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authorJon Turney <jon.turney@dronecode.org.uk>2023-07-11 17:08:14 +0300
committerJon Turney <jon.turney@dronecode.org.uk>2023-07-14 16:02:46 +0300
commit0e8227bbb746a1f85b9983aab7cef78a4fd41c9a (patch)
treea84d0d7a4d8375a3f1bea7f36f98f66274c63d21 /winsup/testsuite
parente867f8c3e89f4f6a85de3a96ddfd2de8f4bb882f (diff)
Cygwin: testsuite: Fix a buffer overflow in symlink01
full_path needs to hold a overlong pathname of length PATH_MAX+1, plus a terminating null. See ltp commit 44d51c3f https://github.com/linux-test-project/ltp/commit/44d51c3f0670961149ba486a678cfc13b37cce2c Signed-off-by: Jon Turney <jon.turney@dronecode.org.uk>
Diffstat (limited to 'winsup/testsuite')
-rw-r--r--winsup/testsuite/winsup.api/ltp/symlink01.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/winsup/testsuite/winsup.api/ltp/symlink01.c b/winsup/testsuite/winsup.api/ltp/symlink01.c
index 54a24b87f..186a85b4e 100644
--- a/winsup/testsuite/winsup.api/ltp/symlink01.c
+++ b/winsup/testsuite/winsup.api/ltp/symlink01.c
@@ -488,7 +488,7 @@ time_t a_time_value = 100;
const char *TCID = NULL;
char *Selectedtests = NULL; /* Name (tcid) of selected test cases */
char test_msg[BUFMAX];
-char full_path[PATH_MAX+1];
+char full_path[PATH_MAX+1+1]; /* Add one for '\0' and another to exceed the PATH_MAX limit, see creat_path_max() */
extern int Tst_count;
extern char *TESTDIR;
extern char *strrchr();