> On Wed, 23 Jun 2021 19:19:28 +0300 > Pavel Skripkin <paskripkin@xxxxxxxxx> wrote: > >> On Wed, 23 Jun 2021 02:15:23 -0700 >> syzbot <syzbot+c2f6f09fe907a838effb@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: >> >> > Hello, >> > >> > syzbot found the following issue on: >> > >> > HEAD commit: 13311e74 Linux 5.13-rc7 >> > git tree: upstream >> > console output: >> > https://syzkaller.appspot.com/x/log.txt?x=15d01e58300000 kernel >> > config: https://syzkaller.appspot.com/x/.config?x=42ecca11b759d96c >> > dashboard link: >> > https://syzkaller.appspot.com/bug?extid=c2f6f09fe907a838effb syz >> > repro: >> > https://syzkaller.appspot.com/x/repro.syz?x=14bb89e8300000 C >> > reproducer: >> > https://syzkaller.appspot.com/x/repro.c?x=17cc51b8300000 >> > >> > The issue was bisected to: >> > >> > commit f9006acc8dfe59e25aa75729728ac57a8d84fc32 >> > Author: Florian Westphal <fw@xxxxxxxxx> >> > Date: Wed Apr 21 07:51:08 2021 +0000 >> > >> > netfilter: arp_tables: pass table pointer via nf_hook_ops >> > >> > bisection log: >> > https://syzkaller.appspot.com/x/bisect.txt?x=13b88400300000 final >> > oops: >> > https://syzkaller.appspot.com/x/report.txt?x=10788400300000 console >> > output: https://syzkaller.appspot.com/x/log.txt?x=17b88400300000 >> > >> >> This one is similar to previous zero-size vmalloc, I guess :) >> >> #syz test >> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git >> master >> >> > > Hah, I didn't notice that this one is already fixed by me. But the > patch is in the media tree, it's not upstreamed yet: > > https://git.linuxtv.org/media_tree.git/commit/?id=c680ed46e418e9c785d76cf44eb33bfd1e8cf3f6 > > So, > > #syz dup: WARNING: zero-size vmalloc in dvb_dmx_init Can't dup bug to a bug in different reporting (upstream->internal).Please dup syzbot bugs only onto syzbot bugs for the same kernel/reporting. > > With regards, > Pavel Skripkin
