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Date: Tue, 24 Sep 2019 07:05:42 +0200 From: Björn Töpel <bjorn.topel@...el.com> To: Daniel Borkmann <daniel@...earbox.net>, syzbot <syzbot+491c1b7565ba9069ecae@...kaller.appspotmail.com> Cc: ast@...nel.org, bpf@...r.kernel.org, davem@...emloft.net, hawk@...nel.org, jakub.kicinski@...ronome.com, john.fastabend@...il.com, jonathan.lemon@...il.com, kafai@...com, linux-kernel@...r.kernel.org, magnus.karlsson@...el.com, netdev@...r.kernel.org, songliubraving@...com, syzkaller-bugs@...glegroups.com, yhs@...com Subject: Re: general protection fault in xsk_map_update_elem On 2019-09-24 00:50, Daniel Borkmann wrote: > On Mon, Sep 23, 2019 at 08:49:11AM -0700, syzbot wrote: >> Hello, >> >> syzbot found the following crash on: >> >> HEAD commit: b41dae06 Merge tag 'xfs-5.4-merge-7' of git://git.kernel.o.. >> git tree: net-next >> console output: https://syzkaller.appspot.com/x/log.txt?x=130b25ad600000 >> kernel config: https://syzkaller.appspot.com/x/.config?x=dfcf592db22b9132 >> dashboard link: https://syzkaller.appspot.com/bug?extid=491c1b7565ba9069ecae >> compiler: gcc (GCC) 9.0.0 20181231 (experimental) >> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=155a0c29600000 >> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=172bf6d9600000 >> >> The bug was bisected to: >> >> commit 0402acd683c678874df6bdbc23530ca07ea19353 >> Author: Björn Töpel <bjorn.topel@...el.com> >> Date: Thu Aug 15 09:30:13 2019 +0000 >> >> xsk: remove AF_XDP socket from map when the socket is released > > Bjorn, PTAL, thanks. > I'm on it! Thanks for the poke.
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