syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: 8470e4368b0f Merge branch 'net-cacheline-optimizations' > git tree: net-next > console+strace: https://syzkaller.appspot.com/x/log.txt?x=12094286e80000 > kernel config: https://syzkaller.appspot.com/x/.config?x=f8715b6ede5c4b90 > dashboard link: https://syzkaller.appspot.com/bug?extid=06dbd397158ec0ea4983 > compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1247bee2e80000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1285243ce80000 > > Downloadable assets: > disk image: https://storage.googleapis.com/syzbot-assets/90007d08e178/disk-8470e436.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/b55270de1cdc/vmlinux-8470e436.xz > kernel image: https://storage.googleapis.com/syzbot-assets/2237d34b6fec/bzImage-8470e436.xz > > The issue was bisected to: > > commit 965b57b469a589d64d81b1688b38dcb537011bb0 > Author: Cong Wang <cong.wang@xxxxxxxxxxxxx> > Date: Wed Jun 15 16:20:12 2022 +0000 > > net: Introduce a new proto_ops ->read_skb() > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1087c0d4e80000 > final oops: https://syzkaller.appspot.com/x/report.txt?x=1287c0d4e80000 > console output: https://syzkaller.appspot.com/x/log.txt?x=1487c0d4e80000 > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+06dbd397158ec0ea4983@xxxxxxxxxxxxxxxxxxxxxxxxx > Fixes: 965b57b469a5 ("net: Introduce a new proto_ops ->read_skb()") > > WARNING: CPU: 1 PID: 5130 at net/ipv4/tcp.c:2396 tcp_recvmsg_locked+0xa54/0x2490 net/ipv4/tcp.c:2396 I'll take a look. Thanks.
