RBP: 0000000000000009 R08: 00007fffd2120967 R09: 00007fffd2123e80 R10: 0000000000000009 R11: 0000000000000246 R12: 00007fffd2123e80 R13: 00007f3edf611d7d R14: 00005555853ac4a8 R15: 00007fffd2124f50 ---[ end trace 0000000000000000 ]--- list_del corruption. prev->next should be ffff88813591b3c0, but was ffff88813591b800. (prev=ffff888117d894d0) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:61! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 284 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:__list_del_entry_valid+0x10f/0x130 lib/list_debug.c:59 Code: e8 2e c9 80 02 0f 0b 48 c7 c7 a0 15 aa 85 48 89 de e8 1d c9 80 02 0f 0b 48 c7 c7 00 16 aa 85 48 89 de 4c 89 f9 e8 09 c9 80 02 <0f> 0b 48 c7 c7 80 16 aa 85 48 89 de 4c 89 f1 e8 f5 c8 80 02 0f 0b RSP: 0018:ffffc9000daefa48 EFLAGS: 00010246 RAX: 000000000000006d RBX: ffff88813591b3c0 RCX: 6061eb2854a2b000 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc9000daefa68 R08: dffffc0000000000 R09: fffff52001b5dee9 R10: fffff52001b5dee9 R11: 1ffff92001b5dee8 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88813591b800 R15: ffff888117d894d0 FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c322f8c CR3: 000000011d587000 CR4: 00000000003526a0 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+0x45f/0x4e0 fs/namespace.c:1182 __cleanup_mnt+0x19/0x20 fs/namespace.c:1189 task_work_run+0x1db/0x240 kernel/task_work.c:203 exit_task_work include/linux/task_work.h:39 [inline] do_exit+0xa25/0x2650 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:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f3edf58efc9 Code: Unable to access opcode bytes at 0x7f3edf58ef9f. RSP: 002b:00007fffd2122bc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f3edf611ddd RCX: 00007f3edf58efc9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000009 R08: 00007fffd2120967 R09: 00007fffd2123e80 R10: 0000000000000009 R11: 0000000000000246 R12: 00007fffd2123e80 R13: 00007f3edf611d7d R14: 00005555853ac4a8 R15: 00007fffd2124f50 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid+0x10f/0x130 lib/list_debug.c:59 Code: e8 2e c9 80 02 0f 0b 48 c7 c7 a0 15 aa 85 48 89 de e8 1d c9 80 02 0f 0b 48 c7 c7 00 16 aa 85 48 89 de 4c 89 f9 e8 09 c9 80 02 <0f> 0b 48 c7 c7 80 16 aa 85 48 89 de 4c 89 f1 e8 f5 c8 80 02 0f 0b RSP: 0018:ffffc9000daefa48 EFLAGS: 00010246 RAX: 000000000000006d RBX: ffff88813591b3c0 RCX: 6061eb2854a2b000 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc9000daefa68 R08: dffffc0000000000 R09: fffff52001b5dee9 R10: fffff52001b5dee9 R11: 1ffff92001b5dee8 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88813591b800 R15: ffff888117d894d0 FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c322f8c CR3: 000000011d587000 CR4: 00000000003526a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400