syzbot suspects this issue was fixed by commit: commit 7d79cd784470395539bda91bf0b3505ff5b2ab6d Author: Vivek Kasireddy <vivek.kasireddy@xxxxxxxxx> Date: Mon Jun 24 06:36:13 2024 +0000 udmabuf: use vmf_insert_pfn and VM_PFNMAP for handling mmap bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17dad691980000 start commit: 9b6de136b5f0 Merge tag 'loongarch-fixes-6.7-1' of git://gi.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=6ae1a4ee971a7305 dashboard link: https://syzkaller.appspot.com/bug?extid=17a207d226b8a5fb0fd9 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15f58d67680000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10a78c62e80000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: udmabuf: use vmf_insert_pfn and VM_PFNMAP for handling mmap For information about bisection process see: https://goo.gl/tpsmEJ#bisection