diff options
| author | ngie <ngie@FreeBSD.org> | 2016-04-19 23:59:10 +0000 |
|---|---|---|
| committer | ngie <ngie@FreeBSD.org> | 2016-04-19 23:59:10 +0000 |
| commit | ef837f8229b78347a7fa76948f495fc09df2ec2e (patch) | |
| tree | d44877d4c066a74eb86d9c1c9d5bd17d7146407c /lib/libc/tests | |
| parent | a7d40a88c91d105dcfe2f235bc84a522bfea3de2 (diff) | |
| download | FreeBSD-src-ef837f8229b78347a7fa76948f495fc09df2ec2e.zip FreeBSD-src-ef837f8229b78347a7fa76948f495fc09df2ec2e.tar.gz | |
Make sure fmemopen succeeds in :test_append_binary_pos before calling ftell
on the FILE object
This fixes potential null pointer dereferences on failure
CID: 1254952
MFC after: 2 weeks
Reported by: Coverity
Sponsored by: EMC / Isilon Storage Division
Diffstat (limited to 'lib/libc/tests')
| -rw-r--r-- | lib/libc/tests/stdio/fmemopen2_test.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/libc/tests/stdio/fmemopen2_test.c b/lib/libc/tests/stdio/fmemopen2_test.c index c3aa6c5..a2ca325 100644 --- a/lib/libc/tests/stdio/fmemopen2_test.c +++ b/lib/libc/tests/stdio/fmemopen2_test.c @@ -250,12 +250,14 @@ ATF_TC_BODY(test_append_binary_pos, tc) FILE *fp; fp = fmemopen(NULL, 16, "ab+"); + ATF_REQUIRE(fp != NULL); ATF_REQUIRE(ftell(fp) == 0L); fclose(fp); /* Make sure that a pre-allocated buffer behaves correctly. */ char buf[] = "Hello"; fp = fmemopen(buf, sizeof(buf), "ab+"); + ATF_REQUIRE(fp != NULL); ATF_REQUIRE(ftell(fp) == strlen(buf)); fclose(fp); } |
