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authorPali Rohár <pali@kernel.org>2021-07-23 12:14:00 +0300
committerStefan Roese <sr@denx.de>2021-07-31 10:49:31 +0300
commit4efbf1c3273788b83dd1f7646d26ce9950e4b4dc (patch)
tree183b2165aa7e17243a4c5ddf2bd057c988d084a0 /tools
parent501a54a29cc20ce7df70f290fa274b8e2ea9d6f4 (diff)
downloadu-boot-4efbf1c3273788b83dd1f7646d26ce9950e4b4dc.tar.xz
tools: kwbimage: Don't crash when binary file name does not contain '/'
In the case when the file name is specified relative to the current working directory, it does not contain '/' character and strrchr() returns NULL. The following strcmp() function then crashes on NULL pointer dereference. Signed-off-by: Pali Rohár <pali@kernel.org> Reviewed-by: Marek Behún <marek.behun@nic.cz> Reviewed-by: Stefan Roese <sr@denx.de> Reviewed-by: Chris Packham <judge.packham@gmail.com> Tested-by: Chris Packham <judge.packham@gmail.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/kwbimage.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/kwbimage.c b/tools/kwbimage.c
index c65a40ecb7..724459fb8e 100644
--- a/tools/kwbimage.c
+++ b/tools/kwbimage.c
@@ -1277,7 +1277,7 @@ static void *image_create_v1(size_t *imagesz, struct image_tool_params *params,
if (e) {
char *s = strrchr(e->binary.file, '/');
- if (strcmp(s, "/binary.0") == 0)
+ if (s && strcmp(s, "/binary.0") == 0)
main_hdr->destaddr = cpu_to_le32(params->addr);
}