EXT4-fs (loop4): 1 truncate cleaned up
EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none.
------------[ cut here ]------------
WARNING: CPU: 0 PID: 21093 at fs/crypto/fname.c:567 fscrypt_fname_siphash+0xa4/0xe0 fs/crypto/fname.c:567
Modules linked in:
CPU: 0 PID: 21093 Comm: syz.4.4206 Not tainted 6.1.147-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:fscrypt_fname_siphash+0xa4/0xe0 fs/crypto/fname.c:567
Code: 48 89 d8 48 c1 e8 03 42 0f b6 04 20 84 c0 75 32 8b 33 49 83 c6 40 4c 89 f2 5b 41 5c 41 5e 41 5f e9 f1 44 11 08 e8 0c 3f 8b ff <0f> 0b eb b3 44 89 f9 80 e1 07 38 c1 7c 9e 4c 89 ff e8 46 5b db ff
RSP: 0018:ffffc90004a8ee98 EFLAGS: 00010283
RAX: ffffffff81f587d4 RBX: ffffc90004a8ef80 RCX: 0000000000080000
RDX: ffffc90010e42000 RSI: 000000000000acf6 RDI: 000000000000acf7
RBP: ffffc90004a8eff0 R08: ffff8880589dd940 R09: 0000000000000007
R10: 0000000000000006 R11: 0000000000000002 R12: dffffc0000000000
R13: 000000008d4c4d91 R14: ffff888048a110c0 R15: ffff888048a11110
FS:  00007f0dc5a936c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2a9e5d CR3: 0000000065182000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 __ext4fs_dirhash+0x932/0x1000 fs/ext4/hash.c:268
 ext4fs_dirhash+0x150/0x2d0 fs/ext4/hash.c:322
 htree_dirblock_to_tree+0x6c9/0xe70 fs/ext4/namei.c:1125
 ext4_htree_fill_tree+0x5d4/0x10e0 fs/ext4/namei.c:1220
 ext4_dx_readdir fs/ext4/dir.c:608 [inline]
 ext4_readdir+0x2cfa/0x3b60 fs/ext4/dir.c:145
 iterate_dir+0x218/0x560 fs/readdir.c:-1
 ovl_dir_read+0xfc/0x560 fs/overlayfs/readdir.c:309
 ovl_check_d_type_supported+0x95/0x100 fs/overlayfs/readdir.c:1059
 ovl_make_workdir fs/overlayfs/super.c:1406 [inline]
 ovl_get_workdir+0x50e/0x1540 fs/overlayfs/super.c:1539
 ovl_fill_super+0x1925/0x2ae0 fs/overlayfs/super.c:2095
 mount_nodev+0x52/0xe0 fs/super.c:1489
 legacy_get_tree+0xe6/0x180 fs/fs_context.c:632
 vfs_get_tree+0x88/0x270 fs/super.c:1573
 do_new_mount+0x24a/0xa40 fs/namespace.c:3063
 do_mount fs/namespace.c:3406 [inline]
 __do_sys_mount fs/namespace.c:3614 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3591
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f0dc4b8ebe9
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:00007f0dc5a93038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f0dc4db5fa0 RCX: 00007f0dc4b8ebe9
RDX: 0000200000000480 RSI: 0000200000000140 RDI: 0000000000000000
RBP: 00007f0dc4c11e19 R08: 0000200000000100 R09: 0000000000000000
R10: 0000000000200008 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0dc4db6038 R14: 00007f0dc4db5fa0 R15: 00007ffff4f35f38
 </TASK>