Re: kernel BUG at net/ipv4/ip_output.c:LINE!

syzbot suspects this bug was fixed by commit:

commit e7c87bd6cc4ec7b0ac1ed0a88a58f8206c577488
Author: Willem de Bruijn [off-list ref]
Date:   Wed Jan 16 01:19:22 2019 +0000

     bpf: in __bpf_redirect_no_mac pull mac only if present

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14175486600000
start commit:   112cbae2 Merge branch 'linus' of git://git.kernel.org/pub/..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=152cb8ccd35b1f70
dashboard link: https://syzkaller.appspot.com/bug?extid=90d5ec0c05e708f3b66d
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=153ed6e2400000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1539038c400000

If the result looks correct, please mark the bug fixed by replying with:

#syz fix: bpf: in __bpf_redirect_no_mac pull mac only if present

For information about bisection process see: https://goo.gl/tpsmEJ#bisection