EXT4-fs error (device loop3): htree_dirblock_to_tree:1112: inode #2: block 13: comm syz-executor: bad entry in directory: rec_len is smaller than minimal - offset=76, inode=0, rec_len=0, size=1024 fake=0
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kernel BUG at fs/namei.c:2962!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 19778 Comm: syz-executor Tainted: G        W          syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:may_delete+0x701/0x710 fs/namei.c:2962
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 84 fe ff ff 48 89 df e8 00 e7 f3 ff e9 77 fe ff ff e8 76 b1 ae ff 0f 0b e8 6f b1 ae 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:ffffc90000f37c20 EFLAGS: 00010293
RAX: ffffffff81c2bb91 RBX: ffff888118496880 RCX: ffff8881647e1440
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90000f37c88 R08: ffff888109129207 R09: 1ffff11021225240
R10: dffffc0000000000 R11: ffffed1021225241 R12: dffffc0000000000
R13: 0000000000000001 R14: ffff888133ab5690 R15: 1ffff11023092d10
FS:  0000555592a70500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000032680 CR3: 0000000109255000 CR4: 00000000003506a0
Call Trace:
 <TASK>
 vfs_rmdir+0x32/0x500 fs/namei.c:4178
 incfs_kill_sb+0x105/0x220 fs/incfs/vfs.c:1995
 deactivate_locked_super+0xb5/0x120 fs/super.c:336
 deactivate_super+0xaf/0xe0 fs/super.c:367
 cleanup_mnt+0x474/0x500 fs/namespace.c:1192
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1199
 task_work_run+0x1e1/0x250 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f4f2c99d9d7
Code: a2 c7 05 1c ed 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffc6cf3e8a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f4f2c99d9d7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc6cf3e960
RBP: 00007ffc6cf3e960 R08: 00007ffc6cf3f960 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc6cf3fa50
R13: 00007f4f2ca31f90 R14: 00000000000f740b R15: 00007ffc6cf40b20
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:may_delete+0x701/0x710 fs/namei.c:2962
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 84 fe ff ff 48 89 df e8 00 e7 f3 ff e9 77 fe ff ff e8 76 b1 ae ff 0f 0b e8 6f b1 ae 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:ffffc90000f37c20 EFLAGS: 00010293
RAX: ffffffff81c2bb91 RBX: ffff888118496880 RCX: ffff8881647e1440
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90000f37c88 R08: ffff888109129207 R09: 1ffff11021225240
R10: dffffc0000000000 R11: ffffed1021225241 R12: dffffc0000000000
R13: 0000000000000001 R14: ffff888133ab5690 R15: 1ffff11023092d10
FS:  0000555592a70500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f294b1e82f8 CR3: 0000000109255000 CR4: 00000000003506a0