From 122f6f14b135480b184091bf2037ea133beedc54 Mon Sep 17 00:00:00 2001 From: Alan Modra Date: Wed, 24 Apr 2024 09:30:24 +0930 Subject: buffer overflow in libctf tests * testsuite/libctf-regression/gzrewrite.c (main): Don't overflow "a" buffer in "after adding types" check. * testsuite/libctf-regression/zrewrite.c (main): Likewise. --- libctf/testsuite/libctf-regression/gzrewrite.c | 2 +- libctf/testsuite/libctf-regression/zrewrite.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/libctf/testsuite/libctf-regression/gzrewrite.c b/libctf/testsuite/libctf-regression/gzrewrite.c index 9972220..2e679e8 100644 --- a/libctf/testsuite/libctf-regression/gzrewrite.c +++ b/libctf/testsuite/libctf-regression/gzrewrite.c @@ -114,7 +114,7 @@ main (int argc, char *argv[]) if ((b = read_gz ("tmpdir/two.gz", &b_len)) == NULL) goto read_err; - if (memcmp (a, b, b_len) == 0) + if (a_len == b_len && memcmp (a, b, b_len) == 0) { fprintf (stderr, "gzwrites after adding types does not change the dict\n"); return 1; diff --git a/libctf/testsuite/libctf-regression/zrewrite.c b/libctf/testsuite/libctf-regression/zrewrite.c index a88c824..5e061f1 100644 --- a/libctf/testsuite/libctf-regression/zrewrite.c +++ b/libctf/testsuite/libctf-regression/zrewrite.c @@ -109,7 +109,7 @@ main (int argc, char *argv[]) b = read_file ("tmpdir/two", &b_len); - if (memcmp (a, b, b_len) == 0) + if (a_len == b_len && memcmp (a, b, b_len) == 0) { fprintf (stderr, "compress_writes after adding types does not change the dict\n"); return 1; -- cgit v1.1