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| author | Adam Lesinski <adamlesinski@google.com> | 2015-05-12 17:35:48 -0700 |
|---|---|---|
| committer | Abhisek Devkota <ciwrl@cyanogenmod.com> | 2015-08-12 14:22:05 -0700 |
| commit | ea184596cc9299fae0863b4b99465be3f2a21c30 (patch) | |
| tree | 09f0b699d5b97628ea64a6f0486be1e686dd41e4 | |
| parent | 4f2f38f1370856c482c64b4fe5f5ec809794af94 (diff) | |
| download | android_frameworks_native-stable/cm-12.0-YNG4N.tar.gz android_frameworks_native-stable/cm-12.0-YNG4N.tar.bz2 android_frameworks_native-stable/cm-12.0-YNG4N.zip | |
Verify that the native handle was createdstable/cm-12.0-YNG4N
The inputs to native_handle_create can cause an overflowed allocation,
so check the return value of native_handle_create before accessing
the memory it returns.
CYNGNOS-446
Bug:19334482
Change-Id: I1f489382776c2a1390793a79dc27ea17baa9b2a2
(cherry picked from commit eaac99a7172da52a76ba48c26413778a74951b1a)
(cherry picked from commit 7d7593f1e45804278819f06a589e4777e3780fd3)
| -rw-r--r-- | libs/binder/Parcel.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libs/binder/Parcel.cpp b/libs/binder/Parcel.cpp index 1dbb06fef..777bc3c77 100644 --- a/libs/binder/Parcel.cpp +++ b/libs/binder/Parcel.cpp @@ -1217,6 +1217,10 @@ native_handle* Parcel::readNativeHandle() const if (err != NO_ERROR) return 0; native_handle* h = native_handle_create(numFds, numInts); + if (!h) { + return 0; + } + for (int i=0 ; err==NO_ERROR && i<numFds ; i++) { h->data[i] = dup(readFileDescriptor()); if (h->data[i] < 0) err = BAD_VALUE; |