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Date: Wed, 2 Feb 2022 13:20:30 +0100 From: Daniel Borkmann <daniel@...earbox.net> To: syzbot <syzbot+5ad567a418794b9b5983@...kaller.appspotmail.com>, andrii@...nel.org, ast@...nel.org, bpf@...r.kernel.org, davem@...emloft.net, hotforest@...il.com, houtao1@...wei.com, john.fastabend@...il.com, kafai@...com, kpsingh@...nel.org, kuba@...nel.org, linux-kernel@...r.kernel.org, netdev@...r.kernel.org, songliubraving@...com, syzkaller-bugs@...glegroups.com, yhs@...com Subject: Re: [syzbot] KASAN: vmalloc-out-of-bounds Write in ringbuf_map_alloc On 2/2/22 1:11 PM, syzbot wrote: > syzbot has found a reproducer for the following issue on: > > HEAD commit: 6abab1b81b65 Add linux-next specific files for 20220202 > git tree: linux-next > console output: https://syzkaller.appspot.com/x/log.txt?x=13f4b900700000 > kernel config: https://syzkaller.appspot.com/x/.config?x=b8d8750556896349 > dashboard link: https://syzkaller.appspot.com/bug?extid=5ad567a418794b9b5983 > compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1450d9f0700000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=130ef35bb00000 > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+5ad567a418794b9b5983@...kaller.appspotmail.com #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/dborkman/bpf.git pr/rb-vmap
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