---[ end trace 0000000000000000 ]--- list_del corruption. prev->next should be ffff888116b453c0, but was ffff888132f926f0. (prev=ffff888116b45c40) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:61! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 2551 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:__list_del_entry_valid+0x10f/0x130 lib/list_debug.c:59 Code: e8 5e af 88 02 0f 0b 48 c7 c7 20 81 ca 85 48 89 de e8 4d af 88 02 0f 0b 48 c7 c7 80 81 ca 85 48 89 de 4c 89 f9 e8 39 af 88 02 <0f> 0b 48 c7 c7 00 82 ca 85 48 89 de 4c 89 f1 e8 25 af 88 02 0f 0b RSP: 0018:ffffc90000767bc8 EFLAGS: 00010246 RAX: 000000000000006d RBX: ffff888116b453c0 RCX: 94e81bd44c7d0400 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90000767be8 R08: ffffc900007678c7 R09: 1ffff920000ecf18 R10: dffffc0000000000 R11: fffff520000ecf19 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff888132f926f0 R15: ffff888116b45c40 FS: 00005555901c7500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f57f0b7dd58 CR3: 0000000128ea0000 CR4: 00000000003506b0 Call Trace: __list_del_entry include/linux/list.h:134 [inline] dentry_unlist fs/dcache.c:554 [inline] __dentry_kill+0x25d/0x670 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+0x1b8/0x220 fs/incfs/vfs.c:2003 deactivate_locked_super+0xb5/0x120 fs/super.c:336 deactivate_super+0xaf/0xe0 fs/super.c:367 cleanup_mnt+0x474/0x500 fs/namespace.c:1192 __cleanup_mnt+0x19/0x20 fs/namespace.c:1199 task_work_run+0x1e1/0x250 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f523f99da57 Code: a2 c7 05 9c fc 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 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 e8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffc3e62f268 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f523f99da57 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc3e62f320 RBP: 00007ffc3e62f320 R08: 00007ffc3e630320 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc3e6303b0 R13: 00007f523fa32048 R14: 000000000001bc57 R15: 00007ffc3e6303f0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid+0x10f/0x130 lib/list_debug.c:59 Code: e8 5e af 88 02 0f 0b 48 c7 c7 20 81 ca 85 48 89 de e8 4d af 88 02 0f 0b 48 c7 c7 80 81 ca 85 48 89 de 4c 89 f9 e8 39 af 88 02 <0f> 0b 48 c7 c7 00 82 ca 85 48 89 de 4c 89 f1 e8 25 af 88 02 0f 0b RSP: 0018:ffffc90000767bc8 EFLAGS: 00010246 RAX: 000000000000006d RBX: ffff888116b453c0 RCX: 94e81bd44c7d0400 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90000767be8 R08: ffffc900007678c7 R09: 1ffff920000ecf18 R10: dffffc0000000000 R11: fffff520000ecf19 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff888132f926f0 R15: ffff888116b45c40 FS: 00005555901c7500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f57f0b7dd58 CR3: 0000000128ea0000 CR4: 00000000003506b0