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[Bug 1703147] Re: Xfer:features:read truncating xml sent to gdb frontend
From: |
Duane Voth |
Subject: |
[Bug 1703147] Re: Xfer:features:read truncating xml sent to gdb frontends |
Date: |
Fri, 02 Jul 2021 04:48:17 -0000 |
Problematic code now around lines 2221 (in handle_query_xfer_features)
... lol I'm the only one impacted ... all the large register set cpus
can be affected.
** Changed in: qemu
Status: Expired => New
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https://bugs.launchpad.net/bugs/1703147
Title:
Xfer:features:read truncating xml sent to gdb frontends
Status in QEMU:
New
Bug description:
Around line 1326 in gdbstub.c:
if (len > (MAX_PACKET_LENGTH - 5) / 2)
len = (MAX_PACKET_LENGTH - 5) / 2;
is truncating processor reg description xml files longer than 2045
bytes. Deleting these lines works for my immediate need, but they
seem to be trying to fix some buffer overrun condition so I won't
offer a patch until we understand their purpose.
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