=====================================================
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_number_log security/tomoyo/file.c:235 [inline]
 tomoyo_path_number_perm+0x8be/0xb00 security/tomoyo/file.c:734
 tomoyo_path_mkdir+0x106/0x190 security/tomoyo/tomoyo.c:166
 security_path_mkdir+0x232/0x320 security/security.c:1140
 do_mkdirat+0x2cb/0x900 fs/namei.c:3907
 __do_sys_mkdir fs/namei.c:3931 [inline]
 __se_sys_mkdir fs/namei.c:3929 [inline]
 __x64_sys_mkdir+0xe9/0x130 fs/namei.c:3929
 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 plug created at:
 __ext4_get_inode_loc+0xbc/0x1e30 fs/ext4/inode.c:4250
 ext4_get_inode_loc fs/ext4/inode.c:4396 [inline]
 ext4_reserve_inode_write+0x20d/0x650 fs/ext4/inode.c:5702
=====================================================
Kernel panic - not syncing: panic_on_kmsan set ...
CPU: 0 PID: 6399 Comm: syz-executor.3 Tainted: G    B             5.15.0-rc7-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:196
 __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_number_log security/tomoyo/file.c:235 [inline]
 tomoyo_path_number_perm+0x8be/0xb00 security/tomoyo/file.c:734
 tomoyo_path_mkdir+0x106/0x190 security/tomoyo/tomoyo.c:166
 security_path_mkdir+0x232/0x320 security/security.c:1140
 do_mkdirat+0x2cb/0x900 fs/namei.c:3907
 __do_sys_mkdir fs/namei.c:3931 [inline]
 __se_sys_mkdir fs/namei.c:3929 [inline]
 __x64_sys_mkdir+0xe9/0x130 fs/namei.c:3929
 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: 0033:0x7f7a7151dbf7
Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffeead0baa8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007ffeead0bb30 RCX: 00007f7a7151dbf7
RDX: 0000000000000000 RSI: 00000000000001ff RDI: 00007ffeead0bb30
RBP: 00007ffeead0bb0c R08: 0000000000000000 R09: 0000000000000004
R10: 00007ffeead0b846 R11: 0000000000000202 R12: 0000000000000032
R13: 00000000000747ae R14: 0000000000000002 R15: 00007ffeead0bb70
Kernel Offset: disabled
Rebooting in 86400 seconds..