RBP: 00007fd77fe00f90 R08: 00000000000106c0 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000207 R12: 00007fffa6ae2ec0
R13: 00007fd77fe00f90 R14: 0000000000009fdc R15: 00007fffa6ae3f90
---[ end trace 1b75160ba2a32975 ]---
list_del corruption. prev->next should be ffff88811a9d04d0, but was ffff88811a8a3f70
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:61!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 278 Comm: syz-executor Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59
Code: 48 89 de e8 f6 88 38 02 0f 0b 48 c7 c7 e0 81 40 85 48 89 de e8 e5 88 38 02 0f 0b 48 c7 c7 40 82 40 85 48 89 de e8 d4 88 38 02 <0f> 0b 48 c7 c7 a0 82 40 85 48 89 de e8 c3 88 38 02 0f 0b 00 55 48
RSP: 0018:ffffc90000be79f0 EFLAGS: 00010246
RAX: 0000000000000054 RBX: ffff88811a9d04d0 RCX: a4c3fe784e1c9f00
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90000be7a10 R08: ffffc90000be7387 R09: fffff5200017cea4
R10: dffffc0000000000 R11: fffff5200017ce71 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff88811a8a3f70 R15: ffff88811a9cf800
FS:  000055558e0a5500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb3f5cce000 CR3: 000000012614c000 CR4: 00000000003506b0
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+0x24c/0x650 fs/dcache.c:579
 dentry_kill+0xc0/0x2a0 fs/dcache.c:-1
 dput+0x42/0x80 fs/dcache.c:883
 path_put+0x39/0x60 fs/namei.c:499
 dentry_release+0x4f/0xa0 fs/incfs/vfs.c:1591
 __dentry_kill+0x4b5/0x650 fs/dcache.c:588
 shrink_dentry_list+0x38e/0x500 fs/dcache.c:1146
 shrink_dcache_parent+0xa9/0x270 fs/dcache.c:-1
 do_one_tree+0x27/0x150 fs/dcache.c:1627
 shrink_dcache_for_umount+0x6a/0x110 fs/dcache.c:1644
 generic_shutdown_super+0x66/0x320 fs/super.c:447
 kill_anon_super+0x3a/0x70 fs/super.c:1131
 incfs_kill_sb+0x4c/0x210 fs/incfs/vfs.c:1965
 deactivate_locked_super+0xa0/0x100 fs/super.c:335
 deactivate_super+0xaf/0xe0 fs/super.c:366
 cleanup_mnt+0x45b/0x510 fs/namespace.c:1123
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1130
 task_work_run+0x127/0x190 kernel/task_work.c:189
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_user_mode_loop+0xcb/0xe0 kernel/entry/common.c:172
 exit_to_user_mode_prepare+0x76/0xa0 kernel/entry/common.c:199
 syscall_exit_to_user_mode+0x1d/0x40 kernel/entry/common.c:274
 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fd77fd6c9d7
Code: a2 c7 05 1c ed 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 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 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fffa6ae2e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd77fd6c9d7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffa6ae2ec0
RBP: 00007fffa6ae2ec0 R08: 00007fffa6ae3ec0 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffa6ae3f50
R13: 00007fd77fe00f90 R14: 0000000000009fdc R15: 00007fffa6ae3f90
Modules linked in:
---[ end trace 1b75160ba2a32976 ]---
RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59
Code: 48 89 de e8 f6 88 38 02 0f 0b 48 c7 c7 e0 81 40 85 48 89 de e8 e5 88 38 02 0f 0b 48 c7 c7 40 82 40 85 48 89 de e8 d4 88 38 02 <0f> 0b 48 c7 c7 a0 82 40 85 48 89 de e8 c3 88 38 02 0f 0b 00 55 48
RSP: 0018:ffffc90000be79f0 EFLAGS: 00010246
RAX: 0000000000000054 RBX: ffff88811a9d04d0 RCX: a4c3fe784e1c9f00
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90000be7a10 R08: ffffc90000be7387 R09: fffff5200017cea4
R10: dffffc0000000000 R11: fffff5200017ce71 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff88811a8a3f70 R15: ffff88811a9cf800
FS:  000055558e0a5500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb3f5cce000 CR3: 000000012614c000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400