R13: 00007f197a30c5fc R14: 00000000000253e7 R15: 00007ffe939a8800
---[ end trace bc98d15540c72252 ]---
list_del corruption. prev->next should be ffff88811c3f1800, but was ffff888110f18a20
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:61!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 792 Comm: syz-executor Tainted: G        W         5.10.226-syzkaller-00001-g6a01908517df #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59
Code: 4c 89 f6 e8 9c 27 56 02 0f 0b 48 c7 c7 80 29 60 85 4c 89 f6 e8 8b 27 56 02 0f 0b 48 c7 c7 e0 29 60 85 4c 89 f6 e8 7a 27 56 02 <0f> 0b 48 c7 c7 40 2a 60 85 4c 89 f6 e8 69 27 56 02 0f 0b cc 55 48
RSP: 0018:ffffc90000da7998 EFLAGS: 00010246
RAX: 0000000000000054 RBX: ffff888110f18a20 RCX: 33b1170684f9b100
RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000
RBP: ffffc90000da79b8 R08: ffffffff81522098 R09: fffff520001b4e4d
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88811c3f17c8 R14: ffff88811c3f1800 R15: ffff888110f3d4e0
FS:  000055555a6a0500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5bd847efe0 CR3: 000000011e1a7000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __list_del_entry include/linux/list.h:132 [inline]
 dentry_unlist fs/dcache.c:526 [inline]
 __dentry_kill+0x250/0x650 fs/dcache.c:579
 dentry_kill+0xc0/0x2a0
 dput+0x40/0x80 fs/dcache.c:883
 path_put+0x39/0x60 fs/namei.c:499
 dentry_release+0x52/0xb0 fs/incfs/vfs.c:1591
 __dentry_kill+0x4ad/0x650 fs/dcache.c:588
 shrink_dentry_list+0x38a/0x4e0 fs/dcache.c:1146
 shrink_dcache_parent+0xc9/0x340
 do_one_tree+0x28/0x4a0 fs/dcache.c:1627
 shrink_dcache_for_umount+0x7d/0x120 fs/dcache.c:1644
 generic_shutdown_super+0x69/0x2d0 fs/super.c:447
 kill_anon_super+0x3d/0x70 fs/super.c:1129
 incfs_kill_sb+0x4f/0x220 fs/incfs/vfs.c:1965
 deactivate_locked_super+0xad/0x110 fs/super.c:335
 deactivate_super+0xbe/0xf0 fs/super.c:366
 cleanup_mnt+0x45c/0x510 fs/namespace.c:1118
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1125
 task_work_run+0x129/0x190 kernel/task_work.c:189
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_user_mode_loop+0xbf/0xd0 kernel/entry/common.c:172
 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
 syscall_exit_to_user_mode+0xa2/0x1a0 kernel/entry/common.c:274
 do_syscall_64+0x40/0x70 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f197a29aa87
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffe939a7688 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f197a29aa87
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe939a7740
RBP: 00007ffe939a7740 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe939a87c0
R13: 00007f197a30c5fc R14: 00000000000253e7 R15: 00007ffe939a8800
Modules linked in:
---[ end trace bc98d15540c72253 ]---
RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59
Code: 4c 89 f6 e8 9c 27 56 02 0f 0b 48 c7 c7 80 29 60 85 4c 89 f6 e8 8b 27 56 02 0f 0b 48 c7 c7 e0 29 60 85 4c 89 f6 e8 7a 27 56 02 <0f> 0b 48 c7 c7 40 2a 60 85 4c 89 f6 e8 69 27 56 02 0f 0b cc 55 48
RSP: 0018:ffffc90000da7998 EFLAGS: 00010246
RAX: 0000000000000054 RBX: ffff888110f18a20 RCX: 33b1170684f9b100
RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000
RBP: ffffc90000da79b8 R08: ffffffff81522098 R09: fffff520001b4e4d
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88811c3f17c8 R14: ffff88811c3f1800 R15: ffff888110f3d4e0
FS:  000055555a6a0500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5bd847efe0 CR3: 000000011e1a7000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400