loop3: detected capacity change from 0 to 1024
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BUG: KMSAN: uninit-value in irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 include/linux/irq-entry-common.h:464
 irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 include/linux/irq-entry-common.h:464
 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
 irqentry_exit+0x7b/0x820 kernel/entry/common.c:164
 sysvec_apic_timer_interrupt+0x52/0x90 arch/x86/kernel/apic/apic.c:1061
 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:697
 char2uni+0x11b/0x1d0 fs/nls/nls_utf8.c:35
 asc2unichar fs/hfsplus/unicode.c:367 [inline]
 hfsplus_asc2uni+0x25f/0x1040 fs/hfsplus/unicode.c:458
 hfsplus_fill_cat_thread fs/hfsplus/catalog.c:185 [inline]
 hfsplus_create_cat+0x3e9/0x19c0 fs/hfsplus/catalog.c:277
 hfsplus_mknod+0x1fb/0x5f0 fs/hfsplus/dir.c:538
 hfsplus_mkdir+0x5a/0x80 fs/hfsplus/dir.c:579
 vfs_mkdir+0x653/0x9f0 fs/namei.c:5261
 filename_mkdirat+0x42f/0xa60 fs/namei.c:5294
 __do_sys_mkdirat fs/namei.c:5315 [inline]
 __se_sys_mkdirat+0x82/0x330 fs/namei.c:5312
 __x64_sys_mkdirat+0x97/0xe0 fs/namei.c:5312
 x64_sys_call+0x37fc/0x3ea0 arch/x86/include/generated/asm/syscalls_64.h:259
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x134/0x390 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Local variable u created at:
 char2uni+0x43/0x1d0 fs/nls/nls_utf8.c:32
 asc2unichar fs/hfsplus/unicode.c:367 [inline]
 hfsplus_asc2uni+0x25f/0x1040 fs/hfsplus/unicode.c:458

CPU: 0 UID: 0 PID: 8636 Comm: syz.3.368 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
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