uclient_get_url_filename may return a null ptr resulting in a null
ptr dereference by fprintf and open
Signed-off-by: Tobias Schramm <toblemi...@gmail.com>
---
uclient-fetch.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/uclient-fetch.c b/uclient-fetch.c
index 6961d94..38c9c53 100644
--- a/uclient-fetch.c
+++ b/uclient-fetch.c
@@ -122,6 +122,11 @@ static int open_output_file(const char *path, uint64_t
resume_offset)
}
} else {
filename = uclient_get_url_filename(path, "index.html");
+ if (!filename) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
output_file = filename;
}
@@ -151,6 +156,7 @@ done:
free:
free(filename);
+out:
return ret;
}
--
2.16.1
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