R13: 0000000020000100 R14: 00000000000a8800 R15: 0000000020011100 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium ====================================================== WARNING: possible circular locking dependency detected 6.12.0-next-20241125 #1 Not tainted FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 ------------------------------------------------------ CPU: 0 UID: 0 PID: 190011 Comm: syz-executor.1 Not tainted 6.12.0-next-20241125 #1 syz-executor.5/190002 is trying to acquire lock: Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 ffff88800b5eb758 Call Trace: dump_stack_lvl+0xfa/0x120 ( should_fail_ex+0x4b1/0x5b0 &q->limits_lock should_failslab+0xc2/0x120 ){+.+.}-{4:4} kmem_cache_alloc_lru_noprof+0x74/0x3c0 , at: loop_reconfigure_limits+0x2b5/0x8d0 but task is already holding lock: ffff88800b5eb118 shmem_alloc_inode+0x27/0x50 ( &q->q_usage_counter(io) alloc_inode+0x63/0x240 #3 new_inode+0x1c/0x190 ){++++}-{0:0} __shmem_get_inode+0x175/0xd90 , at: lo_ioctl+0xb90/0x18f0 __shmem_file_setup+0x170/0x310 which lock already depends on the new lock. __do_sys_memfd_create+0x4d7/0x980 the existing dependency chain (in reverse order) is: -> #6 ( do_syscall_64+0xbf/0x1d0 &q->q_usage_counter(io) entry_SYSCALL_64_after_hwframe+0x77/0x7f #3 RIP: 0033:0x7fb5a9fd7b19 ){++++}-{0:0} Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 : RSP: 002b:00007fb5a754cf48 EFLAGS: 00000246 blk_mq_submit_bio+0x1ecf/0x2580 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fb5a9fd7b19 __submit_bio+0x180/0x490 RDX: 00000000001b6000 RSI: 0000000000000000 RDI: 00007fb5aa0310fb submit_bio_noacct_nocheck+0x641/0xcc0 RBP: 00000000000000d2 R08: 00000000000db000 R09: ffffffffffffffff submit_bio_noacct+0x3b3/0x13a0 R10: 00000000000000d2 R11: 0000000000000246 R12: 0000000008100000 ext4_read_bh_nowait+0x156/0x240 R13: 0000000020000100 R14: 00000000001b6000 R15: 000000002001e300 ext4_read_block_bitmap_nowait+0x126c/0x1e00 ext4_mb_prefetch+0x28d/0x360 ext4_mb_regular_allocator+0x98c/0x3bb0 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium ext4_mb_new_blocks+0x240c/0x45b0 ext4_new_meta_blocks+0x1e5/0x320 ext4_xattr_block_set+0x173a/0x31a0 ext4_xattr_set_handle+0xd48/0x14c0 ext4_xattr_set+0x144/0x350 __vfs_setxattr+0x175/0x1e0 __vfs_setxattr_noperm+0x129/0x670 __vfs_setxattr_locked+0x1d7/0x260 vfs_setxattr+0x143/0x360 do_setxattr+0x147/0x190 filename_setxattr+0x15b/0x1c0 path_setxattrat+0x1ce/0x280 __x64_sys_setxattr+0xc6/0x140 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #5 (&ei->xattr_sem){++++}-{4:4}: down_write+0x92/0x1f0 ext4_xattr_set_handle+0x154/0x14c0 ext4_initxattrs+0xb9/0x120 security_inode_init_security+0x26e/0x390 __ext4_new_inode+0x355b/0x4df0 ext4_create+0x2e3/0x4e0 lookup_open.isra.0+0x1133/0x1550 path_openat+0xc91/0x2980 do_filp_open+0x1e9/0x450 do_sys_openat2+0x164/0x1d0 __x64_sys_openat+0x143/0x200 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #4 (jbd2_handle){++++}-{0:0}: start_this_handle+0xe5a/0x1300 jbd2__journal_start+0x393/0x6b0 __ext4_journal_start_sb+0x183/0x600 ext4_dirty_inode+0xa5/0x130 __mark_inode_dirty+0x1c1/0xd40 generic_update_time+0xcb/0xf0 touch_atime+0x4bb/0x590 ext4_file_mmap+0x1ca/0x250 __mmap_region+0xfa8/0x22b0 mmap_region+0x133/0x300 do_mmap+0xc2c/0x1000 vm_mmap_pgoff+0x1fe/0x390 ksys_mmap_pgoff+0x3d7/0x520 __x64_sys_mmap+0x127/0x190 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #3 (&mm->mmap_lock){++++}-{4:4}: __might_fault+0x110/0x190 _copy_from_user+0x2b/0xd0 __blk_trace_setup+0x96/0x180 blk_trace_setup+0x47/0x70 sg_ioctl+0x69f/0x26b0 __x64_sys_ioctl+0x1a7/0x210 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #2 (&q->debugfs_mutex){+.+.}-{4:4}: __mutex_lock+0x13d/0xac0 blk_mq_init_sched+0x429/0x670 elevator_init_mq+0x2cc/0x410 add_disk_fwnode+0x113/0x1310 sd_probe+0xa82/0xf20 really_probe+0x240/0x820 __driver_probe_device+0x2c4/0x380 driver_probe_device+0x4e/0x2a0 __device_attach_driver+0x1d4/0x390 bus_for_each_drv+0x14c/0x1d0 __device_attach_async_helper+0x1d1/0x260 async_run_entry_fn+0x91/0x290 process_one_work+0x8ee/0x1a00 worker_thread+0x674/0xe70 kthread+0x2c2/0x3a0 ret_from_fork+0x48/0x80 ret_from_fork_asm+0x1a/0x30 -> #1 (&q->q_usage_counter(queue)){++++}-{0:0}: blk_queue_enter+0x4d0/0x600 blk_mq_alloc_request+0x1cd/0x250 scsi_execute_cmd+0x20a/0xe80 read_capacity_16+0x1eb/0xe60 sd_revalidate_disk.isra.0+0x177c/0xa8a0 sd_probe+0x8f9/0xf20 really_probe+0x240/0x820 __driver_probe_device+0x2c4/0x380 driver_probe_device+0x4e/0x2a0 __device_attach_driver+0x1d4/0x390 bus_for_each_drv+0x14c/0x1d0 __device_attach_async_helper+0x1d1/0x260 async_run_entry_fn+0x91/0x290 process_one_work+0x8ee/0x1a00 worker_thread+0x674/0xe70 kthread+0x2c2/0x3a0 ret_from_fork+0x48/0x80 ret_from_fork_asm+0x1a/0x30 -> #0 (&q->limits_lock){+.+.}-{4:4}: __lock_acquire+0x2930/0x4430 lock_acquire.part.0+0xeb/0x320 __mutex_lock+0x13d/0xac0 loop_reconfigure_limits+0x2b5/0x8d0 lo_ioctl+0xb9c/0x18f0 blkdev_ioctl+0x27e/0x6d0 __x64_sys_ioctl+0x1a7/0x210 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f other info that might help us debug this: Chain exists of: &q->limits_lock --> &ei->xattr_sem --> &q->q_usage_counter(io)#3 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&q->q_usage_counter(io)#3); lock(&ei->xattr_sem); lock(&q->q_usage_counter(io)#3); lock(&q->limits_lock); *** DEADLOCK *** 3 locks held by syz-executor.5/190002: #0: ffff88800b584b60 (&lo->lo_mutex){+.+.}-{4:4}, at: lo_ioctl+0x6d5/0x18f0 #1: ffff88800b5eb118 (&q->q_usage_counter(io)#3){++++}-{0:0}, at: lo_ioctl+0xb90/0x18f0 #2: ffff88800b5eb150 (&q->q_usage_counter(queue)#3){+.+.}-{0:0}, at: lo_ioctl+0xb90/0x18f0 stack backtrace: CPU: 1 UID: 0 PID: 190002 Comm: syz-executor.5 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xca/0x120 print_circular_bug+0x53f/0x820 check_noncircular+0x2e9/0x3c0 __lock_acquire+0x2930/0x4430 lock_acquire.part.0+0xeb/0x320 __mutex_lock+0x13d/0xac0 loop_reconfigure_limits+0x2b5/0x8d0 lo_ioctl+0xb9c/0x18f0 blkdev_ioctl+0x27e/0x6d0 __x64_sys_ioctl+0x1a7/0x210 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fddfa723b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fddf7c99188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fddfa836f60 RCX: 00007fddfa723b19 RDX: 0000000000000000 RSI: 0000000000004c09 RDI: 0000000000000003 RBP: 00007fddfa77df6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdc67dbfdf R14: 00007fddf7c99300 R15: 0000000000022000 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium loop1: detected capacity change from 0 to 3504 ISO 9660 Extensions: Microsoft Joliet Level 3 ISOFS: changing to secondary root FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 UID: 0 PID: 190220 Comm: syz-executor.1 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 should_failslab+0xc2/0x120 kmem_cache_alloc_noprof+0x60/0x3d0 security_inode_alloc+0x3e/0x130 inode_init_always_gfp+0xc94/0xff0 alloc_inode+0x89/0x240 new_inode+0x1c/0x190 __shmem_get_inode+0x175/0xd90 __shmem_file_setup+0x170/0x310 __do_sys_memfd_create+0x4d7/0x980 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb5a9fd7b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb5a754cf48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fb5a9fd7b19 RDX: 00000000001b6000 RSI: 0000000000000000 RDI: 00007fb5aa0310fb RBP: 00000000000000d2 R08: 00000000000db000 R09: ffffffffffffffff R10: 00000000000000d2 R11: 0000000000000246 R12: 0000000008100000 R13: 0000000020000100 R14: 00000000001b6000 R15: 000000002001e300 loop1: detected capacity change from 0 to 3504 ISO 9660 Extensions: Microsoft Joliet Level 3 ISOFS: changing to secondary root mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 UID: 0 PID: 190338 Comm: syz-executor.4 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 should_failslab+0xc2/0x120 kmem_cache_alloc_lru_noprof+0x74/0x3c0 __d_alloc+0x31/0x990 d_alloc_pseudo+0x1d/0xc0 alloc_file_pseudo+0xcc/0x200 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 __shmem_file_setup+0x214/0x310 __do_sys_memfd_create+0x4d7/0x980 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb3e2f5db19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb3e04d2f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fb3e2f5db19 RDX: 00000000000a8800 RSI: 0000000000000000 RDI: 00007fb3e2fb70fb RBP: 000000000000000c R08: 0000000000054400 R09: ffffffffffffffff R10: 000000000000000c R11: 0000000000000246 R12: 0000000008100000 R13: 0000000020000100 R14: 00000000000a8800 R15: 0000000020011100 CPU: 0 UID: 0 PID: 190342 Comm: syz-executor.1 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 should_failslab+0xc2/0x120 kmem_cache_alloc_lru_noprof+0x74/0x3c0 __d_alloc+0x31/0x990 d_alloc_pseudo+0x1d/0xc0 alloc_file_pseudo+0xcc/0x200 __shmem_file_setup+0x214/0x310 __do_sys_memfd_create+0x4d7/0x980 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb5a9fd7b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb5a754cf48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fb5a9fd7b19 RDX: 00000000001b6000 RSI: 0000000000000000 RDI: 00007fb5aa0310fb RBP: 00000000000000d2 R08: 00000000000db000 R09: ffffffffffffffff R10: 00000000000000d2 R11: 0000000000000246 R12: 0000000008100000 R13: 0000000020000100 R14: 00000000001b6000 R15: 000000002001e300 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium loop1: detected capacity change from 0 to 3504 ISO 9660 Extensions: Microsoft Joliet Level 3 ISOFS: changing to secondary root mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 UID: 0 PID: 190475 Comm: syz-executor.4 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 should_failslab+0xc2/0x120 kmem_cache_alloc_noprof+0x60/0x3d0 alloc_empty_file+0x76/0x1e0 alloc_file_pseudo+0x139/0x200 __shmem_file_setup+0x214/0x310 __do_sys_memfd_create+0x4d7/0x980 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb3e2f5db19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb3e04d2f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fb3e2f5db19 RDX: 00000000000a8800 RSI: 0000000000000000 RDI: 00007fb3e2fb70fb RBP: 000000000000000c R08: 0000000000054400 R09: ffffffffffffffff R10: 000000000000000c R11: 0000000000000246 R12: 0000000008100000 R13: 0000000020000100 R14: 00000000000a8800 R15: 0000000020011100 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 UID: 0 PID: 190478 Comm: syz-executor.1 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 should_failslab+0xc2/0x120 kmem_cache_alloc_noprof+0x60/0x3d0 alloc_empty_file+0x76/0x1e0 alloc_file_pseudo+0x139/0x200 __shmem_file_setup+0x214/0x310 __do_sys_memfd_create+0x4d7/0x980 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb5a9fd7b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb5a754cf48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fb5a9fd7b19 RDX: 00000000001b6000 RSI: 0000000000000000 RDI: 00007fb5aa0310fb RBP: 00000000000000d2 R08: 00000000000db000 R09: ffffffffffffffff R10: 00000000000000d2 R11: 0000000000000246 R12: 0000000008100000 R13: 0000000020000100 R14: 00000000001b6000 R15: 000000002001e300 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium loop1: detected capacity change from 0 to 3504 ISO 9660 Extensions: Microsoft Joliet Level 3 ISOFS: changing to secondary root mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 UID: 0 PID: 190697 Comm: syz-executor.1 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 should_failslab+0xc2/0x120 kmem_cache_alloc_noprof+0x60/0x3d0 security_file_alloc+0x35/0x130 init_file+0x95/0x490 alloc_empty_file+0x94/0x1e0 alloc_file_pseudo+0x139/0x200 __shmem_file_setup+0x214/0x310 __do_sys_memfd_create+0x4d7/0x980 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb5a9fd7b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb5a754cf48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fb5a9fd7b19 RDX: 00000000001b6000 RSI: 0000000000000000 RDI: 00007fb5aa0310fb RBP: 00000000000000d2 R08: 00000000000db000 R09: ffffffffffffffff R10: 00000000000000d2 R11: 0000000000000246 R12: 0000000008100000 R13: 0000000020000100 R14: 00000000001b6000 R15: 000000002001e300 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 UID: 0 PID: 190702 Comm: syz-executor.4 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 should_failslab+0xc2/0x120 kmem_cache_alloc_noprof+0x60/0x3d0 security_file_alloc+0x35/0x130 init_file+0x95/0x490 alloc_empty_file+0x94/0x1e0 alloc_file_pseudo+0x139/0x200 __shmem_file_setup+0x214/0x310 __do_sys_memfd_create+0x4d7/0x980 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb3e2f5db19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb3e04d2f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fb3e2f5db19 RDX: 00000000000a8800 RSI: 0000000000000000 RDI: 00007fb3e2fb70fb RBP: 000000000000000c R08: 0000000000054400 R09: ffffffffffffffff R10: 000000000000000c R11: 0000000000000246 R12: 0000000008100000 R13: 0000000020000100 R14: 00000000000a8800 R15: 0000000020011100 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium loop1: detected capacity change from 0 to 3504 ISO 9660 Extensions: Microsoft Joliet Level 3 ISOFS: changing to secondary root mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 1 CPU: 0 UID: 0 PID: 190933 Comm: syz-executor.4 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 should_fail_alloc_page+0xe0/0x110 prepare_alloc_pages+0x178/0x500 __alloc_pages_noprof+0x180/0x1f90 alloc_pages_mpol_noprof+0xf2/0x330 folio_alloc_mpol_noprof+0x38/0x90 shmem_alloc_folio+0x11b/0x140 shmem_get_folio_gfp.constprop.0+0x4eb/0x13a0 shmem_write_begin+0x148/0x2e0 generic_perform_write+0x284/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb3e2f10ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fb3e04d2f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb3e2fa7970 RCX: 00007fb3e2f10ab7 RDX: 00000000000000e0 RSI: 0000000020010000 RDI: 0000000000000004 RBP: 000000000000000c R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 0 UID: 0 PID: 190940 Comm: syz-executor.1 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 should_fail_alloc_page+0xe0/0x110 prepare_alloc_pages+0x178/0x500 __alloc_pages_noprof+0x180/0x1f90 alloc_pages_mpol_noprof+0xf2/0x330 folio_alloc_mpol_noprof+0x38/0x90 shmem_alloc_folio+0x11b/0x140 shmem_get_folio_gfp.constprop.0+0x4eb/0x13a0 shmem_write_begin+0x148/0x2e0 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium generic_perform_write+0x284/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb5a9f8aab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fb5a754cf20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb5aa021970 RCX: 00007fb5a9f8aab7 RDX: 0000000000000580 RSI: 0000000020010000 RDI: 0000000000000004 RBP: 00000000000000d2 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000008000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000 loop1: detected capacity change from 0 to 3504 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium ISO 9660 Extensions: Microsoft Joliet Level 3 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 UID: 0 PID: 191153 Comm: syz-executor.4 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 copy_page_from_iter_atomic+0x26f/0x15e0 generic_perform_write+0x423/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb3e2f10ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fb3e04d2f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb3e2fa7970 RCX: 00007fb3e2f10ab7 RDX: 00000000000000e0 RSI: 0000000020010000 RDI: 0000000000000004 RBP: 000000000000000c R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000 loop1: detected capacity change from 0 to 3504 ISO 9660 Extensions: Microsoft Joliet Level 3 ISOFS: changing to secondary root mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 UID: 0 PID: 191374 Comm: syz-executor.4 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 copy_page_from_iter_atomic+0x26f/0x15e0 generic_perform_write+0x423/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb3e2f10ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fb3e04d2f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb3e2fa7970 RCX: 00007fb3e2f10ab7 RDX: 0000000000000040 RSI: 0000000020010100 RDI: 0000000000000004 RBP: 000000000000000c R08: 0000000000000000 R09: ffffffffffffffff R10: 00000000000001e0 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium loop1: detected capacity change from 0 to 3504 ISO 9660 Extensions: Microsoft Joliet Level 3 ISOFS: changing to secondary root mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 UID: 0 PID: 191691 Comm: syz-executor.1 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 copy_page_from_iter_atomic+0x26f/0x15e0 generic_perform_write+0x423/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb5a9f8aab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fb5a754cf20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb5aa021970 RCX: 00007fb5a9f8aab7 RDX: 0000000000000580 RSI: 0000000020010000 RDI: 0000000000000004 RBP: 00000000000000d2 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000008000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000 loop1: detected capacity change from 0 to 3504 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 UID: 0 PID: 191696 Comm: syz-executor.4 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 copy_page_from_iter_atomic+0x26f/0x15e0 generic_perform_write+0x423/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb3e2f10ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fb3e04d2f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb3e2fa7970 RCX: 00007fb3e2f10ab7 RDX: 0000000000000020 RSI: 0000000020010200 RDI: 0000000000000004 RBP: 000000000000000c R08: 0000000000000000 R09: ffffffffffffffff R10: 00000000000003e0 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000230 R15: 0000000000000002 ISO 9660 Extensions: Microsoft Joliet Level 3 ISOFS: changing to secondary root mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 UID: 0 PID: 191821 Comm: syz-executor.1 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 copy_page_from_iter_atomic+0x26f/0x15e0 generic_perform_write+0x423/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb5a9f8aab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium RSP: 002b:00007fb5a754cf20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb5aa021970 RCX: 00007fb5a9f8aab7 RDX: 0000000000000580 RSI: 0000000020010600 RDI: 0000000000000004 RBP: 00000000000000d2 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000008800 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 UID: 0 PID: 191823 Comm: syz-executor.4 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 copy_page_from_iter_atomic+0x26f/0x15e0 generic_perform_write+0x423/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb3e2f10ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fb3e04d2f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb3e2fa7970 RCX: 00007fb3e2f10ab7 RDX: 00000000000000e0 RSI: 0000000020010300 RDI: 0000000000000004 RBP: 000000000000000c R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000000c00 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000248 R15: 0000000000000003 loop1: detected capacity change from 0 to 3504 ISO 9660 Extensions: Microsoft Joliet Level 3 ISOFS: changing to secondary root mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 0 UID: 0 PID: 191931 Comm: syz-executor.1 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 should_fail_alloc_page+0xe0/0x110 prepare_alloc_pages+0x178/0x500 __alloc_pages_noprof+0x180/0x1f90 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 alloc_pages_mpol_noprof+0xf2/0x330 folio_alloc_mpol_noprof+0x38/0x90 shmem_alloc_folio+0x11b/0x140 shmem_get_folio_gfp.constprop.0+0x4eb/0x13a0 shmem_write_begin+0x148/0x2e0 generic_perform_write+0x284/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb5a9f8aab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fb5a754cf20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb5aa021970 RCX: 00007fb5a9f8aab7 RDX: 0000000000000020 RSI: 0000000020010c00 RDI: 0000000000000004 RBP: 00000000000000d2 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000009000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000230 R15: 0000000000000002 CPU: 1 UID: 0 PID: 191933 Comm: syz-executor.4 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 copy_page_from_iter_atomic+0x26f/0x15e0 generic_perform_write+0x423/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb3e2f10ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fb3e04d2f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb3e2fa7970 RCX: 00007fb3e2f10ab7 RDX: 0000000000000020 RSI: 0000000020010400 RDI: 0000000000000004 RBP: 000000000000000c R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000000de0 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 loop1: detected capacity change from 0 to 3504 ISO 9660 Extensions: Microsoft Joliet Level 3 ISOFS: changing to secondary root mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 UID: 0 PID: 191940 Comm: syz-executor.1 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 copy_page_from_iter_atomic+0x26f/0x15e0 generic_perform_write+0x423/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb5a9f8aab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fb5a754cf20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb5aa021970 RCX: 00007fb5a9f8aab7 RDX: 0000000000000020 RSI: 0000000020010c00 RDI: 0000000000000004 RBP: 00000000000000d2 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000009000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000230 R15: 0000000000000002 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 0 UID: 0 PID: 191957 Comm: syz-executor.4 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 should_fail_alloc_page+0xe0/0x110 prepare_alloc_pages+0x178/0x500 __alloc_pages_noprof+0x180/0x1f90 loop1: detected capacity change from 0 to 3504 ISO 9660 Extensions: Microsoft Joliet Level 3 alloc_pages_mpol_noprof+0xf2/0x330 folio_alloc_mpol_noprof+0x38/0x90 shmem_alloc_folio+0x11b/0x140 shmem_get_folio_gfp.constprop.0+0x4eb/0x13a0 shmem_write_begin+0x148/0x2e0 generic_perform_write+0x284/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb3e2f10ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fb3e04d2f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb3e2fa7970 RCX: 00007fb3e2f10ab7 RDX: 0000000000000020 RSI: 0000000020010500 RDI: 0000000000000004 RBP: 000000000000000c R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000004000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000278 R15: 0000000000000005 ISOFS: changing to secondary root mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 UID: 0 PID: 192248 Comm: syz-executor.1 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 copy_page_from_iter_atomic+0x26f/0x15e0 generic_perform_write+0x423/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb5a9f8aab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fb5a754cf20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb5aa021970 RCX: 00007fb5a9f8aab7 RDX: 0000000000000020 RSI: 0000000020010d00 RDI: 0000000000000004 RBP: 00000000000000d2 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000009800 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000248 R15: 0000000000000003 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium loop1: detected capacity change from 0 to 3504 ISO 9660 Extensions: Microsoft Joliet Level 3 ISOFS: changing to secondary root mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 1 UID: 0 PID: 192265 Comm: syz-executor.1 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 should_fail_alloc_page+0xe0/0x110 prepare_alloc_pages+0x178/0x500 __alloc_pages_noprof+0x180/0x1f90 alloc_pages_mpol_noprof+0xf2/0x330 folio_alloc_mpol_noprof+0x38/0x90 shmem_alloc_folio+0x11b/0x140 shmem_get_folio_gfp.constprop.0+0x4eb/0x13a0 shmem_write_begin+0x148/0x2e0 generic_perform_write+0x284/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb5a9f8aab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fb5a754cf20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb5aa021970 RCX: 00007fb5a9f8aab7 RDX: 0000000000000020 RSI: 0000000020010e00 RDI: 0000000000000004 RBP: 00000000000000d2 R08: 0000000000000000 R09: ffffffffffffffff R10: 000000000000a000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 loop1: detected capacity change from 0 to 3504 ISO 9660 Extensions: Microsoft Joliet Level 3 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium ISOFS: changing to secondary root mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 UID: 0 PID: 192399 Comm: syz-executor.4 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 copy_page_from_iter_atomic+0x26f/0x15e0 generic_perform_write+0x423/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb3e2f10ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium RSP: 002b:00007fb3e04d2f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb3e2fa7970 RCX: 00007fb3e2f10ab7 RDX: 0000000000000020 RSI: 0000000020010500 RDI: 0000000000000004 RBP: 000000000000000c R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000004000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000278 R15: 0000000000000005 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 UID: 0 PID: 192400 Comm: syz-executor.1 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 copy_page_from_iter_atomic+0x26f/0x15e0 generic_perform_write+0x423/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb5a9f8aab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fb5a754cf20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb5aa021970 RCX: 00007fb5a9f8aab7 RDX: 0000000000000020 RSI: 0000000020010e00 RDI: 0000000000000004 RBP: 00000000000000d2 R08: 0000000000000000 R09: ffffffffffffffff R10: 000000000000a000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium loop1: detected capacity change from 0 to 3504 ISO 9660 Extensions: Microsoft Joliet Level 3 ISOFS: changing to secondary root mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 UID: 0 PID: 192608 Comm: syz-executor.4 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 copy_page_from_iter_atomic+0x26f/0x15e0 generic_perform_write+0x423/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb3e2f10ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fb3e04d2f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb3e2fa7970 RCX: 00007fb3e2f10ab7 RDX: 0000000000000020 RSI: 0000000020010600 RDI: 0000000000000004 RBP: 000000000000000c R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000004200 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000290 R15: 0000000000000006 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 UID: 0 PID: 192612 Comm: syz-executor.1 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 copy_page_from_iter_atomic+0x26f/0x15e0 generic_perform_write+0x423/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb5a9f8aab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fb5a754cf20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb5aa021970 RCX: 00007fb5a9f8aab7 RDX: 0000000000000020 RSI: 0000000020010f00 RDI: 0000000000000004 RBP: 00000000000000d2 R08: 0000000000000000 R09: ffffffffffffffff R10: 000000000000a800 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000278 R15: 0000000000000005 loop1: detected capacity change from 0 to 3504 ISO 9660 Extensions: Microsoft Joliet Level 3 ISOFS: changing to secondary root mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 0 UID: 0 PID: 192729 Comm: syz-executor.1 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 should_fail_alloc_page+0xe0/0x110 prepare_alloc_pages+0x178/0x500 __alloc_pages_noprof+0x180/0x1f90 alloc_pages_mpol_noprof+0xf2/0x330 folio_alloc_mpol_noprof+0x38/0x90 shmem_alloc_folio+0x11b/0x140 shmem_get_folio_gfp.constprop.0+0x4eb/0x13a0 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 shmem_write_begin+0x148/0x2e0 generic_perform_write+0x284/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb5a9f8aab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fb5a754cf20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb5aa021970 RCX: 00007fb5a9f8aab7 RDX: 0000000000000060 RSI: 0000000020011000 RDI: 0000000000000004 RBP: 00000000000000d2 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000010000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000290 R15: 0000000000000006 CPU: 1 UID: 0 PID: 192730 Comm: syz-executor.4 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 copy_page_from_iter_atomic+0x26f/0x15e0 generic_perform_write+0x423/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb3e2f10ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fb3e04d2f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb3e2fa7970 RCX: 00007fb3e2f10ab7 RDX: 0000000000000120 RSI: 0000000020010700 RDI: 0000000000000004 RBP: 000000000000000c R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000004400 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200002a8 R15: 0000000000000007 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium loop1: detected capacity change from 0 to 3504 ISO 9660 Extensions: Microsoft Joliet Level 3 ISOFS: changing to secondary root mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 UID: 0 PID: 192847 Comm: syz-executor.1 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 copy_page_from_iter_atomic+0x26f/0x15e0 generic_perform_write+0x423/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb5a9f8aab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fb5a754cf20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb5aa021970 RCX: 00007fb5a9f8aab7 RDX: 0000000000000060 RSI: 0000000020011000 RDI: 0000000000000004 RBP: 00000000000000d2 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000010000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000290 R15: 0000000000000006 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 0 UID: 0 PID: 192848 Comm: syz-executor.4 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 should_fail_alloc_page+0xe0/0x110 prepare_alloc_pages+0x178/0x500 __alloc_pages_noprof+0x180/0x1f90 alloc_pages_mpol_noprof+0xf2/0x330 folio_alloc_mpol_noprof+0x38/0x90 shmem_alloc_folio+0x11b/0x140 shmem_get_folio_gfp.constprop.0+0x4eb/0x13a0 shmem_write_begin+0x148/0x2e0 generic_perform_write+0x284/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb3e2f10ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fb3e04d2f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb3e2fa7970 RCX: 00007fb3e2f10ab7 RDX: 0000000000000080 RSI: 0000000020010900 RDI: 0000000000000004 RBP: 000000000000000c R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000014400 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200002c0 R15: 0000000000000008 loop1: detected capacity change from 0 to 3504 ISO 9660 Extensions: Microsoft Joliet Level 3 ISOFS: changing to secondary root mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 1 UID: 0 PID: 192967 Comm: syz-executor.1 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 should_fail_alloc_page+0xe0/0x110 prepare_alloc_pages+0x178/0x500 __alloc_pages_noprof+0x180/0x1f90 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 alloc_pages_mpol_noprof+0xf2/0x330 folio_alloc_mpol_noprof+0x38/0x90 shmem_alloc_folio+0x11b/0x140 shmem_get_folio_gfp.constprop.0+0x4eb/0x13a0 shmem_write_begin+0x148/0x2e0 generic_perform_write+0x284/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb5a9f8aab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fb5a754cf20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb5aa021970 RCX: 00007fb5a9f8aab7 RDX: 0000000000000060 RSI: 0000000020011000 RDI: 0000000000000004 RBP: 00000000000000d2 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000010000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000290 R15: 0000000000000006 CPU: 0 UID: 0 PID: 192971 Comm: syz-executor.4 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 copy_page_from_iter_atomic+0x26f/0x15e0 generic_perform_write+0x423/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb3e2f10ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fb3e04d2f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb3e2fa7970 RCX: 00007fb3e2f10ab7 RDX: 0000000000000080 RSI: 0000000020010900 RDI: 0000000000000004 RBP: 000000000000000c R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000014400 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200002c0 R15: 0000000000000008 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium loop1: detected capacity change from 0 to 3504 ISO 9660 Extensions: Microsoft Joliet Level 3 ISOFS: changing to secondary root mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium tmpfs: Bad value for 'mpol' tmpfs: Bad value for 'mpol' mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 UID: 0 PID: 193090 Comm: syz-executor.1 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 copy_page_from_iter_atomic+0x26f/0x15e0 generic_perform_write+0x423/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb5a9f8aab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fb5a754cf20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb5aa021970 RCX: 00007fb5a9f8aab7 RDX: 0000000000000040 RSI: 0000000020011200 RDI: 0000000000000004 RBP: 00000000000000d2 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000010160 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200002c0 R15: 0000000000000008 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 0 UID: 0 PID: 193096 Comm: syz-executor.4 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 should_fail_alloc_page+0xe0/0x110 prepare_alloc_pages+0x178/0x500 __alloc_pages_noprof+0x180/0x1f90 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium alloc_pages_mpol_noprof+0xf2/0x330 folio_alloc_mpol_noprof+0x38/0x90 shmem_alloc_folio+0x11b/0x140 shmem_get_folio_gfp.constprop.0+0x4eb/0x13a0 shmem_write_begin+0x148/0x2e0 generic_perform_write+0x284/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb3e2f10ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fb3e04d2f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb3e2fa7970 RCX: 00007fb3e2f10ab7 RDX: 0000000000000420 RSI: 0000000020010a00 RDI: 0000000000000004 RBP: 000000000000000c R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000024400 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200002d8 R15: 0000000000000009 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium loop1: detected capacity change from 0 to 3504 ISO 9660 Extensions: Microsoft Joliet Level 3 ISOFS: changing to secondary root EXT4-fs: EXT4-fs: inode_readahead_blks must be 0 or a power of 2 smaller than 2^31 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 UID: 0 PID: 193292 Comm: syz-executor.4 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 copy_page_from_iter_atomic+0x26f/0x15e0 generic_perform_write+0x423/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb3e2f10ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fb3e04d2f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb3e2fa7970 RCX: 00007fb3e2f10ab7 RDX: 0000000000000420 RSI: 0000000020010a00 RDI: 0000000000000004 RBP: 000000000000000c R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000024400 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200002d8 R15: 0000000000000009 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium netlink: 76 bytes leftover after parsing attributes in process `syz-executor.5'. mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 1 UID: 0 PID: 193414 Comm: syz-executor.4 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 should_fail_alloc_page+0xe0/0x110 prepare_alloc_pages+0x178/0x500 __alloc_pages_noprof+0x180/0x1f90 alloc_pages_mpol_noprof+0xf2/0x330 folio_alloc_mpol_noprof+0x38/0x90 shmem_alloc_folio+0x11b/0x140 shmem_get_folio_gfp.constprop.0+0x4eb/0x13a0 shmem_write_begin+0x148/0x2e0 generic_perform_write+0x284/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb3e2f10ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fb3e04d2f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb3e2fa7970 RCX: 00007fb3e2f10ab7 RDX: 0000000000000020 RSI: 0000000020010f00 RDI: 0000000000000004 RBP: 000000000000000c R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000034400 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200002f0 R15: 000000000000000a EXT4-fs: EXT4-fs: inode_readahead_blks must be 0 or a power of 2 smaller than 2^31 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 UID: 0 PID: 193419 Comm: syz-executor.1 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 copy_page_from_iter_atomic+0x26f/0x15e0 generic_perform_write+0x423/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb5a9f8aab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fb5a754cf20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb5aa021970 RCX: 00007fb5a9f8aab7 RDX: 0000000000000080 RSI: 0000000020011300 RDI: 0000000000000004 RBP: 00000000000000d2 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000010800 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200002d8 R15: 0000000000000009 loop1: detected capacity change from 0 to 3504 ISO 9660 Extensions: Microsoft Joliet Level 3 ISOFS: changing to secondary root EXT4-fs: EXT4-fs: inode_readahead_blks must be 0 or a power of 2 smaller than 2^31 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 UID: 0 PID: 193442 Comm: syz-executor.1 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 copy_page_from_iter_atomic+0x26f/0x15e0 generic_perform_write+0x423/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb5a9f8aab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fb5a754cf20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb5aa021970 RCX: 00007fb5a9f8aab7 RDX: 0000000000000020 RSI: 0000000020011400 RDI: 0000000000000004 RBP: 00000000000000d2 R08: 0000000000000000 R09: ffffffffffffffff mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium R10: 00000000000108e0 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200002f0 R15: 000000000000000a mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 UID: 0 PID: 193431 Comm: syz-executor.4 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 copy_page_from_iter_atomic+0x26f/0x15e0 generic_perform_write+0x423/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb3e2f10ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fb3e04d2f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb3e2fa7970 RCX: 00007fb3e2f10ab7 RDX: 0000000000000020 RSI: 0000000020010f00 RDI: 0000000000000004 RBP: 000000000000000c R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000034400 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200002f0 R15: 000000000000000a EXT4-fs: EXT4-fs: inode_readahead_blks must be 0 or a power of 2 smaller than 2^31 EXT4-fs: EXT4-fs: inode_readahead_blks must be 0 or a power of 2 smaller than 2^31 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 UID: 0 PID: 193454 Comm: syz-executor.1 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 copy_page_from_iter_atomic+0x26f/0x15e0 generic_perform_write+0x423/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb5a9f8aab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fb5a754cf20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb5aa021970 RCX: 00007fb5a9f8aab7 RDX: 0000000000000020 RSI: 0000000020011500 RDI: 0000000000000004 RBP: 00000000000000d2 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000010960 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000308 R15: 000000000000000b EXT4-fs: EXT4-fs: inode_readahead_blks must be 0 or a power of 2 smaller than 2^31 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 0 UID: 0 PID: 193540 Comm: syz-executor.1 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4b1/0x5b0 should_fail_alloc_page+0xe0/0x110 prepare_alloc_pages+0x178/0x500 __alloc_pages_noprof+0x180/0x1f90 alloc_pages_mpol_noprof+0xf2/0x330 folio_alloc_mpol_noprof+0x38/0x90 shmem_alloc_folio+0x11b/0x140 shmem_get_folio_gfp.constprop.0+0x4eb/0x13a0 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium shmem_write_begin+0x148/0x2e0 generic_perform_write+0x284/0x7e0 shmem_file_write_iter+0x111/0x140 vfs_write+0xbdb/0x10a0 __x64_sys_pwrite64+0x1fc/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb5a9f8aab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fb5a754cf20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fb5aa021970 RCX: 00007fb5a9f8aab7 RDX: 0000000000000020 RSI: 0000000020011600 RDI: 0000000000000004 RBP: 00000000000000d2 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000011000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000320 R15: 000000000000000c mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium loop1: detected capacity change from 0 to 3504 ISO 9660 Extensions: Microsoft Joliet Level 3 ISOFS: changing to secondary root ---------------- Code disassembly (best guess), 1 bytes skipped: 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1) 9: 00 00 00 c: 0f 1f 40 00 nopl 0x0(%rax) 10: 48 89 f8 mov %rdi,%rax 13: 48 89 f7 mov %rsi,%rdi 16: 48 89 d6 mov %rdx,%rsi 19: 48 89 ca mov %rcx,%rdx 1c: 4d 89 c2 mov %r8,%r10 1f: 4d 89 c8 mov %r9,%r8 22: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 27: 0f 05 syscall * 29: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 2f: 73 01 jae 0x32 31: c3 retq 32: 48 c7 c1 bc ff ff ff mov $0xffffffffffffffbc,%rcx 39: f7 d8 neg %eax 3b: 64 89 01 mov %eax,%fs:(%rcx) 3e: 48 rex.W