1 From 522883505d3b02e3294f045f49007b61c00e2c31 Mon Sep 17 00:00:00 2001
2 From: Chao Liu <liuchao173@huawei.com>
3 Date: Wed, 8 Jun 2022 10:04:02 +0800
4 Subject: [PATCH] check whether savedptr is NULL before invoking strlen
6 savedptr can be null in musl libc, so the strlen(NULL) will segfault
8 Signed-off-by: Chao Liu <liuchao173@huawei.com>
10 procinterrupts.c | 2 +-
11 1 file changed, 1 insertion(+), 1 deletion(-)
13 --- a/procinterrupts.c
14 +++ b/procinterrupts.c
15 @@ -178,7 +178,7 @@ void init_irq_class_and_type(char *saved
19 - if (strlen(savedptr) > 0) {
20 + if (savedptr && strlen(savedptr) > 0) {
21 snprintf(irq_fullname, PATH_MAX, "%s %s", last_token, savedptr);
22 tmp = strchr(irq_fullname, '\n');