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lib2302: fix crash due to stack overflow on MSVC and clang Windows

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It fixes test 2302, 2303, 2307 with MSVC and clang on Windows.
GCC Windows builds were not affected.

Failure was caused by stack overflow due to a 1MB+ sized test struct on
stack. Replace it with dynamic allocation.

Also unignore affected tests in GHA/windows.

As seen under WINE with llvm-mingw:
```
$ wine64 libtests.exe lib2302 ws://127.0.0.1:59964/2302 > stdout2302 2> stderr2302
Test: lib2302
URL: ws://127.0.0.1:59964/2302
wine: Unhandled stack overflow at address 000000014007486A (thread 0024), starting debugger...
Unhandled exception: stack overflow in 64-bit code (0x000000014007486a).
```

Ref: #16629 (discovery)
Ref: 1bd5ac998b #16570

Closes #16630
This commit is contained in:
Viktor Szakats 2025-03-09 00:32:22 +01:00
parent 66313cc036
commit 7e282e18a5
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GPG key ID: B5ABD165E2AEF201
2 changed files with 10 additions and 7 deletions
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5
.github/workflows/windows.yml vendored
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@ -350,9 +350,6 @@ jobs:
if [ '${{ matrix.sys }}' != 'msys' ]; then
TFLAGS+=' ~612' # SFTP
fi
if [ '${{ matrix.sys }}' = 'clang64' ]; then
TFLAGS+=' ~2302 ~2303 ~2307' # permafail with clang (and also MSVC) (but works with mingw64 and ucrt64)
fi
if [ -x "$(cygpath "${SYSTEMROOT}/System32/curl.exe")" ]; then
TFLAGS+=" -ac $(cygpath "${SYSTEMROOT}/System32/curl.exe")"
fi
@ -923,7 +920,7 @@ jobs:
timeout-minutes: 10
run: |
export CURL_DIRSUFFIX='${{ matrix.type }}'
export TFLAGS='-j8 ${{ matrix.tflags }} ~2302 ~2303 ~2307'
export TFLAGS='-j8 ${{ matrix.tflags }}'
TFLAGS+=' ~2310' # flaky
PATH="$PWD/bld/lib/${{ matrix.type }}:$PATH:/c/Program Files (x86)/stunnel/bin:/c/Program Files/OpenSSH-Win64"
PATH="/c/msys64/usr/bin:$PATH"