loop0: 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+0x274/0x840 fs/hfsplus/bfind.c:124 hfsplus_brec_find+0x4df/0x9f0 fs/hfsplus/bfind.c:184 hfsplus_readdir+0x3af/0x1a70 fs/hfsplus/dir.c:153 iterate_dir+0x44f/0x620 fs/readdir.c:108 __do_sys_getdents64 fs/readdir.c:410 [inline] __se_sys_getdents64+0x17e/0x550 fs/readdir.c:396 __x64_sys_getdents64+0x97/0xe0 fs/readdir.c:396 x64_sys_call+0x3a14/0x3e20 arch/x86/include/generated/asm/syscalls_64.h:218 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_post_alloc_hook mm/slub.c:4186 [inline] slab_alloc_node mm/slub.c:4229 [inline] __do_kmalloc_node mm/slub.c:4364 [inline] __kmalloc_noprof+0x95f/0x1310 mm/slub.c:4377 kmalloc_noprof include/linux/slab.h:909 [inline] hfsplus_find_init+0x90/0x1d0 fs/hfsplus/bfind.c:21 hfsplus_readdir+0x1dc/0x1a70 fs/hfsplus/dir.c:144 iterate_dir+0x44f/0x620 fs/readdir.c:108 __do_sys_getdents64 fs/readdir.c:410 [inline] __se_sys_getdents64+0x17e/0x550 fs/readdir.c:396 __x64_sys_getdents64+0x97/0xe0 fs/readdir.c:396 x64_sys_call+0x3a14/0x3e20 arch/x86/include/generated/asm/syscalls_64.h:218 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 CPU: 0 UID: 0 PID: 11288 Comm: syz.0.1470 Not tainted syzkaller #0 PREEMPT(none) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 =====================================================