Author: brooks Date: Fri Jul 19 23:58:30 2019 New Revision: 350160 URL: https://svnweb.freebsd.org/changeset/base/350160
Log: Avoid copying too much from the input string. This avoids reading past the end of the static strings. On a system with bounds checking these tests fault. Reviewed by: asomers Obtained from: CheriBSD MFC after: 1 week Sponsored by: DARPA, AFRL Differential Revision: https://reviews.freebsd.org/D21004 Modified: head/lib/libc/tests/string/wcsnlen_test.c Modified: head/lib/libc/tests/string/wcsnlen_test.c ============================================================================== --- head/lib/libc/tests/string/wcsnlen_test.c Fri Jul 19 23:39:21 2019 (r350159) +++ head/lib/libc/tests/string/wcsnlen_test.c Fri Jul 19 23:58:30 2019 (r350160) @@ -65,7 +65,7 @@ test_wcsnlen(const wchar_t *s) for (i = 0; i <= 1; i++) { for (bufsize = 0; bufsize <= size + 10; bufsize++) { s1 = makebuf(bufsize * sizeof(wchar_t), i); - wmemcpy(s1, s, bufsize); + wmemcpy(s1, s, bufsize <= size ? bufsize : size); len = (size > bufsize) ? bufsize : size - 1; ATF_CHECK(wcsnlen(s1, bufsize) == len); } _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "[email protected]"
