R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe2c2c8130 R13: 00007f191f231c3b R14: 000055555fd104e8 R15: 00007ffe2c2c9200 ---[ end trace 0000000000000000 ]--- list_del corruption. prev->next should be ffff8881181b2d50, but was ffff8881181b2f70. (prev=ffff8881181fbe70) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:61! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 471 Comm: syz-executor 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+0x10f/0x130 lib/list_debug.c:59 Code: e8 2e 4a 88 02 0f 0b 48 c7 c7 80 72 ca 85 48 89 de e8 1d 4a 88 02 0f 0b 48 c7 c7 e0 72 ca 85 48 89 de 4c 89 f9 e8 09 4a 88 02 <0f> 0b 48 c7 c7 60 73 ca 85 48 89 de 4c 89 f1 e8 f5 49 88 02 0f 0b RSP: 0018:ffffc90000767a48 EFLAGS: 00010246 RAX: 000000000000006d RBX: ffff8881181b2d50 RCX: 5ab9f2689ef78f00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90000767a68 R08: ffffc90000767747 R09: 1ffff920000ecee8 R10: dffffc0000000000 R11: fffff520000ecee9 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff8881181b2f70 R15: ffff8881181fbe70 FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c32a05e CR3: 000000000700f000 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+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 exit_task_work include/linux/task_work.h:39 [inline] do_exit+0xa35/0x2660 kernel/exit.c:886 do_group_exit+0x210/0x2d0 kernel/exit.c:1028 __do_sys_exit_group kernel/exit.c:1039 [inline] __se_sys_exit_group kernel/exit.c:1037 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1037 x64_sys_call+0x7b4/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f191f19bf79 Code: Unable to access opcode bytes at 0x7f191f19bf4f. RSP: 002b:00007ffe2c2c6e78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f191f231c9b RCX: 00007f191f19bf79 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000009 R08: 0000000000000000 R09: 00007f191f231c3b R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe2c2c8130 R13: 00007f191f231c3b R14: 000055555fd104e8 R15: 00007ffe2c2c9200 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 80 72 ca 85 48 89 de e8 1d 4a 88 02 0f 0b 48 c7 c7 e0 72 ca 85 48 89 de 4c 89 f9 e8 09 4a 88 02 <0f> 0b 48 c7 c7 60 73 ca 85 48 89 de 4c 89 f1 e8 f5 49 88 02 0f 0b RSP: 0018:ffffc90000767a48 EFLAGS: 00010246 RAX: 000000000000006d RBX: ffff8881181b2d50 RCX: 5ab9f2689ef78f00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90000767a68 R08: ffffc90000767747 R09: 1ffff920000ecee8 R10: dffffc0000000000 R11: fffff520000ecee9 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff8881181b2f70 R15: ffff8881181fbe70 FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c32a05e CR3: 000000000700f000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400