EXT4-fs error (device loop2): 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
EXT4-fs error (device loop2): ext4_lookup:1830: inode #11: comm syz-executor: iget: bad extended attribute block 393216
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kernel BUG at fs/namei.c:2794!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 364 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
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 a6 7f ba ff 0f 0b e8 9f 7f 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:ffffc90000c677d8 EFLAGS: 00010293
RAX: ffffffff81aa4631 RBX: ffff88810d330440 RCX: ffff88810cf63b40
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90000c67858 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff5200018cee0 R12: ffff888121934e60
R13: 1ffff11021a66088 R14: ffff88810d330458 R15: ffff88812190d7a0
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc4e929ff0 CR3: 000000010d4db000 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+0xa87/0x2500 kernel/exit.c:873
 do_group_exit+0x141/0x310 kernel/exit.c:987
 get_signal+0xf7d/0x12e0 kernel/signal.c:2793
 arch_do_signal_or_restart+0xe2/0x11d0 arch/x86/kernel/signal.c:805
 handle_signal_work kernel/entry/common.c:145 [inline]
 exit_to_user_mode_loop+0xa2/0xe0 kernel/entry/common.c:169
 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: 0033:0x7feb8adfa097
Code: Unable to access opcode bytes at RIP 0x7feb8adfa06d.
RSP: 002b:00007ffc4e92a648 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: ffffffffffffff8b RBX: 00007feb8ae8e1ca RCX: 00007feb8adfa097
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc4e92a700
RBP: 00007ffc4e92a700 R08: 00007ffc4e92b700 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc4e92b7f0
R13: 00007feb8ae8e1ca R14: 000000000000718d R15: 00007ffc4e92c8c0
Modules linked in:
---[ end trace 5e8c10aeaea54455 ]---
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 a6 7f ba ff 0f 0b e8 9f 7f 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:ffffc90000c677d8 EFLAGS: 00010293
RAX: ffffffff81aa4631 RBX: ffff88810d330440 RCX: ffff88810cf63b40
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90000c67858 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff5200018cee0 R12: ffff888121934e60
R13: 1ffff11021a66088 R14: ffff88810d330458 R15: ffff88812190d7a0
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc4e929ff0 CR3: 000000010d4db000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400