=====================================================
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+0x82/0xa00 kernel/entry/common.c:164
 sysvec_call_function_single+0x4f/0x90 arch/x86/kernel/smp.c:267
 asm_sysvec_call_function_single+0x1f/0x30 arch/x86/include/asm/idtentry.h:704
 string_nocheck lib/vsprintf.c:655 [inline]
 string+0x336/0x530 lib/vsprintf.c:737
 vsnprintf+0x13f7/0x1b00 lib/vsprintf.c:2948
 tomoyo_supervisor+0x20b/0x30e0 security/tomoyo/common.c:2204
 tomoyo_audit_path_log security/tomoyo/file.c:169 [inline]
 tomoyo_path_permission security/tomoyo/file.c:592 [inline]
 tomoyo_path_perm+0x5f8/0x9a0 security/tomoyo/file.c:843
 tomoyo_inode_getattr+0x35/0x40 security/tomoyo/tomoyo.c:123
 security_inode_getattr+0x16e/0x590 security/security.c:1895
 vfs_getattr fs/stat.c:259 [inline]
 vfs_fstat fs/stat.c:281 [inline]
 __do_sys_newfstat fs/stat.c:551 [inline]
 __se_sys_newfstat+0xd5/0xa60 fs/stat.c:546
 __x64_sys_newfstat+0x78/0xb0 fs/stat.c:546
 x64_sys_call+0x2f28/0x3ea0 arch/x86/include/generated/asm/syscalls_64.h:6
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15d/0x3c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Local variable spec created at:
 vsnprintf+0x4a/0x1b00 lib/vsprintf.c:2867
 tomoyo_supervisor+0x20b/0x30e0 security/tomoyo/common.c:2204

CPU: 0 UID: 0 PID: 6462 Comm: udevadm Not tainted syzkaller #0 PREEMPT(lazy) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
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