vtls: check final cfilter node in find_ssl_filter - #19229
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find_ssl_filter used while(cf && cf->next) and skipped the last node. If the SSL filter was last, channel binding lookup failed and we returned CURLE_BAD_FUNCTION_ARGUMENT. Switch to while(cf) so the tail is examined. This bug was found with ZeroPath.
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Analysis of PR #19229 at 6e8fa451: Test 776 failed, which has NOT been flaky recently, so there could be a real issue in this PR. Note that this test has failed in 12 different CI jobs (the link just goes to one of them). Generated by Testclutch |
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find_ssl_filter used while(cf && cf->next) and skipped the last node. If the SSL filter was last, channel binding lookup failed and we returned CURLE_BAD_FUNCTION_ARGUMENT. Switch to while(cf) so the tail is examined.
This bug was found with ZeroPath.