R13: 00007f8dea20471f R14: 0000000000015b6f R15: 00007ffdc35a33e0 ---[ end trace 0000000000000000 ]--- list_del corruption. prev->next should be ffff8881184b9a20, but was ffff888118437090. (prev=ffff8881184b9910) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:61! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 1063 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:__list_del_entry_valid+0x10f/0x130 lib/list_debug.c:59 Code: e8 2e 4a 88 02 0f 0b 48 c7 c7 c0 74 ca 85 48 89 de e8 1d 4a 88 02 0f 0b 48 c7 c7 20 75 ca 85 48 89 de 4c 89 f9 e8 09 4a 88 02 <0f> 0b 48 c7 c7 a0 75 ca 85 48 89 de 4c 89 f1 e8 f5 49 88 02 0f 0b RSP: 0018:ffffc90001287bc8 EFLAGS: 00010246 RAX: 000000000000006d RBX: ffff8881184b9a20 RCX: 792a0ac5c18fd100 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90001287be8 R08: ffffc900012878c7 R09: 1ffff92000250f18 R10: dffffc0000000000 R11: fffff52000250f19 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff888118437090 R15: ffff8881184b9910 FS: 000055556990a500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f473f321000 CR3: 0000000126c93000 CR4: 00000000003526b0 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+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:334 deactivate_super+0xaf/0xe0 fs/super.c:365 cleanup_mnt+0x474/0x500 fs/namespace.c:1191 __cleanup_mnt+0x19/0x20 fs/namespace.c:1198 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: 0033:0x7f8dea199fd7 Code: 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 b8 07 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffdc35a1168 EFLAGS: 00000207 ORIG_RAX: 0000000000000107 RAX: 0000000000000000 RBX: 0000000000000065 RCX: 00007f8dea199fd7 RDX: 0000000000000200 RSI: 00007ffdc35a2310 RDI: 00000000ffffff9c RBP: 00007f8dea20471f R08: 00000000000186c0 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000207 R12: 00007ffdc35a2310 R13: 00007f8dea20471f R14: 0000000000015b6f R15: 00007ffdc35a33e0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid+0x10f/0x130 lib/list_debug.c:59 Code: e8 2e 4a 88 02 0f 0b 48 c7 c7 c0 74 ca 85 48 89 de e8 1d 4a 88 02 0f 0b 48 c7 c7 20 75 ca 85 48 89 de 4c 89 f9 e8 09 4a 88 02 <0f> 0b 48 c7 c7 a0 75 ca 85 48 89 de 4c 89 f1 e8 f5 49 88 02 0f 0b RSP: 0018:ffffc90001287bc8 EFLAGS: 00010246 RAX: 000000000000006d RBX: ffff8881184b9a20 RCX: 792a0ac5c18fd100 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90001287be8 R08: ffffc900012878c7 R09: 1ffff92000250f18 R10: dffffc0000000000 R11: fffff52000250f19 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff888118437090 R15: ffff8881184b9910 FS: 000055556990a500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f473f321000 CR3: 0000000126c93000 CR4: 00000000003526b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400