loop7: detected capacity change from 0 to 64
hfs: keylen 9474 too large
=====================================================
BUG: KMSAN: uninit-value in hfs_brec_find+0x65e/0x980 fs/hfs/bfind.c:141
 hfs_brec_find+0x65e/0x980 fs/hfs/bfind.c:141
 hfs_brec_read+0x3f/0x1a0 fs/hfs/bfind.c:165
 hfs_cat_find_brec+0xe5/0x420 fs/hfs/catalog.c:194
 hfs_fill_super+0x6a3/0xb00 fs/hfs/super.c:350
 get_tree_bdev_flags+0x6ec/0x910 fs/super.c:1636
 get_tree_bdev+0x37/0x50 fs/super.c:1659
 hfs_get_tree+0x34/0x40 fs/hfs/super.c:388
 vfs_get_tree+0xb1/0x5a0 fs/super.c:1759
 do_new_mount+0x71f/0x15e0 fs/namespace.c:3881
 path_mount+0x742/0x1f10 fs/namespace.c:4208
 do_mount fs/namespace.c:4221 [inline]
 __do_sys_mount fs/namespace.c:4432 [inline]
 __se_sys_mount+0x71f/0x800 fs/namespace.c:4409
 __ia32_sys_mount+0xe3/0x150 fs/namespace.c:4409
 ia32_sys_call+0x2347/0x41f0 arch/x86/include/generated/asm/syscalls_32.h:22
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0xb0/0x110 arch/x86/entry/syscall_32.c:306
 do_fast_syscall_32+0x38/0x80 arch/x86/entry/syscall_32.c:331
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/syscall_32.c:369
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e

Local variable fd created at:
 hfs_fill_super+0x67/0xb00 fs/hfs/super.c:316
 get_tree_bdev_flags+0x6ec/0x910 fs/super.c:1636

CPU: 0 UID: 0 PID: 10725 Comm: syz.7.1243 Tainted: G        W           6.15.0-rc2-syzkaller-00037-g834a4a689699 #0 PREEMPT(undef) 
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
=====================================================