loop0: detected capacity change from 0 to 64
=====================================================
BUG: KMSAN: use-after-free in hfs_cat_keycmp+0x130/0x220 fs/hfs/catalog.c:178
 hfs_cat_keycmp+0x130/0x220 fs/hfs/catalog.c:178
 __hfs_brec_find+0x263/0x8b0 fs/hfs/bfind.c:78
 hfs_brec_find+0x4c4/0x9f0 fs/hfs/bfind.c:141
 hfs_brec_read+0x3f/0x1f0 fs/hfs/bfind.c:168
 hfs_cat_find_brec+0xe9/0x430 fs/hfs/catalog.c:194
 hfs_fill_super+0x536/0xb70 fs/hfs/super.c:350
 get_tree_bdev_flags+0x6e3/0x920 fs/super.c:1692
 get_tree_bdev+0x38/0x50 fs/super.c:1715
 hfs_get_tree+0x35/0x40 fs/hfs/super.c:388
 vfs_get_tree+0xb0/0x5c0 fs/super.c:1815
 do_new_mount+0x733/0x1420 fs/namespace.c:3808
 path_mount+0x6db/0x1e90 fs/namespace.c:4123
 do_mount fs/namespace.c:4136 [inline]
 __do_sys_mount fs/namespace.c:4347 [inline]
 __se_sys_mount+0x6eb/0x7d0 fs/namespace.c:4324
 __x64_sys_mount+0xe4/0x150 fs/namespace.c:4324
 x64_sys_call+0x3604/0x3e20 arch/x86/include/generated/asm/syscalls_64.h:166
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was created at:
 slab_free_hook mm/slub.c:2343 [inline]
 slab_free_freelist_hook mm/slub.c:2446 [inline]
 slab_free_bulk mm/slub.c:4704 [inline]
 kmem_cache_free_bulk+0x341/0xf80 mm/slub.c:5283
 kfree_bulk include/linux/slab.h:794 [inline]
 kvfree_rcu_bulk+0x12d/0x570 mm/slab_common.c:1516
 kvfree_rcu_drain_ready mm/slab_common.c:1699 [inline]
 kfree_rcu_monitor+0x134d/0x14a0 mm/slab_common.c:1772
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xb8e/0x1d80 kernel/workqueue.c:3319
 worker_thread+0xedf/0x1590 kernel/workqueue.c:3400
 kthread+0xd59/0xf00 kernel/kthread.c:463
 ret_from_fork+0x1e3/0x310 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

CPU: 0 UID: 0 PID: 6609 Comm: syz.0.16 Not tainted syzkaller #0 PREEMPT(none) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
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