R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffcf6913570 R13: 00007ff19ca3589d R14: 0000000000019949 R15: 00007ffcf69135b0 ---[ end trace 41e73868c9dc6852 ]--- list_del corruption. prev->next should be ffff88810fee65e0, but was ffff88810cf88800 ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:61! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 546 Comm: syz-executor Tainted: G W 5.10.237-syzkaller-00010-gcf6ed0f1511d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59 Code: 48 89 de e8 86 d7 2e 02 0f 0b 48 c7 c7 80 12 20 85 48 89 de e8 75 d7 2e 02 0f 0b 48 c7 c7 e0 12 20 85 48 89 de e8 64 d7 2e 02 <0f> 0b 48 c7 c7 40 13 20 85 48 89 de e8 53 d7 2e 02 0f 0b 00 55 48 RSP: 0018:ffffc90000e67c78 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff88810fee65e0 RCX: b2c44f56c3657c00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90000e67c98 R08: dffffc0000000000 R09: fffff520001ccec5 R10: fffff520001ccec5 R11: 1ffff920001ccec4 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88810cf88800 R15: ffff88810ff163c0 FS: 000055558da82500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9242bd4420 CR3: 00000001210bf000 CR4: 00000000003506b0 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+0x446/0x500 fs/namespace.c:1118 __cleanup_mnt+0x19/0x20 fs/namespace.c:1125 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 kernel/entry/common.c:199 [inline] syscall_exit_to_user_mode+0x68/0x90 kernel/entry/common.c:274 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7ff19c9b4c97 Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 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 a8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffcf6912428 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007ff19c9b4c97 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcf69124e0 RBP: 00007ffcf69124e0 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffcf6913570 R13: 00007ff19ca3589d R14: 0000000000019949 R15: 00007ffcf69135b0 Modules linked in: ---[ end trace 41e73868c9dc6853 ]--- RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59 Code: 48 89 de e8 86 d7 2e 02 0f 0b 48 c7 c7 80 12 20 85 48 89 de e8 75 d7 2e 02 0f 0b 48 c7 c7 e0 12 20 85 48 89 de e8 64 d7 2e 02 <0f> 0b 48 c7 c7 40 13 20 85 48 89 de e8 53 d7 2e 02 0f 0b 00 55 48 RSP: 0018:ffffc90000e67c78 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff88810fee65e0 RCX: b2c44f56c3657c00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90000e67c98 R08: dffffc0000000000 R09: fffff520001ccec5 R10: fffff520001ccec5 R11: 1ffff920001ccec4 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88810cf88800 R15: ffff88810ff163c0 FS: 000055558da82500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9242bd4420 CR3: 00000001210bf000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400