R13: 00007f36fee322ca R14: 0000000000015571 R15: 00007ffe6c788720 ---[ end trace 0000000000000000 ]--- list_del corruption. prev->next should be ffff8881331f9910, but was ffff888116cd3800. (prev=ffff88813c0b75e0) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:61! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 2160 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 0e 56 88 02 0f 0b 48 c7 c7 20 6b ca 85 48 89 de e8 fd 55 88 02 0f 0b 48 c7 c7 80 6b ca 85 48 89 de 4c 89 f9 e8 e9 55 88 02 <0f> 0b 48 c7 c7 00 6c ca 85 48 89 de 4c 89 f1 e8 d5 55 88 02 0f 0b RSP: 0018:ffffc9000230fbe8 EFLAGS: 00010246 RAX: 000000000000006d RBX: ffff8881331f9910 RCX: 5a6a54dad183fa00 RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 RBP: ffffc9000230fc08 R08: ffffc9000230f8e7 R09: 1ffff92000461f1c R10: dffffc0000000000 R11: fffff52000461f1d R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff888116cd3800 R15: ffff88813c0b75e0 FS: 000055557fb75500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f428cfac000 CR3: 0000000123e77000 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 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: 0033:0x7f36fed9e097 Code: a2 c7 05 5c 06 25 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:00007ffe6c787598 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f36fed9e097 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe6c787650 RBP: 00007ffe6c787650 R08: 00007ffe6c788650 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe6c7886e0 R13: 00007f36fee322ca R14: 0000000000015571 R15: 00007ffe6c788720 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid+0x10f/0x130 lib/list_debug.c:59 Code: e8 0e 56 88 02 0f 0b 48 c7 c7 20 6b ca 85 48 89 de e8 fd 55 88 02 0f 0b 48 c7 c7 80 6b ca 85 48 89 de 4c 89 f9 e8 e9 55 88 02 <0f> 0b 48 c7 c7 00 6c ca 85 48 89 de 4c 89 f1 e8 d5 55 88 02 0f 0b RSP: 0018:ffffc9000230fbe8 EFLAGS: 00010246 RAX: 000000000000006d RBX: ffff8881331f9910 RCX: 5a6a54dad183fa00 RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 RBP: ffffc9000230fc08 R08: ffffc9000230f8e7 R09: 1ffff92000461f1c R10: dffffc0000000000 R11: fffff52000461f1d R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff888116cd3800 R15: ffff88813c0b75e0 FS: 000055557fb75500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f428cfac000 CR3: 0000000123e77000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400