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Xi: fix length checking with bigreq

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The authorative source of the request frame size is client->req_len,
especially with big requests larger than 2^18 bytes.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1639>
This commit is contained in:
Enrico Weigelt, metux IT consult
2024-08-06 11:39:09 +02:00
committed by Marge Bot
parent e1e8ab3ddf
commit fc9f8f8d3c
15 changed files with 19 additions and 19 deletions
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2
Xi/setdval.c
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@@ -100,7 +100,7 @@ ProcXSetDeviceValuators(ClientPtr client)
.status = Success
};
if (stuff->length != bytes_to_int32(sizeof(xSetDeviceValuatorsReq)) +
if (client->req_len != bytes_to_int32(sizeof(xSetDeviceValuatorsReq)) +
stuff->num_valuators)
return BadLength;