R10: 0000000000000000 R11: 0000000000000207 R12: 00007ffc0fe72180 R13: 00007fb2923bdd23 R14: 0000000000009e7e R15: 00007ffc0fe73250 ---[ end trace a5ec4bdd0237dd59 ]--- list_del corruption. prev->next should be ffff888111fdde60, but was ffff888111fdd3d0 ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:61! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 374 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59 Code: 48 89 de e8 16 54 57 02 0f 0b 48 c7 c7 00 98 63 85 48 89 de e8 05 54 57 02 0f 0b 48 c7 c7 60 98 63 85 48 89 de e8 f4 53 57 02 <0f> 0b 48 c7 c7 c0 98 63 85 48 89 de e8 e3 53 57 02 0f 0b 00 55 48 RSP: 0018:ffffc90000b37c08 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff888111fdde60 RCX: 506b02de9f064700 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90000b37c28 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52000166ee0 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff888111fdd3d0 R15: ffff888111fdd3d0 FS: 00005555571fb500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9c8e9e04b8 CR3: 000000012385d000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __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: 0033:0x7fb2923283d7 Code: a2 c7 05 1c 63 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:00007ffc0fe720c8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fb2923283d7 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc0fe72180 RBP: 00007ffc0fe72180 R08: 00007ffc0fe73180 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc0fe73210 R13: 00007fb2923bdd23 R14: 0000000000009e7e R15: 00007ffc0fe73250 Modules linked in: ---[ end trace a5ec4bdd0237dd5a ]--- RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59 Code: 48 89 de e8 16 54 57 02 0f 0b 48 c7 c7 00 98 63 85 48 89 de e8 05 54 57 02 0f 0b 48 c7 c7 60 98 63 85 48 89 de e8 f4 53 57 02 <0f> 0b 48 c7 c7 c0 98 63 85 48 89 de e8 e3 53 57 02 0f 0b 00 55 48 RSP: 0018:ffffc90000b37c08 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff888111fdde60 RCX: 506b02de9f064700 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90000b37c28 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52000166ee0 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff888111fdd3d0 R15: ffff888111fdd3d0 FS: 00005555571fb500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9c8e9e04b8 CR3: 000000012385d000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400