RSP: 002b:00007ffd6c4964a8 EFLAGS: 00000207 ORIG_RAX: 0000000000000107 RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00007effd6c1cde7 RDX: 0000000000000200 RSI: 00007ffd6c497650 RDI: 00000000ffffff9c RBP: 00007effd6c907dc R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000001000 R11: 0000000000000207 R12: 00007ffd6c497650 R13: 00007effd6c907dc R14: 0000000000011838 R15: 00007ffd6c498710 ---[ end trace cfc4ea94b1b619b9 ]--- list_del corruption. prev->next should be ffff88810cf601a0, but was ffff88810cf605e0 ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:61! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 289 Comm: syz-executor Tainted: G W 5.10.226-syzkaller-00184-g139a6bb26d9d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59 Code: 4c 89 f6 e8 8c 2b 56 02 0f 0b 48 c7 c7 c0 29 60 85 4c 89 f6 e8 7b 2b 56 02 0f 0b 48 c7 c7 20 2a 60 85 4c 89 f6 e8 6a 2b 56 02 <0f> 0b 48 c7 c7 80 2a 60 85 4c 89 f6 e8 59 2b 56 02 0f 0b cc 55 48 RSP: 0018:ffffc90000b67998 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff88810cf605e0 RCX: e1721fc0e5526600 RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 RBP: ffffc90000b679b8 R08: ffffffff81523068 R09: fffff5200016ce4d R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff88810cf60168 R14: ffff88810cf601a0 R15: ffff8881107b8a30 FS: 0000555573578500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc6aac26fa4 CR3: 000000010b748000 CR4: 00000000003526a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry include/linux/list.h:132 [inline] dentry_unlist fs/dcache.c:526 [inline] __dentry_kill+0x250/0x650 fs/dcache.c:579 dentry_kill+0xc0/0x2a0 dput+0x40/0x80 fs/dcache.c:883 path_put+0x39/0x60 fs/namei.c:499 dentry_release+0x52/0xb0 fs/incfs/vfs.c:1591 __dentry_kill+0x4ad/0x650 fs/dcache.c:588 shrink_dentry_list+0x38a/0x4e0 fs/dcache.c:1146 shrink_dcache_parent+0xc9/0x340 do_one_tree+0x28/0x4a0 fs/dcache.c:1627 shrink_dcache_for_umount+0x7d/0x120 fs/dcache.c:1644 generic_shutdown_super+0x66/0x320 fs/super.c:447 kill_anon_super+0x3d/0x70 fs/super.c:1131 incfs_kill_sb+0x4f/0x220 fs/incfs/vfs.c:1965 deactivate_locked_super+0xad/0x110 fs/super.c:335 deactivate_super+0xbe/0xf0 fs/super.c:366 cleanup_mnt+0x45c/0x510 fs/namespace.c:1118 __cleanup_mnt+0x19/0x20 fs/namespace.c:1125 task_work_run+0x129/0x190 kernel/task_work.c:189 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop+0xbf/0xd0 kernel/entry/common.c:172 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline] syscall_exit_to_user_mode+0xa2/0x1a0 kernel/entry/common.c:274 do_syscall_64+0x40/0x70 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7effd6c1eb37 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:00007ffd6c497598 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007effd6c1eb37 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd6c497650 RBP: 00007ffd6c497650 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd6c4986d0 R13: 00007effd6c907dc R14: 0000000000011838 R15: 00007ffd6c498710 Modules linked in: ---[ end trace cfc4ea94b1b619ba ]--- RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59 Code: 4c 89 f6 e8 8c 2b 56 02 0f 0b 48 c7 c7 c0 29 60 85 4c 89 f6 e8 7b 2b 56 02 0f 0b 48 c7 c7 20 2a 60 85 4c 89 f6 e8 6a 2b 56 02 <0f> 0b 48 c7 c7 80 2a 60 85 4c 89 f6 e8 59 2b 56 02 0f 0b cc 55 48 RSP: 0018:ffffc90000b67998 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff88810cf605e0 RCX: e1721fc0e5526600 RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 RBP: ffffc90000b679b8 R08: ffffffff81523068 R09: fffff5200016ce4d R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff88810cf60168 R14: ffff88810cf601a0 R15: ffff8881107b8a30 FS: 0000555573578500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc6aac26fa4 CR3: 000000010b748000 CR4: 00000000003526a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400