loop0: detected capacity change from 0 to 4096 loop0: detected capacity change from 4096 to 4095 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 CPU: 0 UID: 0 PID: 5319 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 fail_dump lib/fault-inject.c:73 [inline] should_fail_ex+0x414/0x560 lib/fault-inject.c:174 should_failslab+0xa8/0x100 mm/failslab.c:46 slab_pre_alloc_hook mm/slub.c:4931 [inline] slab_alloc_node mm/slub.c:5264 [inline] kmem_cache_alloc_noprof+0x74/0x6e0 mm/slub.c:5295 wnd_add_free_ext+0x85e/0xdb0 fs/ntfs3/bitmap.c:338 wnd_set_free+0x4bf/0x5c0 fs/ntfs3/bitmap.c:743 mark_as_free_ex+0x1c8/0x390 fs/ntfs3/fsntfs.c:2495 run_deallocate_ex+0x187/0x2f0 fs/ntfs3/attrib.c:122 attr_punch_hole+0xa84/0x1100 fs/ntfs3/attrib.c:2267 ntfs_fallocate+0xa53/0x10b0 fs/ntfs3/file.c:620 vfs_fallocate+0x669/0x7e0 fs/open.c:342 ksys_fallocate fs/open.c:366 [inline] __do_sys_fallocate fs/open.c:371 [inline] __se_sys_fallocate fs/open.c:369 [inline] __x64_sys_fallocate+0xc0/0x110 fs/open.c:369 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa40658f6c9 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa4074f7038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007fa4067e5fa0 RCX: 00007fa40658f6c9 RDX: 000000000000001f RSI: 0000000000000003 RDI: 0000000000000007 RBP: 00007fa4074f7090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000404042bbe R11: 0000000000000246 R12: 0000000000000002 R13: 00007fa4067e6038 R14: 00007fa4067e5fa0 R15: 00007ffef0bce738 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5319 at fs/ntfs3/bitmap.c:217 rb_insert_start fs/ntfs3/bitmap.c:217 [inline] WARNING: CPU: 0 PID: 5319 at fs/ntfs3/bitmap.c:217 wnd_add_free_ext+0xafd/0xdb0 fs/ntfs3/bitmap.c:352 Modules linked in: CPU: 0 UID: 0 PID: 5319 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:rb_insert_start fs/ntfs3/bitmap.c:217 [inline] RIP: 0010:wnd_add_free_ext+0xafd/0xdb0 fs/ntfs3/bitmap.c:352 Code: 00 00 fc ff df 42 80 3c 28 00 74 08 4c 89 f7 e8 49 51 1c ff 49 89 1e 48 89 df 4c 89 e6 e8 3b af 38 08 eb 18 e8 74 04 b5 fe 90 <0f> 0b 90 49 bd 00 00 00 00 00 fc ff df 4c 8b 7c 24 10 48 8b 44 24 RSP: 0018:ffffc9000f57f7d0 EFLAGS: 00010293 RAX: ffffffff830b0f0c RBX: ffff8880126ad420 RCX: ffff888000b10000 RDX: 0000000000000000 RSI: 0000000000000503 RDI: 0000000000000503 RBP: ffff8880126ad360 R08: ffff88801270bd13 R09: 1ffff110024e17a2 R10: dffffc0000000000 R11: ffffed10024e17a3 R12: ffff888035f0e2d8 R13: ffff8880126ad360 R14: 0000000000000503 R15: 0000000000000503 FS: 00007fa4074f76c0(0000) GS:ffff88808d730000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f484675d000 CR3: 000000003ee86000 CR4: 0000000000352ef0 Call Trace: wnd_zone_set+0xb2/0x160 fs/ntfs3/bitmap.c:1394 mark_as_free_ex+0x308/0x390 fs/ntfs3/fsntfs.c:-1 run_deallocate_ex+0x187/0x2f0 fs/ntfs3/attrib.c:122 attr_punch_hole+0xa84/0x1100 fs/ntfs3/attrib.c:2267 ntfs_fallocate+0xa53/0x10b0 fs/ntfs3/file.c:620 vfs_fallocate+0x669/0x7e0 fs/open.c:342 ksys_fallocate fs/open.c:366 [inline] __do_sys_fallocate fs/open.c:371 [inline] __se_sys_fallocate fs/open.c:369 [inline] __x64_sys_fallocate+0xc0/0x110 fs/open.c:369 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa40658f6c9 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa4074f7038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007fa4067e5fa0 RCX: 00007fa40658f6c9 RDX: 000000000000001f RSI: 0000000000000003 RDI: 0000000000000007 RBP: 00007fa4074f7090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000404042bbe R11: 0000000000000246 R12: 0000000000000002 R13: 00007fa4067e6038 R14: 00007fa4067e5fa0 R15: 00007ffef0bce738