EXT4-fs warning (device loop3): ext4_empty_dir:3147: inode #11: comm syz-executor: directory missing '.' EXT4-fs warning (device loop3): ext4_empty_dir:3147: inode #11: comm syz-executor: directory missing '.' ------------[ cut here ]------------ kernel BUG at fs/namei.c:2954! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 287 Comm: syz-executor Not tainted 6.1.138-syzkaller-00046-gdb710ea87c32 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:may_delete+0x701/0x710 fs/namei.c:2954 Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 84 fe ff ff 48 89 df e8 30 19 f4 ff e9 77 fe ff ff e8 c6 c0 af ff 0f 0b e8 bf c0 af ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 55 48 89 e5 41 56 53 RSP: 0018:ffffc9000db5faa0 EFLAGS: 00010293 RAX: ffffffff81c03051 RBX: ffff888133323cc0 RCX: ffff88810cf32880 RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000 RBP: ffffc9000db5fb08 R08: 0000000000000004 R09: 0000000000000003 R10: fffff52001b6bf34 R11: 1ffff92001b6bf34 R12: dffffc0000000000 R13: 0000000000000001 R14: ffff88810df5df10 R15: 1ffff11026664798 FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4f89fd5000 CR3: 00000001325e0000 CR4: 00000000003526a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vfs_rmdir+0x32/0x500 fs/namei.c:4170 incfs_kill_sb+0x105/0x220 fs/incfs/vfs.c:1995 deactivate_locked_super+0xb5/0x120 fs/super.c:334 deactivate_super+0xaf/0xe0 fs/super.c:365 cleanup_mnt+0x45f/0x4e0 fs/namespace.c:1186 __cleanup_mnt+0x19/0x20 fs/namespace.c:1193 task_work_run+0x1db/0x240 kernel/task_work.c:203 exit_task_work include/linux/task_work.h:39 [inline] do_exit+0xa1d/0x2650 kernel/exit.c:877 do_group_exit+0x210/0x2d0 kernel/exit.c:1027 __do_sys_exit_group kernel/exit.c:1038 [inline] __se_sys_exit_group kernel/exit.c:1036 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1036 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: 0033:0x7f251498e969 Code: Unable to access opcode bytes at 0x7f251498e93f. RSP: 002b:00007ffd429835f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f2514a10921 RCX: 00007f251498e969 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000027 R08: 00007ffd42981396 R09: 00007ffd429848b0 R10: 000000000000000a R11: 0000000000000246 R12: 00007ffd429848b0 R13: 00007f2514a1089d R14: 000055559116c4a8 R15: 00007ffd42986a70 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:may_delete+0x701/0x710 fs/namei.c:2954 Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 84 fe ff ff 48 89 df e8 30 19 f4 ff e9 77 fe ff ff e8 c6 c0 af ff 0f 0b e8 bf c0 af ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 55 48 89 e5 41 56 53 RSP: 0018:ffffc9000db5faa0 EFLAGS: 00010293 RAX: ffffffff81c03051 RBX: ffff888133323cc0 RCX: ffff88810cf32880 RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000 RBP: ffffc9000db5fb08 R08: 0000000000000004 R09: 0000000000000003 R10: fffff52001b6bf34 R11: 1ffff92001b6bf34 R12: dffffc0000000000 R13: 0000000000000001 R14: ffff88810df5df10 R15: 1ffff11026664798 FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4f8b1b5000 CR3: 00000001325e0000 CR4: 00000000003526b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400