loop1: detected capacity change from 0 to 1024
overlay: filesystem on ./file0 not supported
=====================================================
BUG: KMSAN: uninit-value in case_fold fs/hfsplus/unicode.c:23 [inline]
BUG: KMSAN: uninit-value in hfsplus_strcasecmp+0x1ca/0x770 fs/hfsplus/unicode.c:47
 case_fold fs/hfsplus/unicode.c:23 [inline]
 hfsplus_strcasecmp+0x1ca/0x770 fs/hfsplus/unicode.c:47
 hfsplus_cat_case_cmp_key+0xde/0x190 fs/hfsplus/catalog.c:26
 hfs_find_rec_by_key+0xb1/0x240 fs/hfsplus/bfind.c:89
 __hfsplus_brec_find+0x26f/0x7b0 fs/hfsplus/bfind.c:124
 hfsplus_brec_find+0x445/0x970 fs/hfsplus/bfind.c:184
 hfsplus_brec_read+0x46/0x1a0 fs/hfsplus/bfind.c:211
 hfsplus_lookup+0x29a/0xef0 fs/hfsplus/dir.c:52
 __lookup_slow+0x506/0x6e0 fs/namei.c:1732
 lookup_slow+0x6a/0xd0 fs/namei.c:1749
 walk_component+0x467/0x650 fs/namei.c:2053
 lookup_last fs/namei.c:2556 [inline]
 path_lookupat+0x27d/0x6f0 fs/namei.c:2580
 filename_lookup+0x22f/0x750 fs/namei.c:2609
 user_path_at+0x85/0x390 fs/namei.c:3016
 do_fchmodat fs/open.c:699 [inline]
 __do_sys_fchmodat fs/open.c:720 [inline]
 __se_sys_fchmodat fs/open.c:717 [inline]
 __x64_sys_fchmodat+0xbe/0x2d0 fs/open.c:717
 x64_sys_call+0x3541/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:269
 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:4091 [inline]
 slab_alloc_node mm/slub.c:4134 [inline]
 __do_kmalloc_node mm/slub.c:4263 [inline]
 __kmalloc_noprof+0x661/0xf30 mm/slub.c:4276
 kmalloc_noprof include/linux/slab.h:882 [inline]
 hfsplus_find_init+0x95/0x1d0 fs/hfsplus/bfind.c:21
 hfsplus_lookup+0x102/0xef0 fs/hfsplus/dir.c:44
 __lookup_slow+0x506/0x6e0 fs/namei.c:1732
 lookup_slow+0x6a/0xd0 fs/namei.c:1749
 walk_component+0x467/0x650 fs/namei.c:2053
 lookup_last fs/namei.c:2556 [inline]
 path_lookupat+0x27d/0x6f0 fs/namei.c:2580
 filename_lookup+0x22f/0x750 fs/namei.c:2609
 user_path_at+0x85/0x390 fs/namei.c:3016
 do_fchmodat fs/open.c:699 [inline]
 __do_sys_fchmodat fs/open.c:720 [inline]
 __se_sys_fchmodat fs/open.c:717 [inline]
 __x64_sys_fchmodat+0xbe/0x2d0 fs/open.c:717
 x64_sys_call+0x3541/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:269
 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: 10814 Comm: syz.1.852 Not tainted 6.12.0-rc5-syzkaller-00299-g11066801dd4b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
=====================================================