RBP: 00007ffe5609cdb0 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe5609de40 R13: 00007ff143517d7d R14: 00000000000d533e R15: 00007ffe5609de80 ---[ end trace ca3dcb4d2b41374e ]--- list_del corruption. prev->next should be ffff88812af6b800, but was ffff88812af6b4d0 ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:61! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 9185 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 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:ffffc90000cdfc38 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff88812af6b800 RCX: b12417e1c9eb5500 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90000cdfc58 R08: dffffc0000000000 R09: fffff5200019bed5 R10: fffff5200019bed5 R11: 1ffff9200019bed4 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88812af6b4d0 R15: ffff88812af6b3c0 FS: 000055555b69d500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000dfa030 CR3: 0000000118069000 CR4: 00000000003506b0 Call Trace: __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 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:181 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: 0033:0x7ff143494a77 Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 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 a8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffe5609ccf8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007ff143494a77 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe5609cdb0 RBP: 00007ffe5609cdb0 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffe5609de40 R13: 00007ff143517d7d R14: 00000000000d533e R15: 00007ffe5609de80 Modules linked in: ---[ end trace ca3dcb4d2b41374f ]--- 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:ffffc90000cdfc38 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff88812af6b800 RCX: b12417e1c9eb5500 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90000cdfc58 R08: dffffc0000000000 R09: fffff5200019bed5 R10: fffff5200019bed5 R11: 1ffff9200019bed4 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88812af6b4d0 R15: ffff88812af6b3c0 FS: 000055555b69d500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000dfa030 CR3: 0000000118069000 CR4: 00000000003506b0