EXT4-fs (loop2): mounted filesystem without journal. Opts: test_dummy_encryption,journal_ioprio=0x0000000000000001,stripe=0x0000000000000000,,errors=continue. Quota mode: none.
fscrypt: AES-256-CTS-CBC using implementation "cts-cbc-aes-aesni"
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WARNING: CPU: 0 PID: 9660 at fs/crypto/fname.c:543 fscrypt_fname_siphash+0xb9/0xf0
Modules linked in:
CPU: 0 PID: 9660 Comm: syz.2.1491 Not tainted 5.15.171-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:fscrypt_fname_siphash+0xb9/0xf0 fs/crypto/fname.c:543
Code: 42 0f b6 04 28 84 c0 75 38 41 8b 34 24 49 83 c6 40 4c 89 ff 4c 89 f2 5b 41 5c 41 5d 41 5e 41 5f e9 dc 0c 40 02 e8 67 9b 92 ff <0f> 0b eb aa 89 d9 80 e1 07 38 c1 7c 8c 48 89 df e8 b2 72 dc ff eb
RSP: 0018:ffffc90003017470 EFLAGS: 00010287
RAX: ffffffff81edd849 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc90003aac000 RSI: 000000000000012a RDI: 000000000000012b
RBP: ffffc90003017630 R08: ffffffff81edd7ee R09: ffffffff82199039
R10: 0000000000000007 R11: ffff888022bf3b80 R12: ffffc900030175c0
R13: dffffc0000000000 R14: ffff8880767d4000 R15: ffff8880261fa088
FS:  00007fe69ca8f6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb7545403b0 CR3: 0000000079336000 CR4: 00000000003506e0
DR0: 0000000000000003 DR1: 0000000000000004 DR2: 0000000100000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __ext4fs_dirhash+0xdd2/0x14c0 fs/ext4/hash.c:268
 ext4fs_dirhash+0x1b8/0x320 fs/ext4/hash.c:322
 htree_dirblock_to_tree+0x723/0x10d0 fs/ext4/namei.c:1125
 ext4_htree_fill_tree+0x73d/0x13f0 fs/ext4/namei.c:1220
 ext4_dx_readdir fs/ext4/dir.c:606 [inline]
 ext4_readdir+0x2f8e/0x3970 fs/ext4/dir.c:142
 iterate_dir+0x224/0x570
 __do_sys_getdents64 fs/readdir.c:369 [inline]
 __se_sys_getdents64+0x209/0x4f0 fs/readdir.c:354
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fe69e617719
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe69ca8f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 00007fe69e7cef80 RCX: 00007fe69e617719
RDX: 0000000000000fed RSI: 0000000020000f80 RDI: 0000000000000004
RBP: 00007fe69e68a39e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe69e7cef80 R15: 00007ffee5fd8128
 </TASK>