Automated fix for refs/heads/io_uring_dev #3
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LeiW000
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May 18, 2023
Found memory access error in frame_fuzzer_test. Located the root cause in ExecCtx::Get(), where ExecCtx needs to be initialized before using HPackParser:ParseInput(). Error logs: MemorySanitizer:DEADLYSIGNAL ==2812845==ERROR: MemorySanitizer: SEGV on unknown address 0x000000000030 (pc 0x55869275574e bp 0x7fffd7d9fb50 sp 0x7fffd7d9fb20 T2812845) ==2812845==The signal is caused by a READ memory access. ==2812845==Hint: address points to the zero page. #0 0x55869275574e in starting_cpu [third_party/grpc/src/core/lib/iomgr/exec_ctx.h:129](https://cs.corp.google.com/piper///depot/google3/third_party/grpc/src/core/lib/iomgr/exec_ctx.h?l=129&ws=ladynana/2900&snapshot=42):9 #1 0x55869275574e in grpc_core::PerCpu<grpc_core::GlobalStatsCollector::Data>::this_cpu() [third_party/grpc/src/core/lib/gprpp/per_cpu.h:38](https://cs.corp.google.com/piper///depot/google3/third_party/grpc/src/core/lib/gprpp/per_cpu.h?l=38&ws=ladynana/2900&snapshot=42):48 #2 0x558692753cda in IncrementHttp2MetadataSize [third_party/grpc/src/core/lib/debug/stats_data.h:265](https://cs.corp.google.com/piper///depot/google3/third_party/grpc/src/core/lib/debug/stats_data.h?l=265&ws=ladynana/2900&snapshot=42):11 #3 0x558692753cda in grpc_core::HPackParser::ParseInput(grpc_core::HPackParser::Input, bool) [third_party/grpc/src/core/ext/transport/chttp2/transport/hpack_parser.cc:933](https://cs.corp.google.com/piper///depot/google3/third_party/grpc/src/core/ext/transport/chttp2/transport/hpack_parser.cc?l=933&ws=ladynana/2900&snapshot=42):20 <!-- If you know who should review your pull request, please assign it to that person, otherwise the pull request would get assigned randomly. If your pull request is for a specific language, please add the appropriate lang label. -->
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PanCakes to the rescue!
We noticed that our 'sanity' test was going to fail, but we think we can fix that automatically, so we put together this PR to do just that!
If you'd like to opt-out of these PR's, add yourself to NO_AUTOFIX_USERS in .github/workflows/pr-auto-fix.yaml