sandbox/linux/seccomp/maps.cc - Issue 1807002: Correctly align memory allocations in the case where we need to allocate memo...

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Unified Diff: sandbox/linux/seccomp/maps.cc

Issue 1807002: Correctly align memory allocations in the case where we need to allocate memo... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/

Patch Set: '' Created 10 years, 8 months ago

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Index: sandbox/linux/seccomp/maps.cc

===================================================================

--- sandbox/linux/seccomp/maps.cc (revision 45661)

+++ sandbox/linux/seccomp/maps.cc (working copy)

@@ -221,7 +221,10 @@

static_cast<unsigned long>(addr) - kMaxDistance < gap_start) {

position = gap_start;

} else {

- position = addr - kMaxDistance;

+ position = (addr - kMaxDistance) & ~4095;

+ if (position < gap_start) {

+ position = gap_start;

+ }

}

} else {

// Otherwise, take the end of the region.

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