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Correctly handle dup() failure in Parcel::readNativeHandle 

bail out if dup() fails, instead of creating an invalid native_handle_t

Bug: 28395952

Change-Id: Ia1a6198c0f45165b9c6a55a803e5f64d8afa0572
This commit is contained in:
Marco Nelissen 2016-04-26 08:44:09 -07:00 committed by The Android Automerger
parent 03a53d1c77
commit 54cb02ad73
1 changed files with 7 additions and 1 deletions
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8
libs/binder/Parcel.cpp
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@ -1377,7 +1377,13 @@ native_handle* Parcel::readNativeHandle() const
for (int i=0 ; err==NO_ERROR && i<numFds ; i++) {
h->data[i] = dup(readFileDescriptor());
if (h->data[i] < 0) err = BAD_VALUE;
if (h->data[i] < 0) {
for (int j = 0; j < i; j++) {
close(h->data[j]);
}
native_handle_delete(h);
return 0;
}
}
err = read(h->data + numFds, sizeof(int)*numInts);
if (err != NO_ERROR) {