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STABLE14-windows-pioctl-buffer-overrun-20070609
this patch protects against a buffer overrun in the client if the server were to send more data than the receiving buffer can hold. (cherry picked from commit 8a814a5596e9d8db1c24326715f794ae46966b3b)
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@ -844,6 +844,10 @@ pioctl(char *pathp, long opcode, struct ViceIoctl *blobp, int follow)
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MarshallString(&preq, fullPath);
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if (blobp->in_size) {
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if (blobp->in_size > sizeof(preq.data) - (preq.mp - preq.data)*sizeof(char)) {
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errno = E2BIG;
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return -1;
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}
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memcpy(preq.mp, blobp->in, blobp->in_size);
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preq.mp += blobp->in_size;
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}
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