On October 4, 2022 1:33:30 AM PDT, Dmitry Vyukov <dvyukov@xxxxxxxxxx> wrote: >On Tue, 4 Oct 2022 at 10:27, syzbot ><syzbot+3a080099974c271cd7e9@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: >> >> Hello, >> >> syzbot found the following issue on: >> >> HEAD commit: 725737e7c21d Merge tag 'statx-dioalign-for-linus' of git:/.. >> git tree: upstream >> console output: https://syzkaller.appspot.com/x/log.txt?x=10257034880000 >> kernel config: https://syzkaller.appspot.com/x/.config?x=486af5e221f55835 >> dashboard link: https://syzkaller.appspot.com/bug?extid=3a080099974c271cd7e9 >> compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 >> >> IMPORTANT: if you fix the issue, please add the following tag to the commit: >> Reported-by: syzbot+3a080099974c271cd7e9@xxxxxxxxxxxxxxxxxxxxxxxxx > >+linux-hardening > >> ------------[ cut here ]------------ >> memcpy: detected field-spanning write (size 28) of single field "&errmsg->msg" at net/netlink/af_netlink.c:2447 (size 16) This is fixed in the pending netdev tree coming for the merge window. -- Kees Cook