Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 UID: 0 PID: 4067 Comm: syz-executor.6 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) loop2: detected capacity change from 0 to 16383 Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__queue_work+0x202/0x1240 Code: 48 8b 6d 00 e8 4f 9e 79 03 31 ff 41 89 c5 89 c6 e8 93 f3 31 00 45 85 ed 0f 85 e1 05 00 00 e8 55 f8 31 00 48 89 e8 48 c1 e8 03 <42> 80 3c 20 00 0f 85 a0 0e 00 00 4c 8b 75 00 48 89 df 4c 89 34 24 RSP: 0018:ffff8880159cf3f0 EFLAGS: 00010056 RAX: 0000000000000000 RBX: ffff888048868418 RCX: ffffc9000a634000 RDX: 0000000000040000 RSI: ffffffff8141ef2b RDI: 0000000000000005 RBP: 0000000000000001 R08: 0000000000000001 R09: fffffbfff0f11ef4 R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000001 R15: ffff88801c341000 FS: 00007f61fc9e8700(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2cc23000 CR3: 000000000a13a000 CR4: 0000000000350ef0 Call Trace: queue_work_on+0xd0/0xe0 loop_queue_rq+0x5c8/0x1180 __blk_mq_issue_directly+0xd5/0x260 blk_mq_request_issue_directly+0x11c/0x1e0 blk_mq_issue_direct+0x192/0x640 blk_mq_dispatch_queue_requests+0x4b0/0x7c0 blk_mq_flush_plug_list+0x1ec/0x5b0 __blk_flush_plug+0x25c/0x460 __submit_bio+0x480/0x5b0 submit_bio_noacct_nocheck+0x68e/0xcb0 submit_bio_noacct+0x359/0x1350 __bread_gfp+0x18b/0x3c0 fat_fill_super+0x5e1/0x3fd0 get_tree_bdev_flags+0x38a/0x620 vfs_get_tree+0x93/0x340 path_mount+0x132d/0x1dd0 __x64_sys_mount+0x27b/0x300 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f61ff47404a Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 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:00007f61fc9e7fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f61ff47404a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f61fc9e8000 RBP: 00007f61fc9e8040 R08: 00007f61fc9e8040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f61fc9e8000 R15: 0000000020010d00 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__queue_work+0x202/0x1240 Code: 48 8b 6d 00 e8 4f 9e 79 03 31 ff 41 89 c5 89 c6 e8 93 f3 31 00 45 85 ed 0f 85 e1 05 00 00 e8 55 f8 31 00 48 89 e8 48 c1 e8 03 <42> 80 3c 20 00 0f 85 a0 0e 00 00 4c 8b 75 00 48 89 df 4c 89 34 24 kmemleak: Found object by alias at 0x607f1a634b64 CPU: 0 UID: 0 PID: 4075 Comm: syz-executor.3 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) Tainted: [D]=DIE, [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xca/0x120 __lookup_object+0x94/0xb0 delete_object_full+0x27/0x70 free_percpu+0x30/0x1160 futex_hash_free+0x38/0xc0 mmput+0x2d3/0x390 do_exit+0x79d/0x2970 do_group_exit+0xd3/0x2a0 get_signal+0x2315/0x2340 arch_do_signal_or_restart+0x80/0x790 exit_to_user_mode_loop+0x8b/0x110 do_syscall_64+0x2f7/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3b3157cb19 Code: Unable to access opcode bytes at 0x7f3b3157caef. RSP: 002b:00007f3b2eab0218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f3b316900e8 RCX: 00007f3b3157cb19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f3b316900e8 RBP: 00007f3b316900e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3b316900ec R13: 00007ffcedfbd75f R14: 00007f3b2eab0300 R15: 0000000000022000 kmemleak: Object (percpu) 0x607f1a634b60 (size 8): kmemleak: comm "syz-executor.1", pid 4062, jiffies 4294829308 kmemleak: min_count = 1 kmemleak: count = 0 kmemleak: flags = 0x21 kmemleak: checksum = 0 kmemleak: backtrace: pcpu_alloc_noprof+0x87a/0x1170 percpu_ref_init+0x37/0x400 ioctx_alloc+0x368/0x1e10 __x64_sys_io_setup+0xc8/0x1f0 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RSP: 0018:ffff8880159cf3f0 EFLAGS: 00010056 RAX: 0000000000000000 RBX: ffff888048868418 RCX: ffffc9000a634000 RDX: 0000000000040000 RSI: ffffffff8141ef2b RDI: 0000000000000005 RBP: 0000000000000001 R08: 0000000000000001 R09: fffffbfff0f11ef4 R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000001 R15: ffff88801c341000 FS: 00007f61fc9e8700(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2cc23000 CR3: 000000000a13a000 CR4: 0000000000350ef0 note: syz-executor.6[4067] exited with irqs disabled note: syz-executor.6[4067] exited with preempt_count 1 ------------[ cut here ]------------ WARNING: kernel/exit.c:898 at do_exit+0x1c36/0x2970, CPU#1: syz-executor.6/4067 Modules linked in: CPU: 1 UID: 0 PID: 4067 Comm: syz-executor.6 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) Tainted: [D]=DIE, [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:do_exit+0x1c36/0x2970 Code: 96 0a 00 00 c7 43 18 00 00 00 00 e9 21 e6 ff ff e8 bf a4 38 00 bf 02 24 00 00 e8 f5 ab 0b 00 e9 41 ff ff ff e8 ab a4 38 00 90 <0f> 0b 90 e9 87 e4 ff ff e8 9d a4 38 00 4c 89 e6 bf 05 06 00 00 e8 RSP: 0018:ffff8880159cfe40 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 0000000000000200 RCX: ffffc9000a634000 loop4: detected capacity change from 0 to 512 RDX: 0000000000040000 RSI: ffffffff813b42d5 RDI: ffff8880480911e8 RBP: ffff888048090000 R08: 0000000000000001 R09: fffffbfff0f11cd8 R10: 0000000000000200 R11: 0000000000000001 R12: 000000000000000b R13: 0000000000002710 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007f61fc9e8700(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2cc23000 CR3: 000000000a13a000 CR4: 0000000000350ef0 Call Trace: make_task_dead+0x174/0x3b0 rewind_stack_and_make_dead+0x16/0x20 RIP: 0033:0x7f61ff47404a Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 kmemleak: Cannot insert 0x607f1a634b64 into the object search tree (overlaps existing) CPU: 0 UID: 0 PID: 4080 Comm: syz-executor.4 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) Tainted: [D]=DIE, [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xca/0x120 __link_object+0x190/0x210 __create_object+0x48/0x80 pcpu_alloc_noprof+0x87a/0x1170 __percpu_init_rwsem+0x2d/0x160 alloc_super+0x29e/0xb80 sget_fc+0xfe/0xb80 get_tree_bdev_flags+0x1b8/0x620 vfs_get_tree+0x93/0x340 path_mount+0x132d/0x1dd0 __x64_sys_mount+0x27b/0x300 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3c2e93e04a Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 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:00007f3c2be90fa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000040 RCX: 00007f3c2e93e04a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f3c2be91000 RBP: 00007f3c2be91040 R08: 00007f3c2be91040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f3c2be91000 R15: 0000000020000440 kmemleak: Kernel memory leak detector disabled kmemleak: Object (percpu) 0x607f1a634b60 (size 8): kmemleak: comm "syz-executor.1", pid 4062, jiffies 4294829308 kmemleak: min_count = 1 kmemleak: count = 0 kmemleak: flags = 0x21 kmemleak: checksum = 0 kmemleak: backtrace: pcpu_alloc_noprof+0x87a/0x1170 percpu_ref_init+0x37/0x400 ioctx_alloc+0x368/0x1e10 __x64_sys_io_setup+0xc8/0x1f0 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f EXT4-fs (loop4): VFS: Can't find ext4 filesystem RSP: 002b:00007f61fc9e7fa8 EFLAGS: 00000206 loop2: detected capacity change from 0 to 16383 ORIG_RAX: 00000000000000a5 kmemleak: Automatic memory scanning thread ended RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f61ff47404a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f61fc9e8000 RBP: 00007f61fc9e8040 R08: 00007f61fc9e8040 R09: 0000000020000000 kmemleak: Found object by alias at 0x607f1a634b64 CPU: 0 UID: 0 PID: 4079 Comm: syz-executor.3 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) Tainted: [D]=DIE, [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xca/0x120 __lookup_object+0x94/0xb0 delete_object_full+0x27/0x70 free_percpu+0x30/0x1160 futex_hash_free+0x38/0xc0 mmput+0x2d3/0x390 do_exit+0x79d/0x2970 do_group_exit+0xd3/0x2a0 __x64_sys_exit_group+0x3e/0x50 x64_sys_call+0x18c5/0x18d0 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3b3157cb19 Code: Unable to access opcode bytes at 0x7f3b3157caef. RSP: 002b:00007ffcedfbd988 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007f3b3157cb19 RDX: 00007f3b3152f72b RSI: ffffffffffffffbc RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000001b2da2b394 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffcedfbda70 kmemleak: Object (percpu) 0x607f1a634b60 (size 8): kmemleak: comm "syz-executor.1", pid 4062, jiffies 4294829308 kmemleak: min_count = 1 kmemleak: count = 0 kmemleak: flags = 0x21 kmemleak: checksum = 0 kmemleak: backtrace: pcpu_alloc_noprof+0x87a/0x1170 percpu_ref_init+0x37/0x400 ioctx_alloc+0x368/0x1e10 __x64_sys_io_setup+0xc8/0x1f0 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f loop5: detected capacity change from 0 to 1024 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f61fc9e8000 R15: 0000000020010d00 irq event stamp: 774 hardirqs last enabled at (773): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (774): [] _raw_spin_lock_irq+0x42/0x50 softirqs last enabled at (772): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (759): [] __irq_exit_rcu+0xc4/0x100 EXT4-fs warning (device loop5): ext4_multi_mount_protect:292: Invalid MMP block in superblock ---[ end trace 0000000000000000 ]--- BUG: sleeping function called from invalid context at ./include/linux/percpu-rwsem.h:51 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 4067, name: syz-executor.6 preempt_count: 0, expected: 0 RCU nest depth: 2, expected: 0 INFO: lockdep is turned off. CPU: 1 UID: 0 PID: 4067 Comm: syz-executor.6 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) Tainted: [D]=DIE, [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 __might_resched+0x2f3/0x510 exit_signals+0x25/0x940 do_exit+0x2db/0x2970 make_task_dead+0x174/0x3b0 rewind_stack_and_make_dead+0x16/0x20 RIP: 0033:0x7f61ff47404a Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 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:00007f61fc9e7fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f61ff47404a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f61fc9e8000 RBP: 00007f61fc9e8040 R08: 00007f61fc9e8040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f61fc9e8000 R15: 0000000020010d00 loop3: detected capacity change from 0 to 16383 loop4: detected capacity change from 0 to 512 EXT4-fs (loop4): VFS: Can't find ext4 filesystem loop2: detected capacity change from 0 to 16383 ------------[ cut here ]------------ percpu ref (free_ioctx_reqs) <= 0 (0) after switching to atomic WARNING: lib/percpu-refcount.c:197 at percpu_ref_switch_to_atomic_rcu+0x3cc/0x480, CPU#1: syz-executor.4/4076 Modules linked in: CPU: 1 UID: 0 PID: 4076 Comm: syz-executor.4 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) Tainted: [D]=DIE, [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:percpu_ref_switch_to_atomic_rcu+0x3cc/0x480 Code: 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 80 3c 01 00 0f 85 9e 00 00 00 49 8b 75 e8 48 c7 c7 80 97 e2 84 e8 75 c5 e9 fe 90 <0f> 0b 90 90 e9 2b ff ff ff e8 f6 de 5f ff e9 9e fe ff ff e8 7c df RSP: 0018:ffff88806cf08e20 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8139de70 RDX: ffff888048095280 RSI: ffffffff8139de7e RDI: 0000000000000001 RBP: 8000000000000000 R08: 0000000000000001 R09: ffffed100d9e4801 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800ee62780 R13: ffff88800ee627a0 R14: 0000000000000002 R15: 0000000000000003 FS: 0000000000000000(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f27c84c7000 CR3: 000000003e81a000 CR4: 0000000000350ef0 Call Trace: rcu_core+0x7c8/0x1800 handle_softirqs+0x1b1/0x770 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:mas_find+0x3f/0x730 Code: 38 e8 a5 ac bf fc 4c 89 f2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 61 05 00 00 8b 7b 38 <48> c7 c6 e0 57 31 85 48 89 fd e8 02 a8 bf fc 83 fd 05 0f 84 52 01 RSP: 0018:ffff88804802f860 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff88804802fa60 RCX: ffffffff819d1a9d RDX: 1ffff11009005f53 RSI: ffffffff84b43adb RDI: 0000000000000000 RBP: ffff88800eefbb40 R08: 0000000000000000 R09: ffffed1009123ab4 R10: 0000000000000000 R11: 1ffff1100d9e6f7b R12: fffffffffffffffe R13: ffffffffffffffff R14: ffff88804802fa98 R15: ffff88804802f930 unmap_vmas+0x21a/0x430 exit_mmap+0x181/0xaa0 mmput+0xd5/0x390 do_exit+0x79d/0x2970 do_group_exit+0xd3/0x2a0 get_signal+0x2315/0x2340 arch_do_signal_or_restart+0x80/0x790 exit_to_user_mode_loop+0x8b/0x110 do_syscall_64+0x2f7/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3c2e93cb19 Code: Unable to access opcode bytes at 0x7f3c2e93caef. RSP: 002b:00007f3c2beb2218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f3c2ea4ff68 RCX: 00007f3c2e93cb19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f3c2ea4ff68 RBP: 00007f3c2ea4ff60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3c2ea4ff6c R13: 00007ffc0e23b56f R14: 00007f3c2beb2300 R15: 0000000000022000 irq event stamp: 0 hardirqs last enabled at (0): [<0000000000000000>] 0x0 hardirqs last disabled at (0): [] copy_process+0x1e08/0x73c0 softirqs last enabled at (0): [] copy_process+0x1e58/0x73c0 softirqs last disabled at (0): [<0000000000000000>] 0x0 ---[ end trace 0000000000000000 ]--- percpu_ref_switch_to_atomic_rcu: percpu_ref_switch_to_atomic_rcu(): percpu_ref underflow slab kmalloc-64 start ffff88800ee62780 pointer offset 0 size 64 loop4: detected capacity change from 0 to 264192 loop3: detected capacity change from 0 to 264192 ext4: Unknown parameter 'fowner>18446744073709551615' ext4: Unknown parameter 'fowner>18446744073709551615' loop3: detected capacity change from 0 to 42 loop2: detected capacity change from 0 to 16383 loop4: detected capacity change from 0 to 42 tmpfs: Bad value for 'size' tmpfs: Bad value for 'size' FAT-fs (loop2): bogus logical sector size 18641 FAT-fs (loop2): Can't find a valid FAT filesystem BUG: unable to handle page fault for address: ffffed10212c935e #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 7ffd4067 P4D 7ffd4067 PUD 7ffd3067 PMD 0 Oops: Oops: 0000 [#2] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 4106 Comm: syz-executor.7 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) Tainted: [D]=DIE, [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:perf_tp_event+0x175/0xe70 Code: ff df 48 89 85 a8 fd ff ff 48 c1 e8 03 4c 01 e0 48 89 85 c8 fd ff ff e8 c9 51 ea ff 48 8d bb f0 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e c5 0b 00 00 44 8b ab f0 01 RSP: 0018:ffff8880488cf780 EFLAGS: 00010012 RAX: 1ffff110212c935e RBX: ffff888109649900 RCX: ffffc90002df8000 RDX: 0000000000040000 RSI: ffffffff818995b7 RDI: ffff888109649af0 RBP: ffff8880488cf9f0 R08: ffff88806ce31340 R09: ffffe8ffffc11aa0 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000014 R14: ffff88806ce31340 R15: dffffc0000000000 FS: 00007f5580caa700(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed10212c935e CR3: 000000000e094000 CR4: 0000000000350ef0 Call Trace: perf_trace_run_bpf_submit+0xef/0x180 perf_trace_preemptirq_template+0x259/0x430 trace_irq_enable.constprop.0+0xa6/0x100 trace_hardirqs_on+0x26/0x40 _raw_spin_unlock_irqrestore+0x2c/0x50 try_to_wake_up+0x8ae/0x11d0 wake_up_q+0xa1/0x130 futex_wake+0x47e/0x540 do_futex+0x26d/0x370 __x64_sys_futex+0x1c9/0x4d0 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5583734b19 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:00007f5580caa218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f5583847f68 RCX: 00007f5583734b19 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f5583847f6c RBP: 00007f5583847f60 R08: 000000000000000e R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000246 R12: 00007f5583847f6c R13: 00007ffc910d90ef R14: 00007f5580caa300 R15: 0000000000022000 Modules linked in: CR2: ffffed10212c935e ---[ end trace 0000000000000000 ]--- Oops: general protection fault, probably for non-canonical address 0xdffffc0000000032: 0000 [#3] SMP KASAN NOPTI RIP: 0010:__queue_work+0x202/0x1240 KASAN: null-ptr-deref in range [0x0000000000000190-0x0000000000000197] Code: 48 8b 6d 00 e8 4f 9e 79 03 31 ff 41 89 c5 89 c6 e8 93 f3 31 00 45 85 ed 0f 85 e1 05 00 00 e8 55 f8 31 00 48 89 e8 48 c1 e8 03 <42> 80 3c 20 00 0f 85 a0 0e 00 00 4c 8b 75 00 48 89 df 4c 89 34 24 CPU: 1 UID: 0 PID: 4100 Comm: syz-executor.4 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) RSP: 0018:ffff8880159cf3f0 EFLAGS: 00010056 Tainted: [D]=DIE, [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RAX: 0000000000000000 RBX: ffff888048868418 RCX: ffffc9000a634000 RIP: 0010:perf_tp_event+0x175/0xe70 RDX: 0000000000040000 RSI: ffffffff8141ef2b RDI: 0000000000000005 Code: ff df 48 89 85 a8 fd ff ff 48 c1 e8 03 4c 01 e0 48 89 85 c8 fd ff ff e8 c9 51 ea ff 48 8d bb f0 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e c5 0b 00 00 44 8b ab f0 01 RBP: 0000000000000001 R08: 0000000000000001 R09: fffffbfff0f11ef4 RSP: 0018:ffff88801679f780 EFLAGS: 00010012 R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000001 R15: ffff88801c341000 RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002 FS: 00007f5580caa700(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 RDX: ffff888048073700 RSI: ffffffff818995b7 RDI: 0000000000000191 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RBP: ffff88801679f9f0 R08: ffff88806cf31340 R09: ffffe8ffffd11aa0 CR2: ffffed10212c935e CR3: 000000000e094000 CR4: 0000000000350ef0 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 note: syz-executor.7[4106] exited with irqs disabled R13: 0000000000000014 R14: ffff88806cf31340 R15: dffffc0000000000 FS: 0000555591598400(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020003000 CR3: 0000000013faf000 CR4: 0000000000350ef0 Call Trace: perf_trace_run_bpf_submit+0xef/0x180 perf_trace_preemptirq_template+0x259/0x430 trace_irq_enable.constprop.0+0xa6/0x100 trace_hardirqs_on+0x26/0x40 _raw_spin_unlock_irqrestore+0x2c/0x50 try_to_wake_up+0x8ae/0x11d0 wake_up_q+0xa1/0x130 futex_wake+0x47e/0x540 do_futex+0x26d/0x370 __x64_sys_futex+0x1c9/0x4d0 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3c2e93cb19 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:00007ffc0e23b5e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3c2e93cb19 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f3c2ea4ff68 RBP: 00007f3c2ea4ff60 R08: 00007f3c2ea4c100 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3c2ea58930 R13: 00007ffc0e23b6f0 R14: 00007f3c2ea4ff60 R15: 0000000000027d57 Modules linked in: ---[ end trace 0000000000000000 ]--- BUG: unable to handle page fault for address: ffffed10212c935e RIP: 0010:__queue_work+0x202/0x1240 #PF: supervisor read access in kernel mode Code: 48 8b 6d 00 e8 4f 9e 79 03 31 ff 41 89 c5 89 c6 e8 93 f3 31 00 45 85 ed 0f 85 e1 05 00 00 e8 55 f8 31 00 48 89 e8 48 c1 e8 03 <42> 80 3c 20 00 0f 85 a0 0e 00 00 4c 8b 75 00 48 89 df 4c 89 34 24 #PF: error_code(0x0000) - not-present page RSP: 0018:ffff8880159cf3f0 EFLAGS: 00010056 PGD 7ffd4067 P4D 7ffd4067 RAX: 0000000000000000 RBX: ffff888048868418 RCX: ffffc9000a634000 PUD 7ffd3067 RDX: 0000000000040000 RSI: ffffffff8141ef2b RDI: 0000000000000005 PMD 0 RBP: 0000000000000001 R08: 0000000000000001 R09: fffffbfff0f11ef4 R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 Oops: Oops: 0000 [#4] SMP KASAN NOPTI R13: 0000000000000001 R14: 0000000000000001 R15: ffff88801c341000 CPU: 0 UID: 0 PID: 4106 Comm: syz-executor.7 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) FS: 0000555591598400(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000 Tainted: [D]=DIE, [W]=WARN CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 CR2: 0000000020003000 CR3: 0000000013faf000 CR4: 0000000000350ef0 RIP: 0010:perf_tp_event+0x175/0xe70 note: syz-executor.4[4100] exited with irqs disabled Code: ff df 48 89 85 a8 fd ff ff 48 c1 e8 03 4c 01 e0 48 89 85 c8 fd ff ff e8 c9 51 ea ff 48 8d bb f0 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e c5 0b 00 00 44 8b ab f0 01 RSP: 0018:ffff88806ce08b80 EFLAGS: 00010012 RAX: 1ffff110212c935e RBX: ffff888109649900 RCX: 0000000000000002 RDX: ffff88801c130000 RSI: ffffffff818995b7 RDI: ffff888109649af0 RBP: ffff88806ce08df0 R08: ffff88806ce313e8 R09: ffffe8ffffc11aa0 R10: 0000000000000000 R11: ffff88806ce37018 R12: dffffc0000000000 R13: 0000000000000014 R14: ffff88806ce313e8 R15: dffffc0000000000 FS: 00007f5580caa700(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed10212c935e CR3: 000000000e094000 CR4: 0000000000350ef0 Call Trace: perf_trace_run_bpf_submit+0xef/0x180 perf_trace_preemptirq_template+0x259/0x430 trace_irq_enable.constprop.0+0xa6/0x100 trace_hardirqs_on+0x26/0x40 handle_softirqs+0x16e/0x770 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_call_function_single+0xa6/0xc0 asm_sysvec_call_function_single+0x1a/0x20 RIP: 0010:make_task_dead+0xa2/0x3b0 Code: 38 00 85 db 0f 84 21 01 00 00 e8 d9 96 38 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 27 92 38 00 48 85 db 0f 84 17 01 00 00 b9 96 38 00 31 ff 65 8b 1d 60 df 48 06 81 e3 ff ff ff 7f 89 de RSP: 0018:ffff8880488cff28 EFLAGS: 00000246 RAX: 0000000000000001 RBX: ffff88801c130000 RCX: ffffffff817c2b86 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff813b5234 RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff8643ac57 R11: 3030303030302052 R12: ffff88801c130000 R13: 0000000000000009 R14: ffff8880488cf760 R15: 0000000000000000 rewind_stack_and_make_dead+0x16/0x20 RIP: 0033:0x7f5583734b19 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:00007f5580caa218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f5583847f68 RCX: 00007f5583734b19 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f5583847f6c RBP: 00007f5583847f60 R08: 000000000000000e R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000246 R12: 00007f5583847f6c R13: 00007ffc910d90ef R14: 00007f5580caa300 R15: 0000000000022000 Modules linked in: CR2: ffffed10212c935e ---[ end trace 0000000000000000 ]--- Oops: general protection fault, probably for non-canonical address 0xdffffc0000000032: 0000 [#5] SMP KASAN NOPTI RIP: 0010:__queue_work+0x202/0x1240 KASAN: null-ptr-deref in range [0x0000000000000190-0x0000000000000197] Code: 48 8b 6d 00 e8 4f 9e 79 03 31 ff 41 89 c5 89 c6 e8 93 f3 31 00 45 85 ed 0f 85 e1 05 00 00 e8 55 f8 31 00 48 89 e8 48 c1 e8 03 <42> 80 3c 20 00 0f 85 a0 0e 00 00 4c 8b 75 00 48 89 df 4c 89 34 24 CPU: 1 UID: 0 PID: 4100 Comm: syz-executor.4 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) RSP: 0018:ffff8880159cf3f0 EFLAGS: 00010056 Tainted: [D]=DIE, [W]=WARN RAX: 0000000000000000 RBX: ffff888048868418 RCX: ffffc9000a634000 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RDX: 0000000000040000 RSI: ffffffff8141ef2b RDI: 0000000000000005 RIP: 0010:perf_tp_event+0x175/0xe70 RBP: 0000000000000001 R08: 0000000000000001 R09: fffffbfff0f11ef4 Code: ff df 48 89 85 a8 fd ff ff 48 c1 e8 03 4c 01 e0 48 89 85 c8 fd ff ff e8 c9 51 ea ff 48 8d bb f0 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e c5 0b 00 00 44 8b ab f0 01 R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 RSP: 0018:ffff88806cf08b80 EFLAGS: 00010012 R13: 0000000000000001 R14: 0000000000000001 R15: ffff88801c341000 RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002 FS: 00007f5580caa700(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 RDX: ffff888048073700 RSI: ffffffff818995b7 RDI: 0000000000000191 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RBP: ffff88806cf08df0 R08: ffff88806cf313e8 R09: ffffe8ffffd11aa0 CR2: ffffed10212c935e CR3: 000000000e094000 CR4: 0000000000350ef0 R10: 0000000000000000 R11: ffff88801800ac98 R12: dffffc0000000000 ---------------- Code disassembly (best guess): 0: 48 8b 6d 00 mov 0x0(%rbp),%rbp 4: e8 4f 9e 79 03 callq 0x3799e58 9: 31 ff xor %edi,%edi b: 41 89 c5 mov %eax,%r13d e: 89 c6 mov %eax,%esi 10: e8 93 f3 31 00 callq 0x31f3a8 15: 45 85 ed test %r13d,%r13d 18: 0f 85 e1 05 00 00 jne 0x5ff 1e: e8 55 f8 31 00 callq 0x31f878 23: 48 89 e8 mov %rbp,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) <-- trapping instruction 2f: 0f 85 a0 0e 00 00 jne 0xed5 35: 4c 8b 75 00 mov 0x0(%rbp),%r14 39: 48 89 df mov %rbx,%rdi 3c: 4c 89 34 24 mov %r14,(%rsp)