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replicant-frameworks_native
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Don't pad before calling writeInPlace(). 

writeInplace() itself already pads securely, by masking off
the padded bytes. If the padding is done before calling
writeInplace(), no mask is applied, and heap data can leak.

Bug: 77237570
Test: builds
Change-Id: Ide27a0002d4ed4196530430760245b971f6a3f44
Merged-In: Ide27a0002d4ed4196530430760245b971f6a3f44

(cherry picked from commit f8542381b72a7bb2452a5278a00ca8c34edbf8a0)
(cherry picked from commit 732132b765cd7b667f16cf32f0fe4c852d7d44dd)

Change-Id: Id65e4573e18ab68b804f1cf63a6977a71da01e5d
This commit is contained in:
Martijn Coenen 2018-04-04 11:46:56 +02:00 committed by Tim Schumacher
parent b2cc7deac7
commit 057269956b
1 changed files with 1 additions and 1 deletions
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2
libs/binder/Parcel.cpp
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@ -1055,7 +1055,7 @@ status_t Parcel::write(const FlattenableHelperInterface& val)
if (err) return err;
// payload
void* const buf = this->writeInplace(pad_size(len));
void* const buf = this->writeInplace(len);
if (buf == NULL)
return BAD_VALUE;