EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5779 at fs/crypto/fname.c:567 fscrypt_fname_siphash+0xe3/0x130 fs/crypto/fname.c:567 Modules linked in: CPU: 0 PID: 5779 Comm: syz-executor.0 Not tainted 6.10.0-rc1-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:fscrypt_fname_siphash+0xe3/0x130 fs/crypto/fname.c:567 Code: 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 80 3c 01 00 75 3f 48 8b 7b 08 48 83 c4 10 5b 5d 41 5c e9 a3 82 b7 08 e8 7e a8 78 ff 90 <0f> 0b 90 eb 93 48 89 14 24 e8 ff da d5 ff 48 8b 14 24 eb b7 e8 94 RSP: 0018:ffffc900272976d0 EFLAGS: 00010287 RAX: 00000000000008ac RBX: ffffc90027297760 RCX: ffffc9000c6f1000 RDX: 0000000000040000 RSI: ffffffff8215d6f2 RDI: 0000000000000001 RBP: ffff88802a0a7000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000002 R12: 0000000000000000 R13: ffff888028e720b0 R14: dffffc0000000000 R15: ffff88800034a0c4 FS: 0000000000000000(0000) GS:ffff88802c000000(0063) knlGS:00000000f5ed3b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000020023000 CR3: 00000000009b4000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __ext4fs_dirhash+0x3ab/0xb30 fs/ext4/hash.c:268 ext4fs_dirhash+0x241/0x2d0 fs/ext4/hash.c:322 htree_dirblock_to_tree+0x743/0xd20 fs/ext4/namei.c:1124 ext4_htree_fill_tree+0x398/0xcb0 fs/ext4/namei.c:1219 ext4_dx_readdir fs/ext4/dir.c:597 [inline] ext4_readdir+0x1ffa/0x3700 fs/ext4/dir.c:142 iterate_dir+0x53e/0xb60 fs/readdir.c:110 __do_sys_getdents64 fs/readdir.c:409 [inline] __se_sys_getdents64 fs/readdir.c:394 [inline] __ia32_sys_getdents64+0x14f/0x2e0 fs/readdir.c:394 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:386 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf72e1579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f5ed35ac EFLAGS: 00000292 ORIG_RAX: 00000000000000dc RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 ret 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi