loop1: detected capacity change from 0 to 1024 ===================================================== BUG: KMSAN: uninit-value in hfsplus_cat_case_cmp_key+0xd9/0x190 fs/hfsplus/catalog.c:23 hfsplus_cat_case_cmp_key+0xd9/0x190 fs/hfsplus/catalog.c:23 hfs_find_rec_by_key+0xab/0x240 fs/hfsplus/bfind.c:89 __hfsplus_brec_find+0x271/0x840 fs/hfsplus/bfind.c:124 hfsplus_brec_find+0x4df/0x9f0 fs/hfsplus/bfind.c:184 hfsplus_delete_cat+0x3ff/0x13d0 fs/hfsplus/catalog.c:376 hfsplus_rmdir+0x13c/0x310 fs/hfsplus/dir.c:425 vfs_rmdir+0x5b3/0x800 fs/namei.c:4454 do_rmdir+0x87b/0xf30 fs/namei.c:4509 __do_sys_rmdir fs/namei.c:4528 [inline] __se_sys_rmdir fs/namei.c:4526 [inline] __ia32_sys_rmdir+0x70/0xa0 fs/namei.c:4526 ia32_sys_call+0x31ce/0x42c0 arch/x86/include/generated/asm/syscalls_32.h:41 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0xb0/0x110 arch/x86/entry/syscall_32.c:306 do_fast_syscall_32+0x38/0x80 arch/x86/entry/syscall_32.c:331 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/syscall_32.c:369 entry_SYSENTER_compat_after_hwframe+0x84/0x8e Uninit was created at: slab_post_alloc_hook mm/slub.c:4167 [inline] slab_alloc_node mm/slub.c:4210 [inline] __do_kmalloc_node mm/slub.c:4340 [inline] __kmalloc_noprof+0x95f/0x1310 mm/slub.c:4353 kmalloc_noprof include/linux/slab.h:909 [inline] hfsplus_find_init+0x90/0x1d0 fs/hfsplus/bfind.c:21 hfsplus_delete_cat+0xed/0x13d0 fs/hfsplus/catalog.c:340 hfsplus_rmdir+0x13c/0x310 fs/hfsplus/dir.c:425 vfs_rmdir+0x5b3/0x800 fs/namei.c:4454 do_rmdir+0x87b/0xf30 fs/namei.c:4509 __do_sys_rmdir fs/namei.c:4528 [inline] __se_sys_rmdir fs/namei.c:4526 [inline] __ia32_sys_rmdir+0x70/0xa0 fs/namei.c:4526 ia32_sys_call+0x31ce/0x42c0 arch/x86/include/generated/asm/syscalls_32.h:41 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0xb0/0x110 arch/x86/entry/syscall_32.c:306 do_fast_syscall_32+0x38/0x80 arch/x86/entry/syscall_32.c:331 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/syscall_32.c:369 entry_SYSENTER_compat_after_hwframe+0x84/0x8e CPU: 0 UID: 0 PID: 7373 Comm: syz.1.301 Not tainted 6.15.0-rc3-syzkaller-00094-g02ddfb981de8 #0 PREEMPT(undef) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 =====================================================