---[ end trace 0000000000000000 ]--- list_del corruption. prev->next should be ffff8881376daf70, but was ffff8881376da6f0. (prev=ffff8881330fe700) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:61! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 1946 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:__list_del_entry_valid+0x10f/0x130 lib/list_debug.c:59 Code: e8 1e 55 88 02 0f 0b 48 c7 c7 20 66 ca 85 48 89 de e8 0d 55 88 02 0f 0b 48 c7 c7 80 66 ca 85 48 89 de 4c 89 f9 e8 f9 54 88 02 <0f> 0b 48 c7 c7 00 67 ca 85 48 89 de 4c 89 f1 e8 e5 54 88 02 0f 0b RSP: 0018:ffffc90012fffa68 EFLAGS: 00010246 RAX: 000000000000006d RBX: ffff8881376daf70 RCX: 929bce77735ca400 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90012fffa88 R08: ffffc90012fff767 R09: 1ffff920025ffeec R10: dffffc0000000000 R11: fffff520025ffeed R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff8881376da6f0 R15: ffff8881330fe700 FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055557d07b908 CR3: 000000012be69000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry include/linux/list.h:134 [inline] dentry_unlist fs/dcache.c:554 [inline] __dentry_kill+0x259/0x680 fs/dcache.c:607 dentry_kill+0xc0/0x2a0 fs/dcache.c:-1 dput+0x42/0x80 fs/dcache.c:918 incfs_free_mount_info+0x60/0x200 fs/incfs/data_mgmt.c:166 incfs_kill_sb+0x1af/0x210 fs/incfs/vfs.c:2003 deactivate_locked_super+0xb5/0x120 fs/super.c:336 deactivate_super+0xaf/0xe0 fs/super.c:367 cleanup_mnt+0x45e/0x4e0 fs/namespace.c:1192 __cleanup_mnt+0x19/0x20 fs/namespace.c:1199 task_work_run+0x1e1/0x250 kernel/task_work.c:203 exit_task_work include/linux/task_work.h:39 [inline] do_exit+0xa7c/0x27c0 kernel/exit.c:886 do_group_exit+0x21b/0x2e0 kernel/exit.c:1029 __do_sys_exit_group kernel/exit.c:1040 [inline] __se_sys_exit_group kernel/exit.c:1038 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1038 x64_sys_call+0x7b4/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fea6939ce59 Code: Unable to access opcode bytes at 0x7fea6939ce2f. RSP: 002b:00007ffd5fa99b98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fea6943222a RCX: 00007fea6939ce59 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000009 R08: 0000000000000000 R09: 00007fea694321ca R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd5fa9ae50 R13: 00007fea694321ca R14: 000055555cb9f4e8 R15: 00007ffd5fa9bf20 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid+0x10f/0x130 lib/list_debug.c:59 Code: e8 1e 55 88 02 0f 0b 48 c7 c7 20 66 ca 85 48 89 de e8 0d 55 88 02 0f 0b 48 c7 c7 80 66 ca 85 48 89 de 4c 89 f9 e8 f9 54 88 02 <0f> 0b 48 c7 c7 00 67 ca 85 48 89 de 4c 89 f1 e8 e5 54 88 02 0f 0b RSP: 0018:ffffc90012fffa68 EFLAGS: 00010246 RAX: 000000000000006d RBX: ffff8881376daf70 RCX: 929bce77735ca400 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90012fffa88 R08: ffffc90012fff767 R09: 1ffff920025ffeec R10: dffffc0000000000 R11: fffff520025ffeed R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff8881376da6f0 R15: ffff8881330fe700 FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055557d07b908 CR3: 000000012be69000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400