hfs: keylen 94 too large ===================================================== BUG: KMSAN: uninit-value in hfs_brec_find+0x6ff/0x9f0 fs/hfs/bfind.c:141 hfs_brec_find+0x6ff/0x9f0 fs/hfs/bfind.c:141 hfs_brec_read+0x3f/0x1f0 fs/hfs/bfind.c:165 hfs_lookup+0x1cc/0x410 fs/hfs/dir.c:32 __lookup_slow+0x560/0x760 fs/namei.c:1817 lookup_slow+0x6a/0xd0 fs/namei.c:1834 walk_component+0x444/0x650 fs/namei.c:2138 lookup_last fs/namei.c:2636 [inline] path_lookupat+0x251/0x6b0 fs/namei.c:2660 do_o_path+0x58/0x290 fs/namei.c:4010 path_openat+0x4c21/0x6760 fs/namei.c:4032 do_filp_open+0x280/0x660 fs/namei.c:4066 do_sys_openat2+0x1bb/0x2f0 fs/open.c:1429 do_sys_open fs/open.c:1444 [inline] __do_sys_openat fs/open.c:1460 [inline] __se_sys_openat fs/open.c:1455 [inline] __x64_sys_openat+0x240/0x300 fs/open.c:1455 x64_sys_call+0x213/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:258 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd9/0x1b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Local variable fd created at: hfs_lookup+0x5c/0x410 fs/hfs/dir.c:24 __lookup_slow+0x560/0x760 fs/namei.c:1817 CPU: 1 UID: 0 PID: 6166 Comm: syz.0.45 Not tainted 6.15.0-rc3-syzkaller-00094-g02ddfb981de8 #0 PREEMPT(undef) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 =====================================================