syzbot has bisected this issue to:
commit c6a3194c05e7e6fd0e8fbfb1720084ae2503c4ac
Author: Vivek Kasireddy <vivek.kasireddy@xxxxxxxxx>
Date: Mon Jun 24 06:36:16 2024 +0000
udmabuf: pin the pages using memfd_pin_folios() API
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12c71724580000
start commit: 69e858e0b8b2 Merge tag 'uml-for-linus-6.14-rc1' of git://g..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=11c71724580000
console output: https://syzkaller.appspot.com/x/log.txt?x=16c71724580000
kernel config: https://syzkaller.appspot.com/x/.config?x=d033b14aeef39158
dashboard link: https://syzkaller.appspot.com/bug?extid=a504cb5bae4fe117ba94
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1324fddf980000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=128b55f8580000
Reported-by: syzbot+a504cb5bae4fe117ba94@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: c6a3194c05e7 ("udmabuf: pin the pages using memfd_pin_folios() API")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
