Re: WARNING in compat_copy_entries (2)

[Andy Lutomirski]

This is likely a confused bisection.  I bet that reverting this patch breaks your test but has nothing to do with the bug. Try reproducing with socketcall() to bisect farther.

--Andy

> On Apr 14, 2019, at 12:20 PM, syzbot <syzbot+659574e7bcc7f7eb4df7@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
> 
> syzbot has bisected this bug to:
> 
> commit 9dea5dc921b5f4045a18c63eb92e84dc274d17eb
> Author: Andy Lutomirski <luto@xxxxxxxxxx>
> Date:   Tue Jul 14 22:24:24 2015 +0000
> 
>    x86/entry/syscalls: Wire up 32-bit direct socket calls
> 
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1736919f200000
> start commit:   ce380619 Merge tag 'please-pull-ia64_misc' of git://git.ke..
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=10b6919f200000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=36fbc8c97ef985d3
> dashboard link: https://syzkaller.appspot.com/bug?extid=659574e7bcc7f7eb4df7
> userspace arch: i386
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=179b4d8b800000
> 
> Reported-by: syzbot+659574e7bcc7f7eb4df7@xxxxxxxxxxxxxxxxxxxxxxxxx
> Fixes: 9dea5dc921b5 ("x86/entry/syscalls: Wire up 32-bit direct socket calls")
> 
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection