RBP: 00007fb0a17a2f1b R08: 00000000000106c0 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000207 R12: 00007ffcbe437070
R13: 00007fb0a17a2f1b R14: 000000000006e232 R15: 00007ffcbe438140
 </TASK>
---[ end trace ba732d6238475e58 ]---
list_del corruption. prev->next should be ffff88812d0191a0, but was ffff88812d019d60
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:61!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 7588 Comm: syz-executor Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59
Code: 48 89 de e8 86 53 57 02 0f 0b 48 c7 c7 c0 98 63 85 48 89 de e8 75 53 57 02 0f 0b 48 c7 c7 20 99 63 85 48 89 de e8 64 53 57 02 <0f> 0b 48 c7 c7 80 99 63 85 48 89 de e8 53 53 57 02 0f 0b 00 55 48
RSP: 0018:ffffc90001f07c08 EFLAGS: 00010246
RAX: 0000000000000054 RBX: ffff88812d0191a0 RCX: f1655658e675d500
RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000
RBP: ffffc90001f07c28 R08: ffffc90001f07667 R09: 1ffff920003e0ecc
R10: dffffc0000000000 R11: fffff520003e0ecd R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff88812d019d60 R15: ffff88812d019d60
FS:  000055558f4f5500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558f520988 CR3: 000000011b4c1000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __list_del_entry include/linux/list.h:139 [inline]
 dentry_unlist fs/dcache.c:529 [inline]
 __dentry_kill+0x248/0x660 fs/dcache.c:582
 dentry_kill+0xc0/0x2a0 fs/dcache.c:-1
 dput+0x47/0x90 fs/dcache.c:893
 ovl_free_fs+0x128/0x6e0 fs/overlayfs/super.c:237
 ovl_put_super+0x3b/0x40 fs/overlayfs/super.c:269
 generic_shutdown_super+0x151/0x330 fs/super.c:475
 kill_anon_super+0x3a/0x70 fs/super.c:1100
 deactivate_locked_super+0xa0/0x100 fs/super.c:335
 deactivate_super+0xaf/0xe0 fs/super.c:366
 cleanup_mnt+0x44f/0x500 fs/namespace.c:1149
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1156
 task_work_run+0x127/0x190 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:184
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:217
 __syscall_exit_to_user_mode_work kernel/entry/common.c:299 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:310
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb0a170d797
Code: a2 c7 05 5c 7f 25 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:00007ffcbe436fb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fb0a170d797
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcbe437070
RBP: 00007ffcbe437070 R08: 00007ffcbe438070 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcbe438100
R13: 00007fb0a17a2f1b R14: 000000000006e232 R15: 00007ffcbe438140
 </TASK>
Modules linked in:
---[ end trace ba732d6238475e59 ]---
RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59
Code: 48 89 de e8 86 53 57 02 0f 0b 48 c7 c7 c0 98 63 85 48 89 de e8 75 53 57 02 0f 0b 48 c7 c7 20 99 63 85 48 89 de e8 64 53 57 02 <0f> 0b 48 c7 c7 80 99 63 85 48 89 de e8 53 53 57 02 0f 0b 00 55 48
RSP: 0018:ffffc90001f07c08 EFLAGS: 00010246
RAX: 0000000000000054 RBX: ffff88812d0191a0 RCX: f1655658e675d500
RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000
RBP: ffffc90001f07c28 R08: ffffc90001f07667 R09: 1ffff920003e0ecc
R10: dffffc0000000000 R11: fffff520003e0ecd R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff88812d019d60 R15: ffff88812d019d60
FS:  000055558f4f5500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558f520988 CR3: 000000011b4c1000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400