=====================================================
BUG: KMSAN: uninit-value in number+0x851/0x23d0 lib/vsprintf.c:490
 number+0x851/0x23d0 lib/vsprintf.c:490
 vsnprintf+0x1f0d/0x3650 lib/vsprintf.c:2871
 snprintf+0x24a/0x290 lib/vsprintf.c:2938
 tomoyo_print_header security/tomoyo/audit.c:165 [inline]
 tomoyo_init_log+0xd1f/0x3ad0 security/tomoyo/audit.c:255
 tomoyo_supervisor+0x8c0/0x27a0 security/tomoyo/common.c:2097
 tomoyo_audit_path_log security/tomoyo/file.c:168 [inline]
 tomoyo_path_permission security/tomoyo/file.c:587 [inline]
 tomoyo_check_open_permission+0x726/0xe00 security/tomoyo/file.c:777
 tomoyo_bprm_check_security+0x13d/0x2b0 security/tomoyo/tomoyo.c:109
 security_bprm_check+0xaa/0x1e0 security/security.c:866
 search_binary_handler fs/exec.c:1711 [inline]
 exec_binprm+0x317/0x18d0 fs/exec.c:1764
 bprm_execve+0xb57/0xef0 fs/exec.c:1833
 do_execveat_common+0x16ec/0x1910 fs/exec.c:1922
 do_execve fs/exec.c:1990 [inline]
 __do_sys_execve fs/exec.c:2066 [inline]
 __se_sys_execve fs/exec.c:2061 [inline]
 __x64_sys_execve+0x127/0x180 fs/exec.c:2061
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x54/0xd0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x44/0xae

Local variable filename created at:
 process_measurement+0x1c5/0x38a0 security/integrity/ima/ima_main.c:209
 ima_file_check+0x131/0x170 security/integrity/ima/ima_main.c:516

CPU: 1 PID: 14811 Comm: syz-executor576 Not tainted 5.16.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
=====================================================