loop2: detected capacity change from 0 to 64
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BUG: KMSAN: uninit-value in __hfs_ext_read_extent fs/hfs/extent.c:160 [inline]
BUG: KMSAN: uninit-value in hfs_free_fork+0x6b4/0xa50 fs/hfs/extent.c:320
 __hfs_ext_read_extent fs/hfs/extent.c:160 [inline]
 hfs_free_fork+0x6b4/0xa50 fs/hfs/extent.c:320
 hfs_cat_delete+0x501/0xb90 fs/hfs/catalog.c:247
 hfs_remove fs/hfs/dir.c:262 [inline]
 hfs_rename+0x1d3/0x500 fs/hfs/dir.c:294
 vfs_rename+0x1d9d/0x2280 fs/namei.c:4966
 do_renameat2+0x18cc/0x1d50 fs/namei.c:5123
 __do_sys_rename fs/namei.c:5170 [inline]
 __se_sys_rename fs/namei.c:5168 [inline]
 __x64_sys_rename+0xe8/0x140 fs/namei.c:5168
 x64_sys_call+0x1e4d/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:83
 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_free_fork+0x3bb/0xa50 fs/hfs/extent.c:316
 hfs_cat_delete+0x501/0xb90 fs/hfs/catalog.c:247
 hfs_remove fs/hfs/dir.c:262 [inline]
 hfs_rename+0x1d3/0x500 fs/hfs/dir.c:294
 vfs_rename+0x1d9d/0x2280 fs/namei.c:4966
 do_renameat2+0x18cc/0x1d50 fs/namei.c:5123
 __do_sys_rename fs/namei.c:5170 [inline]
 __se_sys_rename fs/namei.c:5168 [inline]
 __x64_sys_rename+0xe8/0x140 fs/namei.c:5168
 x64_sys_call+0x1e4d/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:83
 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: 0 UID: 0 PID: 19995 Comm: syz.2.3754 Not tainted 6.11.0-rc2-syzkaller-00239-g34ac1e82e5a7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
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