RDX: 00007f3120a08fb0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f3122044b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3122228038 R14: 00007f3122227fa0 R15: 00007ffece1e4818
 </TASK>
---[ end trace 7844dbafdfc71b83 ]---
list_del corruption. prev->next should be ffff8881126afd50, but was ffff8881126af090
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:61!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 924 Comm: syz.2.147 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 26 9a 56 02 0f 0b 48 c7 c7 00 9f 63 85 48 89 de e8 15 9a 56 02 0f 0b 48 c7 c7 60 9f 63 85 48 89 de e8 04 9a 56 02 <0f> 0b 48 c7 c7 c0 9f 63 85 48 89 de e8 f3 99 56 02 0f 0b 00 55 48
RSP: 0000:ffffc90000b87778 EFLAGS: 00010246
RAX: 0000000000000054 RBX: ffff8881126afd50 RCX: 27ff4c159637ac00
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90000b87798 R08: ffffc90000b871e7 R09: 1ffff92000170e3c
R10: dffffc0000000000 R11: fffff52000170e3d R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff8881126af090 R15: ffff8881126afa20
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4dddb9e9d3 CR3: 000000014066b000 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+0x45b/0x510 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+0xa9e/0x27e0 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+0xdf/0x11c0 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
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f3121f6eece
Code: Unable to access opcode bytes at RIP 0x7f3121f6eea4.
RSP: 002b:00007f3120a08f58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6
RAX: fffffffffffffdfc RBX: 00007f3120a096c0 RCX: 00007f3121f6eece
RDX: 00007f3120a08fb0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f3122044b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3122228038 R14: 00007f3122227fa0 R15: 00007ffece1e4818
 </TASK>
Modules linked in:
---[ end trace 7844dbafdfc71b84 ]---
RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59
Code: 48 89 de e8 26 9a 56 02 0f 0b 48 c7 c7 00 9f 63 85 48 89 de e8 15 9a 56 02 0f 0b 48 c7 c7 60 9f 63 85 48 89 de e8 04 9a 56 02 <0f> 0b 48 c7 c7 c0 9f 63 85 48 89 de e8 f3 99 56 02 0f 0b 00 55 48
RSP: 0000:ffffc90000b87778 EFLAGS: 00010246
RAX: 0000000000000054 RBX: ffff8881126afd50 RCX: 27ff4c159637ac00
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90000b87798 R08: ffffc90000b871e7 R09: 1ffff92000170e3c
R10: dffffc0000000000 R11: fffff52000170e3d R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff8881126af090 R15: ffff8881126afa20
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4dddb9e9d3 CR3: 000000014066b000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400