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authorPaul Pluzhnikov <ppluzhnikov@google.com>2015-08-12 23:51:04 -0700
committerPaul Pluzhnikov <ppluzhnikov@google.com>2015-08-12 23:51:04 -0700
commit63e952d9be87db68f0e4164d4a5760b32e77ebff (patch)
tree652f8bece6a6a04f7618093c9d3dc1b0a398d965 /libio/oldfmemopen.c
parent8a29509dd9aa179bfe4ef96d49d72f6816ec878f (diff)
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Fix BZ #18820 -- fmemopen may leak memory on failure.
Diffstat (limited to 'libio/oldfmemopen.c')
-rw-r--r--libio/oldfmemopen.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/libio/oldfmemopen.c b/libio/oldfmemopen.c
index 8e35672..88ef8fa 100644
--- a/libio/oldfmemopen.c
+++ b/libio/oldfmemopen.c
@@ -204,6 +204,7 @@ __old_fmemopen (void *buf, size_t len, const char *mode)
{
cookie_io_functions_t iof;
fmemopen_cookie_t *c;
+ FILE *result;
if (__glibc_unlikely (len == 0))
{
@@ -259,7 +260,16 @@ __old_fmemopen (void *buf, size_t len, const char *mode)
iof.seek = fmemopen_seek;
iof.close = fmemopen_close;
- return _IO_fopencookie (c, mode, iof);
+ result = _IO_fopencookie (c, mode, iof);
+ if (__glibc_unlikely (result == NULL))
+ {
+ if (c->mybuffer)
+ free (c->buffer);
+
+ free (c);
+ }
+
+ return result;
}
compat_symbol (libc, __old_fmemopen, fmemopen, GLIBC_2_2);
#endif