RBP: 00007f0c5c61f824 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000001000 R11: 0000000000000207 R12: 00007ffdb79e57b0 R13: 00007f0c5c61f824 R14: 00000000001f6aae R15: 00007ffdb79e6870 ---[ end trace d4708b1a46a919c6 ]--- list_del corruption. prev->next should be ffff8881347b7e60, but was ffff8881347b7090 ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:61! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 32619 Comm: syz-executor Tainted: G W 5.10.226-syzkaller-00444-g220ce693f83f #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 3c 3d 56 02 0f 0b 48 c7 c7 40 2b 60 85 4c 89 f6 e8 2b 3d 56 02 0f 0b 48 c7 c7 a0 2b 60 85 4c 89 f6 e8 1a 3d 56 02 <0f> 0b 48 c7 c7 00 2c 60 85 4c 89 f6 e8 09 3d 56 02 0f 0b cc 55 48 RSP: 0018:ffffc90000e47998 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff8881347b7090 RCX: c4819470bb5f4c00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90000e479b8 R08: ffffffff81523028 R09: ffffed103ee0a5f8 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff8881347b7e28 R14: ffff8881347b7e60 R15: ffff88810ce284e0 FS: 0000555580292500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcd9aa32ab8 CR3: 000000012105d000 CR4: 00000000003506b0 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: 0033:0x7f0c5c5ad247 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:00007ffdb79e56f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f0c5c5ad247 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdb79e57b0 RBP: 00007ffdb79e57b0 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffdb79e6830 R13: 00007f0c5c61f824 R14: 00000000001f6aae R15: 00007ffdb79e6870 Modules linked in: ---[ end trace d4708b1a46a919c7 ]--- RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59 Code: 4c 89 f6 e8 3c 3d 56 02 0f 0b 48 c7 c7 40 2b 60 85 4c 89 f6 e8 2b 3d 56 02 0f 0b 48 c7 c7 a0 2b 60 85 4c 89 f6 e8 1a 3d 56 02 <0f> 0b 48 c7 c7 00 2c 60 85 4c 89 f6 e8 09 3d 56 02 0f 0b cc 55 48 RSP: 0018:ffffc90000e47998 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff8881347b7090 RCX: c4819470bb5f4c00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90000e479b8 R08: ffffffff81523028 R09: ffffed103ee0a5f8 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff8881347b7e28 R14: ffff8881347b7e60 R15: ffff88810ce284e0 FS: 0000555580292500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcd9aa32ab8 CR3: 000000012105d000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400