R13: 00007ffff88f06df R14: 00007fad5c176300 R15: 0000000000022000 ------------[ cut here ]------------ FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 WARNING: CPU: 1 PID: 7876 at kernel/cgroup/cgroup.c:1395 cset_cgroup_from_root+0x1a8/0x2a0 kernel/cgroup/cgroup.c:1395 Modules linked in: CPU: 0 PID: 7870 Comm: syz-executor.2 Not tainted 5.10.225 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 CPU: 1 PID: 7876 Comm: syz-executor.6 Not tainted 5.10.225 #1 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x107/0x167 lib/dump_stack.c:118 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 fail_dump lib/fault-inject.c:52 [inline] should_fail.cold+0x5/0xa lib/fault-inject.c:146 RIP: 0010:cset_cgroup_from_root+0x1a8/0x2a0 kernel/cgroup/cgroup.c:1395 Code: 50 08 00 be ff ff ff ff 48 c7 c7 08 3a 02 85 e8 4e ae ad 02 31 ff 41 89 c4 89 c6 e8 d2 49 08 00 45 85 e4 75 07 e8 78 50 08 00 <0f> 0b e8 71 50 08 00 48 89 ea 83 e5 07 48 b8 00 00 00 00 00 fc ff RSP: 0018:ffff88803abc7b20 EFLAGS: 00010012 should_failslab+0x5/0x20 mm/slab_common.c:1193 RAX: 0000000000000759 RBX: ffff88800cf1e400 RCX: ffffc90009857000 RDX: 0000000000040000 RSI: ffffffff81384eb8 RDI: 0000000000000005 slab_pre_alloc_hook mm/slab.h:515 [inline] slab_alloc_node mm/slub.c:2821 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x5b/0x310 mm/slub.c:2909 RBP: ffffffff85676f3c R08: 0000000000000000 R09: 0000000000000003 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 mem_pool_alloc mm/kmemleak.c:423 [inline] create_object.isra.0+0x3a/0xa20 mm/kmemleak.c:578 R13: ffff88800d3e4000 R14: ffff88800cca4800 R15: ffff88800ed4c9c0 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slab.h:534 [inline] slab_alloc_node mm/slub.c:2896 [inline] slab_alloc mm/slub.c:2904 [inline] __kmalloc+0x16e/0x390 mm/slub.c:3967 FS: 00007fa83f182700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 kmalloc_array include/linux/slab.h:592 [inline] kcalloc include/linux/slab.h:603 [inline] alloc_pipe_info+0x1e5/0x590 fs/pipe.c:804 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 splice_direct_to_actor+0x774/0x980 fs/splice.c:828 CR2: 0000001b2d721000 CR3: 000000000e6aa000 CR4: 0000000000350ee0 Call Trace: do_splice_direct+0x1c4/0x290 fs/splice.c:976 do_sendfile+0x553/0x11e0 fs/read_write.c:1257 cgroup_path_ns_locked+0x6c/0x110 kernel/cgroup/cgroup.c:2261 __do_sys_sendfile64 fs/read_write.c:1318 [inline] __se_sys_sendfile64 fs/read_write.c:1304 [inline] __x64_sys_sendfile64+0x1d1/0x210 fs/read_write.c:1304 proc_cpuset_show+0x19a/0x510 kernel/cgroup/cpuset.c:3732 proc_single_show+0x121/0x1f0 fs/proc/base.c:775 traverse.part.0+0xd7/0x620 fs/seq_file.c:111 traverse fs/seq_file.c:101 [inline] seq_read_iter+0x934/0x12b0 fs/seq_file.c:195 seq_read+0x3dd/0x5b0 fs/seq_file.c:162 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fbe22abab19 vfs_read+0x228/0x620 fs/read_write.c:494 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 ksys_pread64 fs/read_write.c:686 [inline] __do_sys_pread64 fs/read_write.c:696 [inline] __se_sys_pread64 fs/read_write.c:693 [inline] __x64_sys_pread64+0x201/0x260 fs/read_write.c:693 RSP: 002b:00007fbe20030188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007fbe22bcdf60 RCX: 00007fbe22abab19 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000005 RBP: 00007fbe200301d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000100000001 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc56b4c92f R14: 00007fbe20030300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fa841c0cb19 CPU: 0 PID: 7871 Comm: syz-executor.4 Not tainted 5.10.225 #1 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 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x107/0x167 lib/dump_stack.c:118 RSP: 002b:00007fa83f182188 EFLAGS: 00000246 ORIG_RAX: 0000000000000011 fail_dump lib/fault-inject.c:52 [inline] should_fail.cold+0x5/0xa lib/fault-inject.c:146 RAX: ffffffffffffffda RBX: 00007fa841d1ff60 RCX: 00007fa841c0cb19 prepare_alloc_pages mm/page_alloc.c:4941 [inline] __alloc_pages_nodemask+0x182/0x600 mm/page_alloc.c:4983 RDX: 0000000000000049 RSI: 0000000020000080 RDI: 0000000000000003 RBP: 00007fa841c66f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000246 R12: 0000000000000000 alloc_pages_current+0x187/0x280 mm/mempolicy.c:2266 R13: 00007ffc747a7c6f R14: 00007fa83f182300 R15: 0000000000022000 alloc_pages include/linux/gfp.h:547 [inline] push_pipe+0x2b5/0x6d0 lib/iov_iter.c:528 __pipe_get_pages lib/iov_iter.c:1273 [inline] pipe_get_pages lib/iov_iter.c:1306 [inline] iov_iter_get_pages+0x6b4/0xf40 lib/iov_iter.c:1317 irq event stamp: 160 hardirqs last enabled at (159): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (159): [] _raw_spin_unlock_irqrestore+0x38/0x40 kernel/locking/spinlock.c:191 __bio_iov_iter_get_pages block/bio.c:1021 [inline] bio_iov_iter_get_pages+0x22a/0x1200 block/bio.c:1129 hardirqs last disabled at (160): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:126 [inline] hardirqs last disabled at (160): [] _raw_spin_lock_irq+0x3e/0x40 kernel/locking/spinlock.c:167 softirqs last enabled at (0): [] copy_process+0x16ed/0x7800 kernel/fork.c:2075 softirqs last disabled at (0): [<0000000000000000>] 0x0 ---[ end trace 4154f30edf6293a4 ]--- FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 iomap_dio_bio_actor+0x77a/0xef0 fs/iomap/direct-io.c:282 iomap_dio_actor+0x36f/0x560 fs/iomap/direct-io.c:389 iomap_apply+0x289/0x810 fs/iomap/apply.c:84 __iomap_dio_rw+0x6cd/0x1110 fs/iomap/direct-io.c:517 iomap_dio_rw+0x31/0x90 fs/iomap/direct-io.c:605 ext4_dio_read_iter fs/ext4/file.c:77 [inline] ext4_file_read_iter fs/ext4/file.c:129 [inline] ext4_file_read_iter+0x2c7/0x4c0 fs/ext4/file.c:114 call_read_iter include/linux/fs.h:1996 [inline] generic_file_splice_read+0x455/0x6d0 fs/splice.c:311 do_splice_to+0x10e/0x160 fs/splice.c:788 splice_direct_to_actor+0x2fe/0x980 fs/splice.c:867 do_splice_direct+0x1c4/0x290 fs/splice.c:976 do_sendfile+0x553/0x11e0 fs/read_write.c:1257 __do_sys_sendfile64 fs/read_write.c:1318 [inline] __se_sys_sendfile64 fs/read_write.c:1304 [inline] __x64_sys_sendfile64+0x1d1/0x210 fs/read_write.c:1304 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fb1ac5e0b19 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:00007fb1a9b56188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007fb1ac6f3f60 RCX: 00007fb1ac5e0b19 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000004 RBP: 00007fb1a9b561d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000100000001 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffdc57c633f R14: 00007fb1a9b56300 R15: 0000000000022000 CPU: 1 PID: 7874 Comm: syz-executor.5 Tainted: G W 5.10.225 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x107/0x167 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:52 [inline] should_fail.cold+0x5/0xa lib/fault-inject.c:146 should_failslab+0x5/0x20 mm/slab_common.c:1193 slab_pre_alloc_hook mm/slab.h:515 [inline] slab_alloc_node mm/slub.c:2821 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc_trace+0x55/0x320 mm/slub.c:2921 kmalloc include/linux/slab.h:552 [inline] kzalloc include/linux/slab.h:664 [inline] alloc_pipe_info+0x10a/0x590 fs/pipe.c:787 splice_direct_to_actor+0x774/0x980 fs/splice.c:828 do_splice_direct+0x1c4/0x290 fs/splice.c:976 do_sendfile+0x553/0x11e0 fs/read_write.c:1257 __do_sys_sendfile64 fs/read_write.c:1318 [inline] __se_sys_sendfile64 fs/read_write.c:1304 [inline] __x64_sys_sendfile64+0x1d1/0x210 fs/read_write.c:1304 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f82add6db19 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:00007f82ab2e3188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f82ade80f60 RCX: 00007f82add6db19 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000005 RBP: 00007f82ab2e31d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000100000001 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffea2effc0f R14: 00007f82ab2e3300 R15: 0000000000022000 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7876 at kernel/cgroup/cgroup.c:1395 cset_cgroup_from_root+0x1a8/0x2a0 kernel/cgroup/cgroup.c:1395 Modules linked in: CPU: 1 PID: 7876 Comm: syz-executor.6 Tainted: G W 5.10.225 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:cset_cgroup_from_root+0x1a8/0x2a0 kernel/cgroup/cgroup.c:1395 Code: 50 08 00 be ff ff ff ff 48 c7 c7 08 3a 02 85 e8 4e ae ad 02 31 ff 41 89 c4 89 c6 e8 d2 49 08 00 45 85 e4 75 07 e8 78 50 08 00 <0f> 0b e8 71 50 08 00 48 89 ea 83 e5 07 48 b8 00 00 00 00 00 fc ff RSP: 0018:ffff88803abc7b20 EFLAGS: 00010012 RAX: 000000000000015f RBX: ffff88800cf1e400 RCX: ffffc90009857000 RDX: 0000000000040000 RSI: ffffffff81384eb8 RDI: 0000000000000005 RBP: ffffffff85676f3c R08: 0000000000000000 R09: 0000000000000003 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff88800d3e4000 R14: ffff88800cca4800 R15: ffff88800ed4c680 FS: 00007fa83f182700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbe2000f718 CR3: 000000000e6aa000 CR4: 0000000000350ee0 Call Trace: cgroup_path_ns_locked+0x6c/0x110 kernel/cgroup/cgroup.c:2261 proc_cpuset_show+0x19a/0x510 kernel/cgroup/cpuset.c:3732 proc_single_show+0x121/0x1f0 fs/proc/base.c:775 traverse.part.0+0xd7/0x620 fs/seq_file.c:111 traverse fs/seq_file.c:101 [inline] seq_read_iter+0x934/0x12b0 fs/seq_file.c:195 seq_read+0x3dd/0x5b0 fs/seq_file.c:162 vfs_read+0x228/0x620 fs/read_write.c:494 ksys_pread64 fs/read_write.c:686 [inline] __do_sys_pread64 fs/read_write.c:696 [inline] __se_sys_pread64 fs/read_write.c:693 [inline] __x64_sys_pread64+0x201/0x260 fs/read_write.c:693 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fa841c0cb19 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:00007fa83f182188 EFLAGS: 00000246 ORIG_RAX: 0000000000000011 RAX: ffffffffffffffda RBX: 00007fa841d1ff60 RCX: 00007fa841c0cb19 RDX: 0000000000000049 RSI: 0000000020000080 RDI: 0000000000000003 RBP: 00007fa841c66f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc747a7c6f R14: 00007fa83f182300 R15: 0000000000022000 irq event stamp: 726 hardirqs last enabled at (725): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (725): [] _raw_spin_unlock_irqrestore+0x38/0x40 kernel/locking/spinlock.c:191 hardirqs last disabled at (726): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:126 [inline] hardirqs last disabled at (726): [] _raw_spin_lock_irq+0x3e/0x40 kernel/locking/spinlock.c:167 softirqs last enabled at (594): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (165): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 4154f30edf6293a5 ]--- FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 7893 Comm: syz-executor.5 Tainted: G W 5.10.225 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x107/0x167 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:52 [inline] should_fail.cold+0x5/0xa lib/fault-inject.c:146 should_failslab+0x5/0x20 mm/slab_common.c:1193 slab_pre_alloc_hook mm/slab.h:515 [inline] slab_alloc_node mm/slub.c:2821 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x5b/0x310 mm/slub.c:2909 mem_pool_alloc mm/kmemleak.c:423 [inline] create_object.isra.0+0x3a/0xa20 mm/kmemleak.c:578 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slab.h:534 [inline] slab_alloc_node mm/slub.c:2896 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc_trace+0x151/0x320 mm/slub.c:2921 kmalloc include/linux/slab.h:552 [inline] kzalloc include/linux/slab.h:664 [inline] alloc_pipe_info+0x10a/0x590 fs/pipe.c:787 splice_direct_to_actor+0x774/0x980 fs/splice.c:828 do_splice_direct+0x1c4/0x290 fs/splice.c:976 do_sendfile+0x553/0x11e0 fs/read_write.c:1257 __do_sys_sendfile64 fs/read_write.c:1318 [inline] __se_sys_sendfile64 fs/read_write.c:1304 [inline] __x64_sys_sendfile64+0x1d1/0x210 fs/read_write.c:1304 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f82add6db19 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:00007f82ab2e3188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f82ade80f60 RCX: 00007f82add6db19 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000005 RBP: 00007f82ab2e31d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000100000001 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffea2effc0f R14: 00007f82ab2e3300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 7920 Comm: syz-executor.2 Tainted: G W 5.10.225 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x107/0x167 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:52 [inline] should_fail.cold+0x5/0xa lib/fault-inject.c:146 should_failslab+0x5/0x20 mm/slab_common.c:1193 slab_pre_alloc_hook mm/slab.h:515 [inline] slab_alloc_node mm/slub.c:2821 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc_trace+0x55/0x320 mm/slub.c:2921 kmalloc include/linux/slab.h:552 [inline] __iomap_dio_rw+0x1ee/0x1110 fs/iomap/direct-io.c:440 iomap_dio_rw+0x31/0x90 fs/iomap/direct-io.c:605 ext4_dio_read_iter fs/ext4/file.c:77 [inline] ext4_file_read_iter fs/ext4/file.c:129 [inline] ext4_file_read_iter+0x2c7/0x4c0 fs/ext4/file.c:114 call_read_iter include/linux/fs.h:1996 [inline] generic_file_splice_read+0x455/0x6d0 fs/splice.c:311 do_splice_to+0x10e/0x160 fs/splice.c:788 splice_direct_to_actor+0x2fe/0x980 fs/splice.c:867 do_splice_direct+0x1c4/0x290 fs/splice.c:976 do_sendfile+0x553/0x11e0 fs/read_write.c:1257 __do_sys_sendfile64 fs/read_write.c:1318 [inline] __se_sys_sendfile64 fs/read_write.c:1304 [inline] __x64_sys_sendfile64+0x1d1/0x210 fs/read_write.c:1304 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fbe22abab19 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:00007fbe20030188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007fbe22bcdf60 RCX: 00007fbe22abab19 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000005 RBP: 00007fbe200301d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000100000001 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc56b4c92f R14: 00007fbe20030300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 7927 Comm: syz-executor.3 Tainted: G W 5.10.225 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x107/0x167 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:52 [inline] should_fail.cold+0x5/0xa lib/fault-inject.c:146 should_failslab+0x5/0x20 mm/slab_common.c:1193 slab_pre_alloc_hook mm/slab.h:515 [inline] slab_alloc_node mm/slub.c:2821 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x5b/0x310 mm/slub.c:2909 mem_pool_alloc mm/kmemleak.c:423 [inline] create_object.isra.0+0x3a/0xa20 mm/kmemleak.c:578 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slab.h:534 [inline] slab_alloc_node mm/slub.c:2896 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x159/0x310 mm/slub.c:2909 bvec_alloc+0x148/0x2f0 block/bio.c:224 bio_alloc_bioset+0x40a/0x600 block/bio.c:506 bio_alloc include/linux/bio.h:402 [inline] iomap_dio_bio_actor+0x518/0xef0 fs/iomap/direct-io.c:274 iomap_dio_actor+0x36f/0x560 fs/iomap/direct-io.c:389 iomap_apply+0x289/0x810 fs/iomap/apply.c:84 __iomap_dio_rw+0x6cd/0x1110 fs/iomap/direct-io.c:517 iomap_dio_rw+0x31/0x90 fs/iomap/direct-io.c:605 ext4_dio_read_iter fs/ext4/file.c:77 [inline] ext4_file_read_iter fs/ext4/file.c:129 [inline] ext4_file_read_iter+0x2c7/0x4c0 fs/ext4/file.c:114 call_read_iter include/linux/fs.h:1996 [inline] generic_file_splice_read+0x455/0x6d0 fs/splice.c:311 do_splice_to+0x10e/0x160 fs/splice.c:788 splice_direct_to_actor+0x2fe/0x980 fs/splice.c:867 do_splice_direct+0x1c4/0x290 fs/splice.c:976 do_sendfile+0x553/0x11e0 fs/read_write.c:1257 __do_sys_sendfile64 fs/read_write.c:1318 [inline] __se_sys_sendfile64 fs/read_write.c:1304 [inline] __x64_sys_sendfile64+0x1d1/0x210 fs/read_write.c:1304 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fad5ec00b19 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:00007fad5c176188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007fad5ed13f60 RCX: 00007fad5ec00b19 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000005 RBP: 00007fad5c1761d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000100000001 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffff88f06df R14: 00007fad5c176300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 7929 Comm: syz-executor.4 Tainted: G W 5.10.225 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x107/0x167 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:52 [inline] should_fail.cold+0x5/0xa lib/fault-inject.c:146 should_failslab+0x5/0x20 mm/slab_common.c:1193 slab_pre_alloc_hook mm/slab.h:515 [inline] slab_alloc_node mm/slub.c:2821 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x5b/0x310 mm/slub.c:2909 mem_pool_alloc mm/kmemleak.c:423 [inline] create_object.isra.0+0x3a/0xa20 mm/kmemleak.c:578 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slab.h:534 [inline] slab_alloc_node mm/slub.c:2896 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x159/0x310 mm/slub.c:2909 mempool_alloc+0x148/0x360 mm/mempool.c:391 bio_alloc_bioset+0x36e/0x600 block/bio.c:486 bio_alloc include/linux/bio.h:402 [inline] iomap_dio_bio_actor+0x518/0xef0 fs/iomap/direct-io.c:274 iomap_dio_actor+0x36f/0x560 fs/iomap/direct-io.c:389 iomap_apply+0x289/0x810 fs/iomap/apply.c:84 __iomap_dio_rw+0x6cd/0x1110 fs/iomap/direct-io.c:517 iomap_dio_rw+0x31/0x90 fs/iomap/direct-io.c:605 ext4_dio_read_iter fs/ext4/file.c:77 [inline] ext4_file_read_iter fs/ext4/file.c:129 [inline] ext4_file_read_iter+0x2c7/0x4c0 fs/ext4/file.c:114 call_read_iter include/linux/fs.h:1996 [inline] generic_file_splice_read+0x455/0x6d0 fs/splice.c:311 do_splice_to+0x10e/0x160 fs/splice.c:788 splice_direct_to_actor+0x2fe/0x980 fs/splice.c:867 do_splice_direct+0x1c4/0x290 fs/splice.c:976 do_sendfile+0x553/0x11e0 fs/read_write.c:1257 __do_sys_sendfile64 fs/read_write.c:1318 [inline] __se_sys_sendfile64 fs/read_write.c:1304 [inline] __x64_sys_sendfile64+0x1d1/0x210 fs/read_write.c:1304 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fb1ac5e0b19 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:00007fb1a9b56188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007fb1ac6f3f60 RCX: 00007fb1ac5e0b19 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000004 RBP: 00007fb1a9b561d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000100000001 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffdc57c633f R14: 00007fb1a9b56300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 7942 Comm: syz-executor.2 Tainted: G W 5.10.225 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x107/0x167 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:52 [inline] should_fail.cold+0x5/0xa lib/fault-inject.c:146 should_failslab+0x5/0x20 mm/slab_common.c:1193 slab_pre_alloc_hook mm/slab.h:515 [inline] slab_alloc_node mm/slub.c:2821 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x5b/0x310 mm/slub.c:2909 mem_pool_alloc mm/kmemleak.c:423 [inline] create_object.isra.0+0x3a/0xa20 mm/kmemleak.c:578 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slab.h:534 [inline] slab_alloc_node mm/slub.c:2896 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x159/0x310 mm/slub.c:2909 mempool_alloc+0x148/0x360 mm/mempool.c:391 bio_alloc_bioset+0x36e/0x600 block/bio.c:486 bio_alloc include/linux/bio.h:402 [inline] iomap_dio_bio_actor+0x518/0xef0 fs/iomap/direct-io.c:274 iomap_dio_actor+0x36f/0x560 fs/iomap/direct-io.c:389 iomap_apply+0x289/0x810 fs/iomap/apply.c:84 __iomap_dio_rw+0x6cd/0x1110 fs/iomap/direct-io.c:517 iomap_dio_rw+0x31/0x90 fs/iomap/direct-io.c:605 ext4_dio_read_iter fs/ext4/file.c:77 [inline] ext4_file_read_iter fs/ext4/file.c:129 [inline] ext4_file_read_iter+0x2c7/0x4c0 fs/ext4/file.c:114 call_read_iter include/linux/fs.h:1996 [inline] generic_file_splice_read+0x455/0x6d0 fs/splice.c:311 do_splice_to+0x10e/0x160 fs/splice.c:788 splice_direct_to_actor+0x2fe/0x980 fs/splice.c:867 do_splice_direct+0x1c4/0x290 fs/splice.c:976 do_sendfile+0x553/0x11e0 fs/read_write.c:1257 __do_sys_sendfile64 fs/read_write.c:1318 [inline] __se_sys_sendfile64 fs/read_write.c:1304 [inline] __x64_sys_sendfile64+0x1d1/0x210 fs/read_write.c:1304 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fbe22abab19 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:00007fbe20030188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007fbe22bcdf60 RCX: 00007fbe22abab19 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000005 RBP: 00007fbe200301d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000100000001 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc56b4c92f R14: 00007fbe20030300 R15: 0000000000022000 ---------------- 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