syzbot has bisected this issue to:
commit 9c8ad7a2ff0bfe58f019ec0abc1fb965114dde7d
Author: David Howells <dhowells@xxxxxxxxxx>
Date: Thu May 16 11:52:27 2019 +0000
uapi, x86: Fix the syscall numbering of the mount API syscalls [ver #2]
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=169b475ea80000
start commit: fdf0eaf11452 Linux 6.5-rc2
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=159b475ea80000
console output: https://syzkaller.appspot.com/x/log.txt?x=119b475ea80000
kernel config: https://syzkaller.appspot.com/x/.config?x=27e33fd2346a54b
dashboard link: https://syzkaller.appspot.com/bug?extid=607aa822c60b2e75b269
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11322fb6a80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17687f1aa80000
Reported-by: syzbot+607aa822c60b2e75b269@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 9c8ad7a2ff0b ("uapi, x86: Fix the syscall numbering of the mount API syscalls [ver #2]")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
