RBP: 00007f6450e61bd9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6451045218 R14: 00007f6451045180 R15: 00007ffcc167cad8
---[ end trace ecd6714f65b27e75 ]---
list_del corruption. prev->next should be ffff88810d2dfe60, but was ffff88810d2dfc40
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:61!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 2946 Comm: syz.7.714 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+0x10c/0x120 lib/list_debug.c:59
Code: 48 89 de e8 56 87 38 02 0f 0b 48 c7 c7 e0 83 40 85 48 89 de e8 45 87 38 02 0f 0b 48 c7 c7 40 84 40 85 48 89 de e8 34 87 38 02 <0f> 0b 48 c7 c7 a0 84 40 85 48 89 de e8 23 87 38 02 0f 0b 00 55 48
RSP: 0018:ffffc90000c27798 EFLAGS: 00010246
RAX: 0000000000000054 RBX: ffff88810d2dfe60 RCX: abca8094aa42d000
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90000c277b8 R08: ffff8881f7152fbf R09: 1ffff1103ee2a5f7
R10: dffffc0000000000 R11: ffffed103ee2a5f8 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff88810d2dfc40 R15: ffff88811c9ca4d0
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd8ce163b8 CR3: 000000010d4e2000 CR4: 00000000003506a0
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
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xa90/0x2500 kernel/exit.c:872
 do_group_exit+0x141/0x310 kernel/exit.c:986
 get_signal+0xf7d/0x12e0 kernel/signal.c:2793
 arch_do_signal_or_restart+0xe2/0x11d0 arch/x86/kernel/signal.c:805
 handle_signal_work kernel/entry/common.c:145 [inline]
 exit_to_user_mode_loop+0xa2/0xe0 kernel/entry/common.c:169
 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: 0033:0x7f6450d8bfce
Code: Unable to access opcode bytes at RIP 0x7f6450d8bfa4.
RSP: 002b:00007f644f7e3f58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6
RAX: fffffffffffffdfc RBX: 00007f644f7e46c0 RCX: 00007f6450d8bfce
RDX: 00007f644f7e3fb0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f6450e61bd9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6451045218 R14: 00007f6451045180 R15: 00007ffcc167cad8
Modules linked in:
---[ end trace ecd6714f65b27e76 ]---
RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59
Code: 48 89 de e8 56 87 38 02 0f 0b 48 c7 c7 e0 83 40 85 48 89 de e8 45 87 38 02 0f 0b 48 c7 c7 40 84 40 85 48 89 de e8 34 87 38 02 <0f> 0b 48 c7 c7 a0 84 40 85 48 89 de e8 23 87 38 02 0f 0b 00 55 48
RSP: 0018:ffffc90000c27798 EFLAGS: 00010246
RAX: 0000000000000054 RBX: ffff88810d2dfe60 RCX: abca8094aa42d000
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90000c277b8 R08: ffff8881f7152fbf R09: 1ffff1103ee2a5f7
R10: dffffc0000000000 R11: ffffed103ee2a5f8 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff88810d2dfc40 R15: ffff88811c9ca4d0
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd8ce163b8 CR3: 000000010d4e2000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400