R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fcacc6ac038 R14: 00007fcacc6abfa0 R15: 00007ffeefdf8a98
 </TASK>
---[ end trace 7fa78874eacf004d ]---
list_del corruption. prev->next should be ffff888111d19090, but was ffff888109bfbe60
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:61!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 4342 Comm: syz.8.945 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+0x10c/0x120 lib/list_debug.c:59
Code: 48 89 de e8 e6 cd 4f 02 0f 0b 48 c7 c7 40 4c 63 85 48 89 de e8 d5 cd 4f 02 0f 0b 48 c7 c7 a0 4c 63 85 48 89 de e8 c4 cd 4f 02 <0f> 0b 48 c7 c7 00 4d 63 85 48 89 de e8 b3 cd 4f 02 0f 0b 00 55 48
RSP: 0018:ffffc9000362f7b8 EFLAGS: 00010246
RAX: 0000000000000054 RBX: ffff888111d19090 RCX: ccdf1455f7bcc200
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc9000362f7d8 R08: dffffc0000000000 R09: ffffed103ee265e8
R10: ffffed103ee265e8 R11: 1ffff1103ee265e7 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888109bfbe60 R15: ffff888111d19e60
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f37772fef98 CR3: 000000011b88d000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __list_del_entry include/linux/list.h:132 [inline]
 dentry_unlist fs/dcache.c:529 [inline]
 __dentry_kill+0x24c/0x650 fs/dcache.c:582
 dentry_kill+0xc0/0x2a0 fs/dcache.c:-1
 dput+0x47/0x90 fs/dcache.c:893
 incfs_free_mount_info+0x60/0x200 fs/incfs/data_mgmt.c:166
 incfs_kill_sb+0x1b8/0x220 fs/incfs/vfs.c:1997
 deactivate_locked_super+0xa0/0x100 fs/super.c:335
 deactivate_super+0xaf/0xe0 fs/super.c:366
 cleanup_mnt+0x446/0x500 fs/namespace.c:1148
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1155
 task_work_run+0x127/0x190 kernel/task_work.c:188
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xa7e/0x27a0 kernel/exit.c:889
 do_group_exit+0x141/0x310 kernel/exit.c:1003
 get_signal+0x66a/0x1480 kernel/signal.c:2907
 arch_do_signal_or_restart+0xc1/0x10f0 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0xa7/0xe0 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307
 ret_from_fork+0x15/0x30 arch/x86/entry/entry_64.S:280
RIP: 0033:0x7fcacc455749
Code: Unable to access opcode bytes at RIP 0x7fcacc45571f.
RSP: 002b:00007fcacaebcfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: 0000000000000000 RBX: 00007fcacc6abfa0 RCX: 00007fcacc455749
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fcacc4d9f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fcacc6ac038 R14: 00007fcacc6abfa0 R15: 00007ffeefdf8a98
 </TASK>
Modules linked in:
---[ end trace 7fa78874eacf004e ]---
RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59
Code: 48 89 de e8 e6 cd 4f 02 0f 0b 48 c7 c7 40 4c 63 85 48 89 de e8 d5 cd 4f 02 0f 0b 48 c7 c7 a0 4c 63 85 48 89 de e8 c4 cd 4f 02 <0f> 0b 48 c7 c7 00 4d 63 85 48 89 de e8 b3 cd 4f 02 0f 0b 00 55 48
RSP: 0018:ffffc9000362f7b8 EFLAGS: 00010246
RAX: 0000000000000054 RBX: ffff888111d19090 RCX: ccdf1455f7bcc200
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc9000362f7d8 R08: dffffc0000000000 R09: ffffed103ee265e8
R10: ffffed103ee265e8 R11: 1ffff1103ee265e7 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888109bfbe60 R15: ffff888111d19e60
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f37772fef98 CR3: 000000011b88d000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400