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richard pushed a commit to branch tor-browser-91.8.0esr-11.0-1 in repository tor-browser.
commit a981804052f46924027b7d91896844ca5df9aafc Author: Kershaw Chang kershaw@mozilla.com AuthorDate: Wed Mar 30 13:13:01 2022 +0000
Bug 1761026 - Add a null check for FetchDriver::mResponse, r=necko-reviewers,dragana a=dmeehan
This patch adds a null check to avoid crashing when `mResponse` is null.
Differential Revision: https://phabricator.services.mozilla.com/D141911 --- dom/fetch/FetchDriver.cpp | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/dom/fetch/FetchDriver.cpp b/dom/fetch/FetchDriver.cpp index 8eac7c1e688eb..4da3e0faa2f0b 100644 --- a/dom/fetch/FetchDriver.cpp +++ b/dom/fetch/FetchDriver.cpp @@ -1295,10 +1295,14 @@ FetchDriver::OnDataAvailable(nsIRequest* aRequest, nsIInputStream* aInputStream, } }
+ if (!mResponse) { + MOZ_ASSERT(false); + return NS_ERROR_UNEXPECTED; + } + // Needs to be initialized to 0 because in some cases nsStringInputStream may // not write to aRead. uint32_t aRead = 0; - MOZ_ASSERT(mResponse); MOZ_ASSERT(mPipeOutputStream);
// From "Main Fetch" step 19: SRI-part2.