diff options
| -rw-r--r-- | package/argp-standalone/0002-isprint.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/package/argp-standalone/0002-isprint.patch b/package/argp-standalone/0002-isprint.patch new file mode 100644 index 0000000000..a2962a1631 --- /dev/null +++ b/package/argp-standalone/0002-isprint.patch @@ -0,0 +1,35 @@ +Subject: restrict value range passed to isprint function + +According to C standards isprint argument shall be representable as an +unsigned char or be equal to EOF, otherwise the behaviour is undefined. + +Passing arbitrary ints leads to segfault in nm program from elfutils. + +Restrict isprint argument range to values representable by unsigned char. + +Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> +--- +diff -bu argp-standalone-1.3/argp.h argp-standalone-1.3-/argp.h +--- argp-standalone-1.3/argp.h 2015-04-28 10:31:39.015319337 +0300 ++++ argp-standalone-1.3-/argp.h 2015-04-28 10:27:46.526770624 +0300 +@@ -577,7 +577,7 @@ + else + { + int __key = __opt->key; +- return __key > 0 && isprint (__key); ++ return __key > 0 && __key <= UCHAR_MAX && isprint (__key); + } + } + +diff -bu argp-standalone-1.3/argp-parse.c argp-standalone-1.3-/argp-parse.c +--- argp-standalone-1.3/argp-parse.c 2015-04-28 10:31:39.016319380 +0300 ++++ argp-standalone-1.3-/argp-parse.c 2015-04-28 10:27:21.810818130 +0300 +@@ -1292,7 +1292,7 @@ + int __key = __opt->key; + /* FIXME: whether or not a particular key implies a short option + * ought not to be locale dependent. */ +- return __key > 0 && isprint (__key); ++ return __key > 0 && __key <= UCHAR_MAX && isprint (__key); + } + } + |
