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23 lines
732 B
23 lines
732 B
From 522883505d3b02e3294f045f49007b61c00e2c31 Mon Sep 17 00:00:00 2001
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From: Chao Liu <liuchao173@huawei.com>
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Date: Wed, 8 Jun 2022 10:04:02 +0800
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Subject: [PATCH] check whether savedptr is NULL before invoking strlen
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savedptr can be null in musl libc, so the strlen(NULL) will segfault
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Signed-off-by: Chao Liu <liuchao173@huawei.com>
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---
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procinterrupts.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/procinterrupts.c
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+++ b/procinterrupts.c
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@@ -178,7 +178,7 @@ void init_irq_class_and_type(char *saved
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}
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#ifdef AARCH64
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- if (strlen(savedptr) > 0) {
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+ if (savedptr && strlen(savedptr) > 0) {
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snprintf(irq_fullname, PATH_MAX, "%s %s", last_token, savedptr);
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tmp = strchr(irq_fullname, '\n');
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if (tmp)
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