=====================================================
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:2863
 snprintf+0x244/0x290 lib/vsprintf.c:2930
 tomoyo_print_header security/tomoyo/audit.c:165 [inline]
 tomoyo_init_log+0xd39/0x3b50 security/tomoyo/audit.c:255
 tomoyo_supervisor+0x8bd/0x2820 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:1333
 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@truncate_inode_pages_range created at:
 truncate_inode_pages_range+0x95/0x2720 mm/truncate.c:289
 truncate_inode_pages mm/truncate.c:425 [inline]
 truncate_inode_pages_final+0xf3/0x150 mm/truncate.c:464
=====================================================
Kernel panic - not syncing: panic_on_kmsan set ...
CPU: 1 PID: 6500 Comm: syz-executor.3 Tainted: G    B             5.15.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1ff/0x28e lib/dump_stack.c:106
 dump_stack+0x25/0x28 lib/dump_stack.c:113
 panic+0x44f/0xdeb kernel/panic.c:232
 kmsan_report+0x2ee/0x300 mm/kmsan/report.c:168
 __msan_warning+0xb4/0x100 mm/kmsan/instrumentation.c:199
 number+0xd27/0x24c0 lib/vsprintf.c:490
 vsnprintf+0x1f3a/0x36a0 lib/vsprintf.c:2863
 snprintf+0x244/0x290 lib/vsprintf.c:2930
 tomoyo_print_header security/tomoyo/audit.c:165 [inline]
 tomoyo_init_log+0xd39/0x3b50 security/tomoyo/audit.c:255
 tomoyo_supervisor+0x8bd/0x2820 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:1333
 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
RIP: 0033:0x7fe8c46f8a85
Code: bc ff ff ff 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 41 89 f8 89 f7 48 89 d6 41 83 f8 01 77 2a b8 05 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 03 c3 66 90 48 c7 c2 bc ff ff ff f7 d8 64 89
RSP: 002b:00007fe8c4d2fbb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000005
RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fe8c46f8a85
RDX: 00007fe8c4d2fbc0 RSI: 00007fe8c4d2fbc0 RDI: 0000000000000003
RBP: 0000000000000003 R08: 0000000000000001 R09: 00007fe8c4d30e00
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe8c4d2fbc0
R13: 00007fe8c4d30e00 R14: 0000000000000003 R15: 00007fe8c4d30e40
Kernel Offset: disabled
Rebooting in 86400 seconds..