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WARNING: CPU: 0 PID: 6105 at fs/crypto/fname.c:543 fscrypt_fname_siphash+0xb9/0xf0
Modules linked in:

CPU: 0 PID: 6105 Comm: syz.3.479 Not tainted 5.15.168-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 bc 58 40 02 e8 67 a9 92 ff <0f> 0b eb aa 89 d9 80 e1 07 38 c1 7c 8c 48 89 df e8 f2 72 dc ff eb
RSP: 0018:ffffc90003027470 EFLAGS: 00010283
RAX: ffffffff81edc9c9 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc90004a01000 RSI: 00000000000000cd RDI: 00000000000000ce
RBP: ffffc90003027630 R08: ffffffff81edc96e R09: ffffffff821981b9
R10: 0000000000000007 R11: ffff88801a380000 R12: ffffc900030275c0
R13: dffffc0000000000 R14: ffff88806175b0c0 R15: ffff88805c5e8c98
FS:  00007efdc92276c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff5e20d1d60 CR3: 000000007e35e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
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: 0033:0x7efdcadaeff9
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:00007efdc9227038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 00007efdcaf66f80 RCX: 00007efdcadaeff9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007efdcae21296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007efdcaf66f80 R15: 00007ffdad0518c8
 </TASK>