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| author | fireice-uk <fireice-uk@users.noreply.github.com> | 2017-10-10 18:01:16 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-10-10 18:01:16 +0100 |
| commit | e79debcfcba699a5aaf3996e18338a2c0183bb0e (patch) | |
| tree | ad881049a730bc21f08b5116ae6da7f4cdb70ebe /xmrstak/backend/amd/amd_gpu/gpu.cpp | |
| parent | 9af8d7f6ada328d88b53472f4527c848b538426d (diff) | |
| parent | 611378eb968eeda5700fe257a27d87856aa112f0 (diff) | |
| download | xmr-stak-e79debcfcba699a5aaf3996e18338a2c0183bb0e.zip xmr-stak-e79debcfcba699a5aaf3996e18338a2c0183bb0e.tar.gz | |
Merge pull request #23 from psychocrypt/fix-possibleIllegalMemoryAccessAMD
avoid possible illegal memory access
Diffstat (limited to 'xmrstak/backend/amd/amd_gpu/gpu.cpp')
| -rw-r--r-- | xmrstak/backend/amd/amd_gpu/gpu.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/xmrstak/backend/amd/amd_gpu/gpu.cpp b/xmrstak/backend/amd/amd_gpu/gpu.cpp index d43961e..ca81718 100644 --- a/xmrstak/backend/amd/amd_gpu/gpu.cpp +++ b/xmrstak/backend/amd/amd_gpu/gpu.cpp @@ -912,6 +912,10 @@ size_t XMRRunJob(GpuContext* ctx, cl_uint* HashOutput) } clFinish(ctx->CommandQueues); + auto & numHashValues = HashOutput[0xFF]; + // avoid out of memory read, we have only storage for 0xFF results + if(numHashValues > 0xFF) + numHashValues = 0xFF; ctx->Nonce += g_intensity; return ERR_SUCCESS; |
