On 08.07.21 19:30, Marek Behún wrote:
From: Pali Rohár <p...@kernel.org>
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 <p...@kernel.org>
Reviewed-by: Marek Behún <marek.be...@nic.cz>
Reviewed-by: Stefan Roese <s...@denx.de>
Thanks,
Stefan
---
tools/kwbimage.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/kwbimage.c b/tools/kwbimage.c
index 44bf5ee026..c08fb678d4 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);
}
Viele Grüße,
Stefan
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