Messages in this thread | | | Date | Wed, 9 Oct 2019 11:45:53 +0200 | From | Jiri Pirko <> | Subject | Re: KASAN: use-after-free Read in tipc_nl_node_dump_monitor_peer |
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Wed, Oct 09, 2019 at 11:22:00AM CEST, syzbot+d2a8670576fa63d18623@syzkaller.appspotmail.com wrote: >syzbot has bisected this bug to: > >commit 057af70713445fad2459aa348c9c2c4ecf7db938 >Author: Jiri Pirko <jiri@mellanox.com> >Date: Sat Oct 5 18:04:39 2019 +0000 > > net: tipc: have genetlink code to parse the attrs during dumpit > >bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14ac08e7600000 >start commit: f9867b51 netdevsim: fix spelling mistake "forbidded" -> "f.. >git tree: net-next >final crash: https://syzkaller.appspot.com/x/report.txt?x=16ac08e7600000 >console output: https://syzkaller.appspot.com/x/log.txt?x=12ac08e7600000 >kernel config: https://syzkaller.appspot.com/x/.config?x=d9be300620399522 >dashboard link: https://syzkaller.appspot.com/bug?extid=d2a8670576fa63d18623 >syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16d3e04f600000 >C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13a76593600000 > >Reported-by: syzbot+d2a8670576fa63d18623@syzkaller.appspotmail.com >Fixes: 057af7071344 ("net: tipc: have genetlink code to parse the attrs >during dumpit") > >For information about bisection process see: https://goo.gl/tpsmEJ#bisection
#syz fix: net: genetlink: always allocate separate attrs for dumpit ops
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