===================================================== BUG: KMSAN: uninit-value in check_pointer lib/vsprintf.c:705 [inline] BUG: KMSAN: uninit-value in string+0x3cf/0x6f0 lib/vsprintf.c:717 check_pointer lib/vsprintf.c:705 [inline] string+0x3cf/0x6f0 lib/vsprintf.c:717 vsnprintf+0x2222/0x3650 lib/vsprintf.c:2805 seq_vprintf fs/seq_file.c:391 [inline] seq_printf+0x314/0x4f0 fs/seq_file.c:406 show_cpuinfo+0x305/0x1860 arch/x86/kernel/cpu/proc.c:68 seq_read_iter+0xaac/0x2150 fs/seq_file.c:230 proc_reg_read_iter+0x385/0x480 fs/proc/inode.c:296 do_iter_readv_writev+0xa7f/0xc70 do_iter_read+0x52c/0x14c0 fs/read_write.c:786 vfs_readv fs/read_write.c:906 [inline] do_preadv+0x45e/0x6c0 fs/read_write.c:998 __do_compat_sys_preadv fs/read_write.c:1104 [inline] __se_compat_sys_preadv fs/read_write.c:1098 [inline] __ia32_compat_sys_preadv+0x166/0x1c0 fs/read_write.c:1098 do_syscall_32_irqs_on arch/x86/entry/common.c:114 [inline] __do_fast_syscall_32+0x96/0xf0 arch/x86/entry/common.c:180 do_fast_syscall_32+0x34/0x70 arch/x86/entry/common.c:205 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:248 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c Local variable filename created at: process_measurement+0x1c5/0x38a0 security/integrity/ima/ima_main.c:209 ima_file_check+0x131/0x170 security/integrity/ima/ima_main.c:516 CPU: 0 PID: 15665 Comm: syz-executor.1 Not tainted 5.16.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 =====================================================