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_check_open_permission+0x72b/0xe10 security/tomoyo/file.c:777 tomoyo_file_open+0x24f/0x2d0 security/tomoyo/tomoyo.c:311 security_file_open+0xb1/0x1f0 security/security.c:1635 do_dentry_open+0x4e4/0x1bf0 fs/open.c:809 vfs_open+0xaf/0xe0 fs/open.c:957 do_open fs/namei.c:3426 [inline] path_openat+0x52f1/0x5dd0 fs/namei.c:3559 do_filp_open+0x306/0x760 fs/namei.c:3586 do_sys_openat2+0x263/0x8f0 fs/open.c:1212 do_sys_open fs/open.c:1228 [inline] __do_sys_open fs/open.c:1236 [inline] __se_sys_open fs/open.c:1232 [inline] __x64_sys_open+0x314/0x380 fs/open.c:1232 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 indices created at: truncate_inode_pages_range+0xae/0x2590 mm/truncate.c:300 truncate_inode_pages mm/truncate.c:435 [inline] truncate_inode_pages_final+0x116/0x130 mm/truncate.c:474 ===================================================== CPU: 0 PID: 2902 Comm: systemd-udevd Tainted: G B 5.16.0-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+0x467/0xe03 kernel/panic.c:232 kmsan_report+0x2e9/0x2f0 mm/kmsan/report.c:205 __msan_warning+0xb4/0x100 mm/kmsan/instrumentation.c:222 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_check_open_permission+0x72b/0xe10 security/tomoyo/file.c:777 tomoyo_file_open+0x24f/0x2d0 security/tomoyo/tomoyo.c:311 security_file_open+0xb1/0x1f0 security/security.c:1635 do_dentry_open+0x4e4/0x1bf0 fs/open.c:809 vfs_open+0xaf/0xe0 fs/open.c:957 do_open fs/namei.c:3426 [inline] path_openat+0x52f1/0x5dd0 fs/namei.c:3559 do_filp_open+0x306/0x760 fs/namei.c:3586 do_sys_openat2+0x263/0x8f0 fs/open.c:1212 do_sys_open fs/open.c:1228 [inline] __do_sys_open fs/open.c:1236 [inline] __se_sys_open fs/open.c:1232 [inline] __x64_sys_open+0x314/0x380 fs/open.c:1232 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: 0033:0x7f1ae7f2a6f0 Code: 00 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 83 3d 19 30 2c 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 fe 9d 01 00 48 89 04 24 RSP: 002b:00007ffdc0a39638 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 000055b45aa86dc0 RCX: 00007f1ae7f2a6f0 RDX: 00000000000001b6 RSI: 0000000000080000 RDI: 00007ffdc0a397e0 RBP: 0000000000000008 R08: 0000000000000008 R09: 0000000000000001 R10: 0000000000080000 R11: 0000000000000246 R12: 000055b45907568a R13: 0000000000000001 R14: 000055b45aa8db25 R15: 00007ffdc0a39840 Kernel Offset: disabled Rebooting in 86400 seconds..