loop0: detected capacity change from 0 to 64
hfs: filesystem is marked locked, mounting read-only.
=====================================================
BUG: KMSAN: uninit-value in hfs_cat_keycmp+0x154/0x210 fs/hfs/catalog.c:178
 hfs_cat_keycmp+0x154/0x210 fs/hfs/catalog.c:178
 __hfs_brec_find+0x254/0x830 fs/hfs/bfind.c:75
 hfs_brec_find+0x436/0x980 fs/hfs/bfind.c:138
 hfs_brec_read+0x3f/0x1a0 fs/hfs/bfind.c:165
 hfs_cat_find_brec+0xe6/0x400 fs/hfs/catalog.c:194
 hfs_fill_super+0x1f28/0x23c0 fs/hfs/super.c:420
 mount_bdev+0x39a/0x520 fs/super.c:1679
 hfs_mount+0x4d/0x60 fs/hfs/super.c:457
 legacy_get_tree+0x114/0x290 fs/fs_context.c:662
 vfs_get_tree+0xa7/0x570 fs/super.c:1800
 do_new_mount+0x71f/0x15e0 fs/namespace.c:3472
 path_mount+0x742/0x1f10 fs/namespace.c:3799
 do_mount fs/namespace.c:3812 [inline]
 __do_sys_mount fs/namespace.c:4020 [inline]
 __se_sys_mount+0x722/0x810 fs/namespace.c:3997
 __x64_sys_mount+0xe4/0x150 fs/namespace.c:3997
 x64_sys_call+0x255a/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:166
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was created at:
 slab_post_alloc_hook mm/slub.c:3994 [inline]
 slab_alloc_node mm/slub.c:4037 [inline]
 __do_kmalloc_node mm/slub.c:4157 [inline]
 __kmalloc_noprof+0x661/0xf30 mm/slub.c:4170
 kmalloc_noprof include/linux/slab.h:685 [inline]
 hfs_find_init+0x91/0x250 fs/hfs/bfind.c:21
 hfs_fill_super+0x1eba/0x23c0 fs/hfs/super.c:417
 mount_bdev+0x39a/0x520 fs/super.c:1679
 hfs_mount+0x4d/0x60 fs/hfs/super.c:457
 legacy_get_tree+0x114/0x290 fs/fs_context.c:662
 vfs_get_tree+0xa7/0x570 fs/super.c:1800
 do_new_mount+0x71f/0x15e0 fs/namespace.c:3472
 path_mount+0x742/0x1f10 fs/namespace.c:3799
 do_mount fs/namespace.c:3812 [inline]
 __do_sys_mount fs/namespace.c:4020 [inline]
 __se_sys_mount+0x722/0x810 fs/namespace.c:3997
 __x64_sys_mount+0xe4/0x150 fs/namespace.c:3997
 x64_sys_call+0x255a/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:166
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

CPU: 1 UID: 0 PID: 5592 Comm: syz-executor.0 Not tainted 6.11.0-rc1-syzkaller-00293-gdefaf1a2113a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
=====================================================