EXT4-fs error (device loop0): htree_dirblock_to_tree:1112: inode #2: block 13: comm syz-executor413: bad entry in directory: rec_len is smaller than minimal - offset=76, inode=0, rec_len=0, size=1024 fake=0
------------[ cut here ]------------
kernel BUG at fs/namei.c:2941!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 303 Comm: syz-executor413 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:may_delete+0x727/0x730 fs/namei.c:2941
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 82 fe ff ff 48 89 df e8 6a 2b f5 ff e9 75 fe ff ff e8 e0 b8 b5 ff 0f 0b e8 d9 b8 b5 ff <0f> 0b 0f 1f 80 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 c1 b8
RSP: 0018:ffffc90000987bc8 EFLAGS: 00010293
RAX: ffffffff81b402a7 RBX: ffff8881206a3550 RCX: ffff88811d872780
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90000987c20 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000130f58 R12: 1ffff110240d46aa
R13: 0000000000000001 R14: ffff88812060dbe0 R15: dffffc0000000000
FS:  00005555869003c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000559eb54dce38 CR3: 0000000125475000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 vfs_rmdir+0x2f/0x450 fs/namei.c:4138
 incfs_kill_sb+0xfe/0x210 fs/incfs/vfs.c:1989
 deactivate_locked_super+0xa0/0x100 fs/super.c:335
 deactivate_super+0xaf/0xe0 fs/super.c:366
 cleanup_mnt+0x44f/0x500 fs/namespace.c:1149
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1156
 task_work_run+0x127/0x190 kernel/task_work.c:188
 ptrace_notify+0x230/0x270 kernel/signal.c:2392
 ptrace_report_syscall include/linux/tracehook.h:66 [inline]
 tracehook_report_syscall_exit include/linux/tracehook.h:130 [inline]
 arch_syscall_exit_tracehook include/linux/entry-common.h:297 [inline]
 syscall_exit_work+0x87/0x160 kernel/entry/common.c:262
 syscall_exit_to_user_mode_prepare+0x1c/0x20 kernel/entry/common.c:289
 __syscall_exit_to_user_mode_work kernel/entry/common.c:294 [inline]
 syscall_exit_to_user_mode+0xd/0x30 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f97d815f627
Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 64 14 09 00 00 00 00 00 eb 96 e8 91 05 00 00 90 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 d8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fffcba2f7a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f97d815f627
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffcba2f860
RBP: 00007fffcba2f860 R08: 00007fffcba30860 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffcba30950
R13: 0000555586909760 R14: 431bde82d7b634db R15: 00007fffcba319e0
 </TASK>
Modules linked in:
---[ end trace aa2daf3b015e76a9 ]---
RIP: 0010:may_delete+0x727/0x730 fs/namei.c:2941
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 82 fe ff ff 48 89 df e8 6a 2b f5 ff e9 75 fe ff ff e8 e0 b8 b5 ff 0f 0b e8 d9 b8 b5 ff <0f> 0b 0f 1f 80 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 c1 b8
RSP: 0018:ffffc90000987bc8 EFLAGS: 00010293
RAX: ffffffff81b402a7 RBX: ffff8881206a3550 RCX: ffff88811d872780
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90000987c20 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000130f58 R12: 1ffff110240d46aa
R13: 0000000000000001 R14: ffff88812060dbe0 R15: dffffc0000000000
FS:  00005555869003c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000559eb54dce38 CR3: 0000000125475000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400