Messages in this thread | | | Subject | Re: WARNING: CPU: 1 | From | Arend Van Spriel <> | Date | Mon, 28 Sep 2020 12:46:08 +0200 |
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On 9/28/2020 12:04 PM, Dmitry Vyukov wrote: > On Mon, Sep 28, 2020 at 11:31 AM Arend Van Spriel > <arend.vanspriel@broadcom.com> wrote: >> >> On 9/27/2020 10:47 AM, Dmitry Vyukov wrote: >>> On Sun, Sep 27, 2020 at 10:38 AM syzbot >>> <syzbot+3640e696903873858f7e@syzkaller.appspotmail.com> wrote: >>>> >>>> Hello, >>>> >>>> syzbot found the following issue on: >>>> >>>> HEAD commit: 748d1c8a Merge branch 'devlink-Use-nla_policy-to-validate-.. >>>> git tree: net-next >>>> console output: https://syzkaller.appspot.com/x/log.txt?x=13ac3ec3900000 >>>> kernel config: https://syzkaller.appspot.com/x/.config?x=51fb40e67d1e3dec >>>> dashboard link: https://syzkaller.appspot.com/bug?extid=3640e696903873858f7e >>>> compiler: gcc (GCC) 10.1.0-syz 20200507 >>>> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1599be03900000 >>>> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=149fd44b900000 >>> >>> Based on the reproducer, this looks like some wireless bug. >>> +net/wireless maintainers. >> >> I don't think so looking at this part of the stacktrace: >> >> [ 51.814941] [<ffffffff8465cc95>] macvlan_common_newlink+0xa15/0x1720 >> [ 51.833542] [<ffffffff84662548>] macvtap_newlink+0x128/0x230 >> [ 51.858008] [<ffffffff85b68bfe>] rtnl_newlink+0xe5e/0x1780 >> [ 51.925885] [<ffffffff85b5d32b>] rtnetlink_rcv_msg+0x22b/0xc20 >> >> Regards, >> Arend > > That's the trace on the oldest release and the bisection was diverged > somewhere midway. > You may see this in the bisection log: > https://syzkaller.appspot.com/text?tag=Log&x=1474aaad900000 > > Initially it crashed with this warning: > all runs: crashed: WARNING in sta_info_insert_rcu > > This function is in net/mac80211/sta_info.c.
I see. Thanks for the clarification. It was not really obvious where to dig for information.
Regards, Arend [unhandled content-type:application/pkcs7-signature] | |