=====================================================
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_file_ioctl+0x72/0x90 security/tomoyo/tomoyo.c:327
 security_file_ioctl+0x10a/0x210 security/security.c:1540
 __do_sys_ioctl fs/ioctl.c:868 [inline]
 __se_sys_ioctl+0x133/0x4a0 fs/ioctl.c:860
 __x64_sys_ioctl+0xd8/0x110 fs/ioctl.c:860
 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 slave_attr.irtnl_newlink created at:
 __rtnl_newlink net/core/rtnetlink.c:3254 [inline]
 rtnl_newlink+0x140/0x4440 net/core/rtnetlink.c:3506
 rtnetlink_rcv_msg+0x1449/0x18b0 net/core/rtnetlink.c:5572
=====================================================
Kernel panic - not syncing: panic_on_kmsan set ...
CPU: 1 PID: 6418 Comm: syz-executor.2 Tainted: G    B             5.15.0-rc6-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:201
 __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_file_ioctl+0x72/0x90 security/tomoyo/tomoyo.c:327
 security_file_ioctl+0x10a/0x210 security/security.c:1540
 __do_sys_ioctl fs/ioctl.c:868 [inline]
 __se_sys_ioctl+0x133/0x4a0 fs/ioctl.c:860
 __x64_sys_ioctl+0xd8/0x110 fs/ioctl.c:860
 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: 0033:0x7f7719b5c7f7
Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 04 54 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 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:00007f771a1a3758 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f7719b5c7f7
RDX: 00007f771a1a3760 RSI: 0000000000008933 RDI: 0000000000000004
RBP: 0000000000000004 R08: 0000000000008010 R09: 0000000000000006
R10: 00007f7719bb6a80 R11: 0000000000000246 R12: 00007f771a1a3760
R13: 0000000000000003 R14: 00007f771a1a37ec R15: 000000000000003e
Kernel Offset: disabled
Rebooting in 86400 seconds..