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Date: Wed, 20 Mar 2019 17:36:11 +0100 From: Dmitry Vyukov <dvyukov@...gle.com> To: Jon Maloy <jon.maloy@...csson.com> Cc: syzbot <syzbot+9d4c12bfd45a58738d0a@...kaller.appspotmail.com>, "davem@...emloft.net" <davem@...emloft.net>, "dsahern@...il.com" <dsahern@...il.com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "pablo@...filter.org" <pablo@...filter.org>, "syzkaller-bugs@...glegroups.com" <syzkaller-bugs@...glegroups.com>, "tipc-discussion@...ts.sourceforge.net" <tipc-discussion@...ts.sourceforge.net>, "ying.xue@...driver.com" <ying.xue@...driver.com> Subject: Re: general protection fault in dst_dev_put (2) On Wed, Mar 20, 2019 at 4:43 PM Jon Maloy <jon.maloy@...csson.com> wrote: > > This one points to a bug that was fixed in commit dc4501ff2875 ("tipc: fix a double free in tipc_enable_bearer()"). > That commit was applied to 4.20, but is not present in 4.16, which caused this dump. > To get further with this I need a dump of the actual crash in 4.20 or 5.0. > Maybe we are looking at two different problems here? Hi Jon, The latest crashes are available on the syzbot dashboard (see dashbolard link). > > ///jon > > > > > -----Original Message----- > > From: netdev-owner@...r.kernel.org <netdev-owner@...r.kernel.org> > > On Behalf Of syzbot > > Sent: 19-Mar-19 18:24 > > To: davem@...emloft.net; dsahern@...il.com; Jon Maloy > > <jon.maloy@...csson.com>; linux-kernel@...r.kernel.org; > > netdev@...r.kernel.org; pablo@...filter.org; syzkaller- > > bugs@...glegroups.com; tipc-discussion@...ts.sourceforge.net; > > ying.xue@...driver.com > > Subject: Re: general protection fault in dst_dev_put (2) > > > > syzbot has bisected this bug to: > > > > commit 52dfae5c85a4c1078e9f1d5e8947d4a25f73dd81 > > Author: Jon Maloy <jon.maloy@...csson.com> > > Date: Thu Mar 22 19:42:52 2018 +0000 > > > > tipc: obtain node identity from interface by default > > > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1631fc2b200000 > > start commit: 52dfae5c tipc: obtain node identity from interface by defa.. > > git tree: upstream > > final crash: https://syzkaller.appspot.com/x/report.txt?x=1531fc2b200000 > > console output: https://syzkaller.appspot.com/x/log.txt?x=1131fc2b200000 > > kernel config: https://syzkaller.appspot.com/x/.config?x=8f00801d7b7c4fe6 > > dashboard link: > > https://syzkaller.appspot.com/bug?extid=9d4c12bfd45a58738d0a > > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17254878c00000 > > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=171ca5df400000 > > > > Reported-by: syzbot+9d4c12bfd45a58738d0a@...kaller.appspotmail.com > > Fixes: 52dfae5c ("tipc: obtain node identity from interface by default") > > -- > You received this message because you are subscribed to the Google Groups "syzkaller-bugs" group. > To unsubscribe from this group and stop receiving emails from it, send an email to syzkaller-bugs+unsubscribe@...glegroups.com. > To view this discussion on the web visit https://groups.google.com/d/msgid/syzkaller-bugs/BL0PR1501MB200344EF36F7E6EFCE435F4E9A410%40BL0PR1501MB2003.namprd15.prod.outlook.com. > For more options, visit https://groups.google.com/d/optout.
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