syzbot has bisected this bug to:

commit 0d8dd67be013727ae57645ecd3ea2c36365d7da8 Author: Song Liu songliubraving@fb.com Date: Wed Dec 6 22:45:14 2017 +0000

perf/headers: Sync new perf_event.h with the tools/include/uapi version

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13240a02100000 start commit: ac935d22 Add linux-next specific files for 20200415 git tree: linux-next final crash: https://syzkaller.appspot.com/x/report.txt?x=10a40a02100000 console output: https://syzkaller.appspot.com/x/log.txt?x=17240a02100000 kernel config: https://syzkaller.appspot.com/x/.config?x=bc498783097e9019 dashboard link: https://syzkaller.appspot.com/bug?extid=347e2331d03d06ab0224 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12d18e6e100000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=104170d6100000

Reported-by: syzbot+347e2331d03d06ab0224@syzkaller.appspotmail.com Fixes: 0d8dd67be013 ("perf/headers: Sync new perf_event.h with the tools/include/uapi version")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection