RBP: 00007fa5ecdaf1ca R08: 00000000000106c0 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000207 R12: 00007ffec50486b0 R13: 00007fa5ecdaf1ca R14: 0000000000011602 R15: 00007ffec5049780 ---[ end trace cdd9a81385a54fd3 ]--- list_del corruption. prev->next should be ffff888110202e60, but was ffff8881102025e0 ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:61! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 281 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59 Code: 48 89 de e8 76 be 38 02 0f 0b 48 c7 c7 a0 89 40 85 48 89 de e8 65 be 38 02 0f 0b 48 c7 c7 00 8a 40 85 48 89 de e8 54 be 38 02 <0f> 0b 48 c7 c7 60 8a 40 85 48 89 de e8 43 be 38 02 0f 0b 00 55 48 RSP: 0018:ffffc90000b27c60 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff888110202e60 RCX: 41745b818105cb00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90000b27c80 R08: ffffc90000b27607 R09: fffff52000164ef4 R10: dffffc0000000000 R11: fffff52000164ec1 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff8881102025e0 R15: ffff888110202910 FS: 000055558bf2f500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555575869908 CR3: 0000000125cd4000 CR4: 00000000003526b0 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+0x24c/0x650 fs/dcache.c:579 dentry_kill+0xc0/0x2a0 fs/dcache.c:-1 dput+0x42/0x80 fs/dcache.c:883 incfs_free_mount_info+0x60/0x200 fs/incfs/data_mgmt.c:166 incfs_kill_sb+0x1aa/0x210 fs/incfs/vfs.c:1979 deactivate_locked_super+0xa0/0x100 fs/super.c:335 deactivate_super+0xaf/0xe0 fs/super.c:366 cleanup_mnt+0x45b/0x510 fs/namespace.c:1123 __cleanup_mnt+0x19/0x20 fs/namespace.c:1130 task_work_run+0x127/0x190 kernel/task_work.c:189 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop+0xcb/0xe0 kernel/entry/common.c:172 exit_to_user_mode_prepare+0x76/0xa0 kernel/entry/common.c:199 syscall_exit_to_user_mode+0x1d/0x40 kernel/entry/common.c:274 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fa5ecd18f77 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:00007ffec5047508 EFLAGS: 00000207 ORIG_RAX: 0000000000000107 RAX: 0000000000000000 RBX: 0000000000000065 RCX: 00007fa5ecd18f77 RDX: 0000000000000200 RSI: 00007ffec50486b0 RDI: 00000000ffffff9c RBP: 00007fa5ecdaf1ca R08: 00000000000106c0 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000207 R12: 00007ffec50486b0 R13: 00007fa5ecdaf1ca R14: 0000000000011602 R15: 00007ffec5049780 Modules linked in: ---[ end trace cdd9a81385a54fd4 ]--- RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59 Code: 48 89 de e8 76 be 38 02 0f 0b 48 c7 c7 a0 89 40 85 48 89 de e8 65 be 38 02 0f 0b 48 c7 c7 00 8a 40 85 48 89 de e8 54 be 38 02 <0f> 0b 48 c7 c7 60 8a 40 85 48 89 de e8 43 be 38 02 0f 0b 00 55 48 RSP: 0018:ffffc90000b27c60 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff888110202e60 RCX: 41745b818105cb00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90000b27c80 R08: ffffc90000b27607 R09: fffff52000164ef4 R10: dffffc0000000000 R11: fffff52000164ec1 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff8881102025e0 R15: ffff888110202910 FS: 000055558bf2f500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555575869908 CR3: 0000000125cd4000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400