On Thu, 16 Feb 2023 at 11:04, Dmitry Vyukov <dvyukov@xxxxxxxxxx> wrote: > > On Thu, 16 Feb 2023 at 11:00, syzbot > <syzbot+91c3651bb190d53b4d16@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > > > Hello, > > > > syzbot found the following issue on: > > > > HEAD commit: 9d9019bcea1a Add linux-next specific files for 20230215 > > git tree: linux-next > > console output: https://syzkaller.appspot.com/x/log.txt?x=11ad7710c80000 > > kernel config: https://syzkaller.appspot.com/x/.config?x=60f48e09dc64b527 > > dashboard link: https://syzkaller.appspot.com/bug?extid=91c3651bb190d53b4d16 > > compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 > > > > Unfortunately, I don't have any reproducer for this issue yet. > > > > Downloadable assets: > > disk image: https://storage.googleapis.com/syzbot-assets/7a22fa9fb779/disk-9d9019bc.raw.xz > > vmlinux: https://storage.googleapis.com/syzbot-assets/68851ce42fd7/vmlinux-9d9019bc.xz > > kernel image: https://storage.googleapis.com/syzbot-assets/09be0a2c410b/bzImage-9d9019bc.xz > > > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > > Reported-by: syzbot+91c3651bb190d53b4d16@xxxxxxxxxxxxxxxxxxxxxxxxx > > > > WARNING: stack going in the wrong direction? at __sys_setsockopt+0x2c6/0x5b0 net/socket.c:2271 > > +Josh, Ingo, > > Yesterday we started seeing lots of "stack going in the wrong > direction" all over the kernel. > > I see there is only your recent commit to ORC unwinder: > "x86/unwind/orc: Add 'signal' field to ORC metadata" > > Can it be related? #syz fix: objtool: Fix ORC 'signal' propagation