Re: [syzbot] WARNING: kmalloc bug in hash_netport_create

syzbot
2021-09-04T08:23:15Z

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