EXT4-fs error (device loop1): htree_dirblock_to_tree:1092: 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:2794!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 275 Comm: syz-executor Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
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 30 01 f5 ff e9 d0 fd ff ff e8 d6 84 ba ff 0f 0b e8 cf 84 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:ffffc90000bd7ca0 EFLAGS: 00010293
RAX: ffffffff81aa3101 RBX: ffff88813067e000 RCX: ffff88812424a780
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90000bd7d20 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff5200017af78 R12: ffff888130716be8
R13: 1ffff110260cfc00 R14: ffff88813067e018 R15: ffff8881106d17a0
FS:  0000555560b48500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffbb6e58d58 CR3: 000000012489d000 CR4: 00000000003506b0
DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083
DR3: ffffffffefffff15 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
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_user_mode_loop+0xcb/0xe0 kernel/entry/common.c:172
 exit_to_user_mode_prepare+0x76/0xa0 kernel/entry/common.c:199
 syscall_exit_to_user_mode+0x1d/0x40 kernel/entry/common.c:274
 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f1869e5ef17
Code: a2 c7 05 7c 96 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:00007ffcf0cf8668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f1869e5ef17
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcf0cf8720
RBP: 00007ffcf0cf8720 R08: 00007ffcf0cf9720 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcf0cf9810
R13: 00007f1869ec771f R14: 00000000000078c5 R15: 00007ffcf0cfa8e0
Modules linked in:
---[ end trace 1f6fa37d9928bdb8 ]---
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 30 01 f5 ff e9 d0 fd ff ff e8 d6 84 ba ff 0f 0b e8 cf 84 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:ffffc90000bd7ca0 EFLAGS: 00010293
RAX: ffffffff81aa3101 RBX: ffff88813067e000 RCX: ffff88812424a780
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90000bd7d20 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff5200017af78 R12: ffff888130716be8
R13: 1ffff110260cfc00 R14: ffff88813067e018 R15: ffff8881106d17a0
FS:  0000555560b48500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffbb6e58d58 CR3: 000000012489d000 CR4: 00000000003506b0
DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083
DR3: ffffffffefffff15 DR6: 00000000fffe0ff0 DR7: 0000000000000400