=====================================================
BUG: KMSAN: uninit-value in number+0xd27/0x24c0 lib/vsprintf.c:490
 number+0xd27/0x24c0 lib/vsprintf.c:490
 vsnprintf+0x1f3a/0x36a0 lib/vsprintf.c:2871
 snprintf+0x244/0x290 lib/vsprintf.c:2938
 tomoyo_print_header security/tomoyo/audit.c:165 [inline]
 tomoyo_init_log+0xd3e/0x3b50 security/tomoyo/audit.c:255
 tomoyo_supervisor+0x8bd/0x2840 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+0x96c/0xc70 security/tomoyo/file.c:838
 tomoyo_inode_getattr+0x54/0x60 security/tomoyo/tomoyo.c:122
 security_inode_getattr+0x1bf/0x2a0 security/security.c:1334
 vfs_getattr fs/stat.c:157 [inline]
 vfs_fstat fs/stat.c:182 [inline]
 __do_sys_newfstat fs/stat.c:422 [inline]
 __se_sys_newfstat+0x130/0xb30 fs/stat.c:419
 __x64_sys_newfstat+0x92/0xc0 fs/stat.c:419
 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 pvec created at:
 truncate_inode_pages_range+0x95/0x2590 mm/truncate.c:299
 truncate_inode_pages mm/truncate.c:435 [inline]
 truncate_inode_pages_final+0x116/0x130 mm/truncate.c:474

CPU: 1 PID: 6468 Comm: syz-executor.2 Not tainted 5.16.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
=====================================================