=====================================================
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_statx+0x288/0x880 fs/stat.c:225
 vfs_fstatat fs/stat.c:243 [inline]
 vfs_lstat include/linux/fs.h:3356 [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 blocks created at:
 ext4_mpage_readpages+0x118/0x4160 fs/ext4/readpage.c:237
 ext4_readahead+0x1d8/0x1f0 fs/ext4/inode.c:3202
=====================================================
Kernel panic - not syncing: panic_on_kmsan set ...
CPU: 1 PID: 10453 Comm: systemd-rfkill Tainted: G    B             5.15.0-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+0x2e9/0x2f0 mm/kmsan/report.c:200
 __msan_warning+0xb4/0x100 mm/kmsan/instrumentation.c:224
 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_statx+0x288/0x880 fs/stat.c:225
 vfs_fstatat fs/stat.c:243 [inline]
 vfs_lstat include/linux/fs.h:3356 [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
RIP: 0033:0x7fe5a95f9335
Code: 69 db 2b 00 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 83 ff 01 48 89 f0 77 30 48 89 c7 48 89 d6 b8 06 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 03 f3 c3 90 48 8b 15 31 db 2b 00 f7 d8 64 89
RSP: 002b:00007fffadc9e108 EFLAGS: 00000246 ORIG_RAX: 0000000000000006
RAX: ffffffffffffffda RBX: 0000564f6e1ad400 RCX: 00007fe5a95f9335
RDX: 00007fffadc9e140 RSI: 00007fffadc9e140 RDI: 0000564f6e1ac400
RBP: 00007fffadc9e200 R08: 0000000000000003 R09: 0000000000001010
R10: 0000000000000020 R11: 0000000000000246 R12: 0000564f6e1ac400
R13: 0000564f6e1ac423 R14: 0000564f6e1ac3e2 R15: 0000564f6e1ac3e6
Kernel Offset: disabled
Rebooting in 86400 seconds..