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Avoid buffer overflows when the sandboxee shrinks a shared buffer.

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PiperOrigin-RevId: 355336078
Change-Id: I36aa106b3044cbc20b30718a12bd35d147c339c6
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Sandboxed API Team 2021-02-02 23:58:41 -08:00 committed by Copybara-Service
parent 0bbcb495ee
commit 637dc471ac
1 changed files with 1 additions and 1 deletions
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sandboxed_api/var_array.h
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@ -113,7 +113,7 @@ class Array : public Var, public Pointable {
} else { } else {
new_addr = malloc(size); new_addr = malloc(size);
if (new_addr) { if (new_addr) {
memcpy(new_addr, arr_, total_size_); memcpy(new_addr, arr_, std::min(size, total_size_));
buffer_owned_ = true; buffer_owned_ = true;
} }
} }