list_del corruption. prev->next should be ffff888111badc40, but was ffff888111bad1a0. (prev=ffff888111badf70)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:61!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 463 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+0x10f/0x130 lib/list_debug.c:59
Code: e8 7e 6b 88 02 0f 0b 48 c7 c7 e0 7b ca 85 48 89 de e8 6d 6b 88 02 0f 0b 48 c7 c7 40 7c ca 85 48 89 de 4c 89 f9 e8 59 6b 88 02 <0f> 0b 48 c7 c7 c0 7c ca 85 48 89 de 4c 89 f1 e8 45 6b 88 02 0f 0b
RSP: 0018:ffffc900009b7bc8 EFLAGS: 00010246
RAX: 000000000000006d RBX: ffff888111badc40 RCX: ad1e255d96cf1c00
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc900009b7be8 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000136ec8 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888111bad1a0 R15: ffff888111badf70
FS:  0000555583c54500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f62401edb7c CR3: 00000001196b0000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __list_del_entry include/linux/list.h:134 [inline]
 dentry_unlist fs/dcache.c:554 [inline]
 __dentry_kill+0x25d/0x670 fs/dcache.c:607
 dentry_kill+0xc0/0x2a0 fs/dcache.c:-1
 dput+0x42/0x80 fs/dcache.c:918
 incfs_free_mount_info+0x60/0x200 fs/incfs/data_mgmt.c:166
 incfs_kill_sb+0x1b8/0x220 fs/incfs/vfs.c:2003
 deactivate_locked_super+0xb5/0x120 fs/super.c:334
 deactivate_super+0xaf/0xe0 fs/super.c:365
 cleanup_mnt+0x474/0x500 fs/namespace.c:1191
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1198
 task_work_run+0x1e1/0x250 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fa8f439d9d7
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:00007ffd3878c5a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fa8f439d9d7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd3878c660
RBP: 00007ffd3878c660 R08: 00007ffd3878d660 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd3878d6f0
R13: 00007fa8f4431f90 R14: 000000000000c505 R15: 00007ffd3878d730
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid+0x10f/0x130 lib/list_debug.c:59
Code: e8 7e 6b 88 02 0f 0b 48 c7 c7 e0 7b ca 85 48 89 de e8 6d 6b 88 02 0f 0b 48 c7 c7 40 7c ca 85 48 89 de 4c 89 f9 e8 59 6b 88 02 <0f> 0b 48 c7 c7 c0 7c ca 85 48 89 de 4c 89 f1 e8 45 6b 88 02 0f 0b
RSP: 0018:ffffc900009b7bc8 EFLAGS: 00010246
RAX: 000000000000006d RBX: ffff888111badc40 RCX: ad1e255d96cf1c00
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc900009b7be8 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000136ec8 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888111bad1a0 R15: ffff888111badf70
FS:  0000555583c54500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f62401edb7c CR3: 00000001196b0000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400