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- From 522883505d3b02e3294f045f49007b61c00e2c31 Mon Sep 17 00:00:00 2001
- From: Chao Liu <liuchao173@huawei.com>
- 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 <liuchao173@huawei.com>
- ---
- 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)
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