diff options
| author | Andreas Schwab <schwab@suse.de> | 2015-02-26 14:55:24 +0100 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2015-07-20 22:19:12 -0400 |
| commit | fe7b1136e5753c85b3ccc8395dfc66b82052d73c (patch) | |
| tree | fa77356b4ced163fa3db6a542aec74709c74fa38 | |
| parent | d679497db20c23e3aaaa150821ce9134cc666a18 (diff) | |
| download | glibc-fe7b1136e5753c85b3ccc8395dfc66b82052d73c.tar glibc-fe7b1136e5753c85b3ccc8395dfc66b82052d73c.tar.gz glibc-fe7b1136e5753c85b3ccc8395dfc66b82052d73c.tar.bz2 glibc-fe7b1136e5753c85b3ccc8395dfc66b82052d73c.zip | |
Fix read past end of pattern in fnmatch (bug 18032)
(cherry picked from commit 4a28f4d55a6cc33474c0792fe93b5942d81bf185)
| -rw-r--r-- | ChangeLog | 7 | ||||
| -rw-r--r-- | NEWS | 2 | ||||
| -rw-r--r-- | posix/fnmatch_loop.c | 5 | ||||
| -rw-r--r-- | posix/tst-fnmatch3.c | 8 |
4 files changed, 15 insertions, 7 deletions
@@ -1,3 +1,10 @@ +2015-02-26 Andreas Schwab <schwab@suse.de> + + [BZ #18032] + * posix/fnmatch_loop.c (FCT): Remove extra increment when skipping + over collating symbol inside a bracket expression. Minor cleanup. + * posix/tst-fnmatch3.c (do_test): Add test case. + 2015-07-21 Mike Frysinger <vapier@gentoo.org> [BZ #18694] @@ -9,7 +9,7 @@ Version 2.21.1 * The following bugs are resolved with this release: - 17949, 18287, 18694. + 17949, 18032, 18287, 18694. * A buffer overflow in gethostbyname_r and related functions performing DNS requests has been fixed. If the NSS functions were called with a diff --git a/posix/fnmatch_loop.c b/posix/fnmatch_loop.c index c0cb2fc3e6..72c5d8f041 100644 --- a/posix/fnmatch_loop.c +++ b/posix/fnmatch_loop.c @@ -945,14 +945,13 @@ FCT (pattern, string, string_end, no_leading_period, flags, ends, alloca_used) } else if (c == L('[') && *p == L('.')) { - ++p; while (1) { c = *++p; - if (c == '\0') + if (c == L('\0')) return FNM_NOMATCH; - if (*p == L('.') && p[1] == L(']')) + if (c == L('.') && p[1] == L(']')) break; } p += 2; diff --git a/posix/tst-fnmatch3.c b/posix/tst-fnmatch3.c index d27a557c7c..75bc00a2c5 100644 --- a/posix/tst-fnmatch3.c +++ b/posix/tst-fnmatch3.c @@ -21,9 +21,11 @@ int do_test (void) { - const char *pattern = "[[:alpha:]'[:alpha:]\0]"; - - return fnmatch (pattern, "a", 0) != FNM_NOMATCH; + if (fnmatch ("[[:alpha:]'[:alpha:]\0]", "a", 0) != FNM_NOMATCH) + return 1; + if (fnmatch ("[a[.\0.]]", "a", 0) != FNM_NOMATCH) + return 1; + return 0; } #define TEST_FUNCTION do_test () |