Re: [syzbot] WARNING: kmalloc bug in hash_netport_create

Dmitry Vyukov
2021-09-15T05:14:02Z

On Sat, 4 Sept 2021 at 10:23, syzbot
<syzbot+3f5904753c2388727c6c@syzkaller.appspotmail.com> wrote:
>
> syzbot has bisected this issue to:
>
> commit 7661809d493b426e979f39ab512e3adf41fbcc69
> Author: Linus Torvalds <torvalds@linux-foundation.org>
> Date: Wed Jul 14 16:45:49 2021 +0000
>
> mm: don't allow oversized kvmalloc() calls
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=113125f5300000
> start commit: a9c9a6f741cd Merge tag 'scsi-misc' of git://git.kernel.org..
> git tree: upstream
> final oops: https://syzkaller.appspot.com/x/report.txt?x=133125f5300000
> console output: https://syzkaller.appspot.com/x/log.txt?x=153125f5300000
> kernel config: https://syzkaller.appspot.com/x/.config?x=1ac29107aeb2a552
> dashboard link: https://syzkaller.appspot.com/bug?extid=3f5904753c2388727c6c
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14581b33300000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13579a69300000
>
> Reported-by: syzbot+3f5904753c2388727c6c@syzkaller.appspotmail.com
> Fixes: 7661809d493b ("mm: don't allow oversized kvmalloc() calls")
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection

#syz dup: WARNING: kmalloc bug in hash_net_create