Re: general protection fault in xsk_recvmsg

From: Dmitry Vyukov
Date: Fri Jan 15 2021 - 08:51:32 EST


On Fri, Jan 15, 2021 at 1:50 PM Björn Töpel <bjorn.topel@xxxxxxxxx> wrote:
>
> #syz fix: xsk: Validate socket state in xsk_recvmsg, prior touching
> socket members

-most

This got unrecoverably corrupted with line wraps by email client.
As my client does the same, there is a special hack that allows to
send a least a little bit longer titles w/o line wrapping: syz fix
alone on one line and whole title on the next line:

#syz fix:
xsk: Validate socket state in xsk_recvmsg, prior touching socket members