=====================================================
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_path_perm+0x949/0xc40 security/tomoyo/file.c:838
 tomoyo_inode_getattr+0x54/0x60 security/tomoyo/tomoyo.c:122
 security_inode_getattr+0x1bb/0x2a0 security/security.c:1334
 vfs_getattr fs/stat.c:157 [inline]
 vfs_statx+0x286/0x860 fs/stat.c:225
 vfs_fstatat fs/stat.c:243 [inline]
 vfs_lstat include/linux/fs.h:3357 [inline]
 __do_sys_newlstat fs/stat.c:398 [inline]
 __se_sys_newlstat+0xcd/0x930 fs/stat.c:392
 __x64_sys_newlstat+0x92/0xc0 fs/stat.c:392
 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 freed created at:
 alloc_vmap_area+0xf3/0x4250
 __get_vm_area_node+0x480/0x7f0 mm/vmalloc.c:2450

CPU: 0 PID: 3520 Comm: syz-executor.0 Not tainted 5.16.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
=====================================================