diff options
| author | Pali Rohár <pali@kernel.org> | 2021-07-23 12:14:15 +0300 |
|---|---|---|
| committer | Stefan Roese <sr@denx.de> | 2021-07-31 10:49:31 +0300 |
| commit | a18ae18a59615b1e7ff82bcf2d5740e2adbf6165 (patch) | |
| tree | e64b30e6ef7c0c075480f337e4614016aa262425 /tools | |
| parent | a107c61b4180fb5bfe7d0044a25d6db829b8b00f (diff) | |
| download | u-boot-a18ae18a59615b1e7ff82bcf2d5740e2adbf6165.tar.xz | |
tools: dumpimage: Fix crashing when trying to extract data from kwbimage
Trying to call the following command causes NULL pointer dereference in
strlen():
./tools/dumpimage -T kwbimage -o /tmp/out u-boot-spl.kwb
Fix it by checking whether params->imagename is non-NULL before calling
strlen().
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/kwbimage.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/kwbimage.c b/tools/kwbimage.c index f3b16d94ad..5410df63f5 100644 --- a/tools/kwbimage.c +++ b/tools/kwbimage.c @@ -1867,7 +1867,7 @@ static int kwbimage_generate(struct image_tool_params *params, */ static int kwbimage_check_params(struct image_tool_params *params) { - if (!strlen(params->imagename)) { + if (!params->imagename || !strlen(params->imagename)) { char *msg = "Configuration file for kwbimage creation omitted"; fprintf(stderr, "Error:%s - %s\n", params->cmdname, msg); |