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Fixes a double-free in the error path of ncclCommInitAll.

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Fixes https://github.com/NVIDIA/nccl/issues/726
This commit is contained in:
John Bachan 2022-10-03 17:02:15 -07:00
parent 99c28f2e75
commit 2401f4a918
1 changed files with 3 additions and 4 deletions
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7
src/init.cc
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@ -1215,6 +1215,7 @@ ncclResult_t ncclCommInitAll(ncclComm_t* comms, int ndev, const int* devlist) {
gpuFlags[devlist[i]] = 1;
}
free(gpuFlags);
gpuFlags = nullptr;
}
ncclUniqueId uniqueId;
@ -1226,11 +1227,9 @@ ncclResult_t ncclCommInitAll(ncclComm_t* comms, int ndev, const int* devlist) {
}
NCCLCHECKGOTO(ncclGroupEnd(), ret, fail);
exit:
return ret;
fail:
if (gpuFlags) free(gpuFlags);
goto exit;
free(gpuFlags);
return ret;
}
ncclResult_t ncclCommSetAsyncError(ncclComm_t comm, ncclResult_t nextState) {