RBP: 0000000000000009 R08: 00007fffdd95c137 R09: 00007fffdd95f650 R10: 0000000000000009 R11: 0000000000000246 R12: 00007fffdd95f650 R13: 00007f47a23117b4 R14: 0000555556c504a8 R15: 00007fffdd961800 ---[ end trace 05f30e439f21455e ]--- list_del corruption. prev->next should be ffff88811063da20, but was ffff8881371ee5e0 ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:61! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 19184 Comm: syz-executor Tainted: G W 5.10.223-syzkaller-01561-g0890c03b8b7d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59 Code: 4c 89 f6 e8 4c b8 55 02 0f 0b 48 c7 c7 80 24 60 85 4c 89 f6 e8 3b b8 55 02 0f 0b 48 c7 c7 e0 24 60 85 4c 89 f6 e8 2a b8 55 02 <0f> 0b 48 c7 c7 40 25 60 85 4c 89 f6 e8 19 b8 55 02 0f 0b cc 55 48 RSP: 0018:ffffc90000bb7a98 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff8881371ee5e0 RCX: 7879184cfa3b6a00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90000bb7ab8 R08: ffffffff81521b78 R09: ffffed103ee0a5f8 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff88811063d9e8 R14: ffff88811063da20 R15: ffff88811063dd50 FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f424af6af98 CR3: 00000001229da000 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 incfs_free_mount_info+0x60/0x210 fs/incfs/data_mgmt.c:166 incfs_kill_sb+0x1c2/0x220 fs/incfs/vfs.c:1951 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:165 exit_task_work include/linux/task_work.h:32 [inline] do_exit+0xc83/0x2a50 kernel/exit.c:863 do_group_exit+0x141/0x310 kernel/exit.c:985 __do_sys_exit_group kernel/exit.c:996 [inline] __se_sys_exit_group kernel/exit.c:994 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:994 do_syscall_64+0x34/0x70 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f47a22a3e79 Code: Unable to access opcode bytes at RIP 0x7f47a22a3e4f. RSP: 002b:00007fffdd95e398 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f47a2311814 RCX: 00007f47a22a3e79 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000009 R08: 00007fffdd95c137 R09: 00007fffdd95f650 R10: 0000000000000009 R11: 0000000000000246 R12: 00007fffdd95f650 R13: 00007f47a23117b4 R14: 0000555556c504a8 R15: 00007fffdd961800 Modules linked in: ---[ end trace 05f30e439f21455f ]--- RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59 Code: 4c 89 f6 e8 4c b8 55 02 0f 0b 48 c7 c7 80 24 60 85 4c 89 f6 e8 3b b8 55 02 0f 0b 48 c7 c7 e0 24 60 85 4c 89 f6 e8 2a b8 55 02 <0f> 0b 48 c7 c7 40 25 60 85 4c 89 f6 e8 19 b8 55 02 0f 0b cc 55 48 RSP: 0018:ffffc90000bb7a98 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff8881371ee5e0 RCX: 7879184cfa3b6a00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90000bb7ab8 R08: ffffffff81521b78 R09: ffffed103ee0a5f8 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff88811063d9e8 R14: ffff88811063da20 R15: ffff88811063dd50 FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f424af6af98 CR3: 00000001229da000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400