EXT4-fs warning (device loop7): __ext4fs_dirhash:270: inode #2: comm syz-executor: Siphash requires key
EXT4-fs warning (device loop7): __ext4fs_dirhash:270: inode #2: comm syz-executor: Siphash requires key
EXT4-fs warning (device loop7): __ext4fs_dirhash:270: inode #2: comm syz-executor: Siphash requires key
EXT4-fs warning (device loop7): __ext4fs_dirhash:270: inode #17: comm syz-executor: Siphash requires key
EXT4-fs warning (device loop7): __ext4fs_dirhash:270: inode #17: comm syz-executor: Siphash requires key
------------[ cut here ]------------
kernel BUG at fs/namei.c:2794!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 2069 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
RIP: 0010:may_delete+0x7b1/0x7c0 fs/namei.c:2794
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c dd fd ff ff 48 89 df e8 f0 01 f5 ff e9 d0 fd ff ff e8 46 80 ba ff 0f 0b e8 3f 80 ba 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:ffffc90002dbfb18 EFLAGS: 00010293
RAX: ffffffff81aa3551 RBX: ffff888131b49000 RCX: ffff88811cb793c0
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90002dbfb98 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff520005b7f48 R12: ffff88811c44c290
R13: 1ffff11026369200 R14: ffff888131b49018 R15: ffff8881319297a0
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7d1fb90000 CR3: 000000010cd08000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 vfs_rmdir+0x2c/0x3e0 fs/namei.c:3841
 incfs_kill_sb+0xfe/0x210 fs/incfs/vfs.c:1973
 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
 __do_sys_exit_group kernel/exit.c:997 [inline]
 __se_sys_exit_group kernel/exit.c:995 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:995
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f22ff4c8819
Code: Unable to access opcode bytes at RIP 0x7f22ff4c87ef.
RSP: 002b:00007ffecf8f2d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f22ff55e06d RCX: 00007f22ff4c8819
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000002 R08: 0000000000000000 R09: 00007f22ff55e048
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffecf8f3fe0
R13: 00007f22ff55e048 R14: 000000000001fc7c R15: 00007ffecf8f50b0
Modules linked in:
---[ end trace 8f8a89b92e44e01e ]---
RIP: 0010:may_delete+0x7b1/0x7c0 fs/namei.c:2794
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c dd fd ff ff 48 89 df e8 f0 01 f5 ff e9 d0 fd ff ff e8 46 80 ba ff 0f 0b e8 3f 80 ba 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:ffffc90002dbfb18 EFLAGS: 00010293
RAX: ffffffff81aa3551 RBX: ffff888131b49000 RCX: ffff88811cb793c0
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90002dbfb98 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff520005b7f48 R12: ffff88811c44c290
R13: 1ffff11026369200 R14: ffff888131b49018 R15: ffff8881319297a0
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f52730c0bd0 CR3: 000000010dc70000 CR4: 00000000003506a0
DR0: 0000000000000004 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600