From 522883505d3b02e3294f045f49007b61c00e2c31 Mon Sep 17 00:00:00 2001 From: Chao Liu Date: Wed, 8 Jun 2022 10:04:02 +0800 Subject: [PATCH] check whether savedptr is NULL before invoking strlen savedptr can be null in musl libc, so the strlen(NULL) will segfault Signed-off-by: Chao Liu --- procinterrupts.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/procinterrupts.c +++ b/procinterrupts.c @@ -178,7 +178,7 @@ void init_irq_class_and_type(char *saved } #ifdef AARCH64 - if (strlen(savedptr) > 0) { + if (savedptr && strlen(savedptr) > 0) { snprintf(irq_fullname, PATH_MAX, "%s %s", last_token, savedptr); tmp = strchr(irq_fullname, '\n'); if (tmp)