=====================================================
BUG: KMSAN: uninit-value in __hfs_ext_read_extent fs/hfs/extent.c:160 [inline]
BUG: KMSAN: uninit-value in __hfs_ext_cache_extent+0x69f/0x7e0 fs/hfs/extent.c:179
 __hfs_ext_read_extent fs/hfs/extent.c:160 [inline]
 __hfs_ext_cache_extent+0x69f/0x7e0 fs/hfs/extent.c:179
 hfs_file_truncate+0x769/0xd30 fs/hfs/extent.c:526
 hfs_delete_inode+0x5b3/0x640 fs/hfs/inode.c:259
 hfs_remove+0x242/0x2f0 fs/hfs/dir.c:267
 vfs_unlink+0x676/0xa90 fs/namei.c:4523
 do_unlinkat+0x823/0xe20 fs/namei.c:4587
 __do_sys_unlinkat fs/namei.c:4630 [inline]
 __se_sys_unlinkat fs/namei.c:4623 [inline]
 __ia32_sys_unlinkat+0x17a/0x220 fs/namei.c:4623
 ia32_sys_call+0x1e97/0x4180 arch/x86/include/generated/asm/syscalls_32.h:302
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0xb0/0x110 arch/x86/entry/common.c:386
 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:411
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:449
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e

Uninit was created at:
 slab_post_alloc_hook mm/slub.c:4110 [inline]
 slab_alloc_node mm/slub.c:4153 [inline]
 __do_kmalloc_node mm/slub.c:4282 [inline]
 __kmalloc_noprof+0x923/0x1230 mm/slub.c:4295
 kmalloc_noprof include/linux/slab.h:905 [inline]
 hfs_find_init+0x91/0x250 fs/hfs/bfind.c:21
 hfs_file_truncate+0x3c5/0xd30 fs/hfs/extent.c:512
 hfs_delete_inode+0x5b3/0x640 fs/hfs/inode.c:259
 hfs_remove+0x242/0x2f0 fs/hfs/dir.c:267
 vfs_unlink+0x676/0xa90 fs/namei.c:4523
 do_unlinkat+0x823/0xe20 fs/namei.c:4587
 __do_sys_unlinkat fs/namei.c:4630 [inline]
 __se_sys_unlinkat fs/namei.c:4623 [inline]
 __ia32_sys_unlinkat+0x17a/0x220 fs/namei.c:4623
 ia32_sys_call+0x1e97/0x4180 arch/x86/include/generated/asm/syscalls_32.h:302
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0xb0/0x110 arch/x86/entry/common.c:386
 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:411
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:449
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e

CPU: 0 UID: 0 PID: 10601 Comm: syz.3.1053 Tainted: G        W          6.13.0-rc1-syzkaller-00001-ge70140ba0d2b #0
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
=====================================================