Re: v6.13-rc1 build errors from kernel/auditsc.c

From: Paul Moore
Date: Tue Dec 03 2024 - 18:05:12 EST


On Mon, Dec 2, 2024 at 11:04 PM Yafang Shao <laoar.shao@xxxxxxxxx> wrote:
>
> On Tue, Dec 3, 2024 at 11:35 AM Paul Moore <paul@xxxxxxxxxxxxxx> wrote:
> >
> > On Mon, Dec 2, 2024 at 10:19 PM Zhuo, Qiuxu <qiuxu.zhuo@xxxxxxxxx> wrote:
> > >
> > > Hi,
> > >
> > > I got the following build errors from kernel/auditsc.c file.
> > >
> > > The GCC version : 7.5.0
> > > Kernel version : v6.13-rc1
> > > The bisect commit : 286d7a54c8a2 ("auditsc: replace memcpy() with strscpy()")
> >
> > Unfortunately this is a known GCC bug, see the lore link below. Kees,
> > Yafang, do you have any more information or compiler-based workarounds
> > for this bug?
> >
> > https://lore.kernel.org/all/CALOAHbBB-__eyERw82QnS3Wmgi7_BpPaacY2urVmpWX3ZkVtvQ@xxxxxxxxxxxxxx/
>
> I'll prepare a patch based on Kees's changes soon. For now, let's
> implement a workaround.

To close the loop on this, the patch can be found here:

https://lore.kernel.org/audit/20241203060350.69472-1-laoar.shao@xxxxxxxxx/

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