list_del corruption. prev->next should be ffff888117f2a090, but was ffff888117f2ac40. (prev=ffff88811152b3c0)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:61!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 2236 Comm: syz-executor Tainted: G        W          syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__list_del_entry_valid+0x10f/0x130 lib/list_debug.c:59
Code: e8 2e 4a 88 02 0f 0b 48 c7 c7 40 77 ca 85 48 89 de e8 1d 4a 88 02 0f 0b 48 c7 c7 a0 77 ca 85 48 89 de 4c 89 f9 e8 09 4a 88 02 <0f> 0b 48 c7 c7 20 78 ca 85 48 89 de 4c 89 f1 e8 f5 49 88 02 0f 0b
RSP: 0018:ffffc90005b1fa48 EFLAGS: 00010246
RAX: 000000000000006d RBX: ffff888117f2a090 RCX: c1a8dc050181a400
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90005b1fa68 R08: ffffc90005b1f747 R09: 1ffff92000b63ee8
R10: dffffc0000000000 R11: fffff52000b63ee9 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888117f2ac40 R15: ffff88811152b3c0
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcfa5860daf CR3: 000000000700f000 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
 exit_task_work include/linux/task_work.h:39 [inline]
 do_exit+0xa35/0x2660 kernel/exit.c:886
 do_group_exit+0x210/0x2d0 kernel/exit.c:1028
 __do_sys_exit_group kernel/exit.c:1039 [inline]
 __se_sys_exit_group kernel/exit.c:1037 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1037
 x64_sys_call+0x7b4/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f6ec1d9aeb9
Code: Unable to access opcode bytes at 0x7f6ec1d9ae8f.
RSP: 002b:00007ffdfdfe5a68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f6ec1e047ae RCX: 00007f6ec1d9aeb9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000009 R08: 0000000000000000 R09: 00007f6ec1e0471f
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdfdfe6d20
R13: 00007f6ec1e0471f R14: 00005555762af4e8 R15: 00007ffdfdfe7df0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid+0x10f/0x130 lib/list_debug.c:59
Code: e8 2e 4a 88 02 0f 0b 48 c7 c7 40 77 ca 85 48 89 de e8 1d 4a 88 02 0f 0b 48 c7 c7 a0 77 ca 85 48 89 de 4c 89 f9 e8 09 4a 88 02 <0f> 0b 48 c7 c7 20 78 ca 85 48 89 de 4c 89 f1 e8 f5 49 88 02 0f 0b
RSP: 0018:ffffc90005b1fa48 EFLAGS: 00010246
RAX: 000000000000006d RBX: ffff888117f2a090 RCX: c1a8dc050181a400
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90005b1fa68 R08: ffffc90005b1f747 R09: 1ffff92000b63ee8
R10: dffffc0000000000 R11: fffff52000b63ee9 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888117f2ac40 R15: ffff88811152b3c0
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcfa5860daf CR3: 000000000700f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400