* Re: [Bugme-new] [Bug 8726] New: MSG_TRUNC not regarded in unix_dgram_recvmsg()
[not found] <bug-8726-10286@http.bugzilla.kernel.org/>
@ 2007-07-09 16:16 ` Andrew Morton
0 siblings, 0 replies; only message in thread
From: Andrew Morton @ 2007-07-09 16:16 UTC (permalink / raw)
To: netdev; +Cc: bugme-daemon@kernel-bugs.osdl.org, garkein
On Mon, 9 Jul 2007 04:01:58 -0700 (PDT) bugme-daemon@bugzilla.kernel.org wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=8726
>
> Summary: MSG_TRUNC not regarded in unix_dgram_recvmsg()
> Product: Networking
> Version: 2.5
> KernelVersion: 2.6.19
> Platform: All
> OS/Version: Linux
> Tree: Mainline
> Status: NEW
> Severity: normal
> Priority: P1
> Component: Other
> AssignedTo: acme@ghostprotocols.net
> ReportedBy: garkein@mailueberfall.de
>
>
> Problem Description:
>
> In unix_dgram_recvmsg() in af_unix.c the flag MSG_TRUNC is not regarded as
> described in the recv(2) man page.
>
> This did work in older kernels (I have a working 2.6.13, but am not sure if
> that is a plain kernel.org one, nor if it was the last working revision).
> I believe the bug was introduced when the variable "copied" was removed from
> the code.
>
> IMHO, the line 1650:
>
> err = size;
>
> should read
>
> err = (flags & MSG_TRUNC) ? skb->len : size;
>
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[not found] <bug-8726-10286@http.bugzilla.kernel.org/>
2007-07-09 16:16 ` [Bugme-new] [Bug 8726] New: MSG_TRUNC not regarded in unix_dgram_recvmsg() Andrew Morton
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