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| author | Yaakov Selkowitz <yselkowi@redhat.com> | 2017-03-11 10:01:47 +0100 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2017-03-11 10:03:29 +0100 |
| commit | 6c420fa49455a7f743c01190e1d23b0749e20fa6 (patch) | |
| tree | 73f0f333ce4acd43f3e589bb1b0c7f41bb6a210e | |
| parent | c9e4b69e9f48a517ec5c6bbf20c80bd744117b14 (diff) | |
| download | cygnal-6c420fa49455a7f743c01190e1d23b0749e20fa6.tar.gz cygnal-6c420fa49455a7f743c01190e1d23b0749e20fa6.tar.bz2 cygnal-6c420fa49455a7f743c01190e1d23b0749e20fa6.zip | |
getrandom: it's MIN, not MAX
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
| -rw-r--r-- | winsup/cygwin/libc/getentropy.cc | 2 | ||||
| -rw-r--r-- | winsup/cygwin/release/2.8.0 | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/winsup/cygwin/libc/getentropy.cc b/winsup/cygwin/libc/getentropy.cc index 5918eb5d9..c358b5287 100644 --- a/winsup/cygwin/libc/getentropy.cc +++ b/winsup/cygwin/libc/getentropy.cc @@ -51,7 +51,7 @@ getrandom (void *ptr, size_t len, unsigned int flags) return -1; } /* Max. bytes returned by Linux call. */ - len = MAX (len, (flags & GRND_RANDOM) ? 512 : 33554431); + len = MIN (len, (flags & GRND_RANDOM) ? 512 : 33554431); __try { if (!RtlGenRandom (ptr, len)) diff --git a/winsup/cygwin/release/2.8.0 b/winsup/cygwin/release/2.8.0 index d8e20a1c9..f5568deec 100644 --- a/winsup/cygwin/release/2.8.0 +++ b/winsup/cygwin/release/2.8.0 @@ -23,3 +23,5 @@ Bug Fixes - Fix a few problems which are the combined culprit of fork failing when called recursively from a pthread. Addresses: https://cygwin.com/ml/cygwin/2017-03/msg00113.html + +- Fix potential buffer overflow in getrandom. |