diff options
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | debug/tst-chk1.c | 61 |
2 files changed, 65 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index bc2c353c2e..3e39147efa 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,7 @@ +2016-08-19 Zack Weinberg <zackw@panix.com> + + * debug/tst-chk1.c: Add tests for fortification of bcopy and bzero. + 2016-08-18 Torvald Riegel <triegel@redhat.com> [BZ #20477] diff --git a/debug/tst-chk1.c b/debug/tst-chk1.c index 4f968eee42..478c2fbb81 100644 --- a/debug/tst-chk1.c +++ b/debug/tst-chk1.c @@ -143,6 +143,11 @@ do_test (void) if (memcmp (buf, "aabcdefghi", 10)) FAIL (); + memcpy (buf, "abcdefghij", 10); + bcopy (buf, buf + 1, 9); + if (memcmp (buf, "aabcdefghi", 10)) + FAIL (); + if (mempcpy (buf + 5, "abcde", 5) != buf + 10 || memcmp (buf, "aabcdabcde", 10)) FAIL (); @@ -151,6 +156,10 @@ do_test (void) if (memcmp (buf, "aabcdabcjj", 10)) FAIL (); + bzero (buf + 8, 2); + if (memcmp (buf, "aabcdabc\0\0", 10)) + FAIL (); + strcpy (buf + 4, "EDCBA"); if (memcmp (buf, "aabcEDCBA", 10)) FAIL (); @@ -175,6 +184,11 @@ do_test (void) if (memcmp (buf, "aabcdefghi", 10)) FAIL (); + memcpy (buf, "abcdefghij", l0 + 10); + bcopy (buf, buf + 1, l0 + 9); + if (memcmp (buf, "aabcdefghi", 10)) + FAIL (); + if (mempcpy (buf + 5, "abcde", l0 + 5) != buf + 10 || memcmp (buf, "aabcdabcde", 10)) FAIL (); @@ -183,6 +197,10 @@ do_test (void) if (memcmp (buf, "aabcdabcjj", 10)) FAIL (); + bzero (buf + 8, l0 + 2); + if (memcmp (buf, "aabcdabc\0\0", 10)) + FAIL (); + strcpy (buf + 4, str1 + 5); if (memcmp (buf, "aabcEDCBA", 10)) FAIL (); @@ -214,11 +232,18 @@ do_test (void) if (memcmp (buf, "aabcEcdZY", 10)) FAIL (); + /* The following tests are supposed to succeed at all fortify + levels, even though they overflow a.buf1 into a.buf2. */ memcpy (a.buf1, "abcdefghij", l0 + 10); memmove (a.buf1 + 1, a.buf1, l0 + 9); if (memcmp (a.buf1, "aabcdefghi", 10)) FAIL (); + memcpy (a.buf1, "abcdefghij", l0 + 10); + bcopy (a.buf1, a.buf1 + 1, l0 + 9); + if (memcmp (a.buf1, "aabcdefghi", 10)) + FAIL (); + if (mempcpy (a.buf1 + 5, "abcde", l0 + 5) != a.buf1 + 10 || memcmp (a.buf1, "aabcdabcde", 10)) FAIL (); @@ -227,6 +252,10 @@ do_test (void) if (memcmp (a.buf1, "aabcdabcjj", 10)) FAIL (); + bzero (a.buf1 + 8, l0 + 2); + if (memcmp (a.buf1, "aabcdabc\0\0", 10)) + FAIL (); + #if __USE_FORTIFY_LEVEL < 2 /* The following tests are supposed to crash with -D_FORTIFY_SOURCE=2 and sufficient GCC support, as the string operations overflow @@ -285,6 +314,14 @@ do_test (void) CHK_FAIL_END CHK_FAIL_START + bcopy (buf + 1, buf + 2, 9); + CHK_FAIL_END + + CHK_FAIL_START + bcopy (buf + 1, buf + 2, l0 + 9); + CHK_FAIL_END + + CHK_FAIL_START p = (char *) mempcpy (buf + 6, "abcde", 5); CHK_FAIL_END @@ -301,6 +338,14 @@ do_test (void) CHK_FAIL_END CHK_FAIL_START + bzero (buf + 9, 2); + CHK_FAIL_END + + CHK_FAIL_START + bzero (buf + 9, l0 + 2); + CHK_FAIL_END + + CHK_FAIL_START strcpy (buf + 5, str1 + 5); CHK_FAIL_END @@ -378,6 +423,14 @@ do_test (void) CHK_FAIL_END CHK_FAIL_START + bcopy (a.buf1 + 1, a.buf1 + 2, 9); + CHK_FAIL_END + + CHK_FAIL_START + bcopy (a.buf1 + 1, a.buf1 + 2, l0 + 9); + CHK_FAIL_END + + CHK_FAIL_START p = (char *) mempcpy (a.buf1 + 6, "abcde", 5); CHK_FAIL_END @@ -393,6 +446,14 @@ do_test (void) memset (a.buf1 + 9, 'j', l0 + 2); CHK_FAIL_END + CHK_FAIL_START + bzero (a.buf1 + 9, 2); + CHK_FAIL_END + + CHK_FAIL_START + bzero (a.buf1 + 9, l0 + 2); + CHK_FAIL_END + # if __USE_FORTIFY_LEVEL >= 2 # define O 0 # else |