On Fri, Jan 26, 2024 at 01:25:40AM -0800, Andrew Morton wrote: > On Fri, 26 Jan 2024 01:04:29 -0800 syzbot <syzbot+a1deb5533794ff31868e@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > > Hello, > > > > syzbot found the following issue on: > > > > HEAD commit: 8bf1262c53f5 Add linux-next specific files for 20240124 > > git tree: linux-next > > console+strace: https://syzkaller.appspot.com/x/log.txt?x=1218a7abe80000 > > kernel config: https://syzkaller.appspot.com/x/.config?x=ff4b59a824278780 > > dashboard link: https://syzkaller.appspot.com/bug?extid=a1deb5533794ff31868e > > compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 > > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=151a9cf7e80000 > > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=164b70cfe80000 > > > > Downloadable assets: > > disk image: https://storage.googleapis.com/syzbot-assets/7696d711072d/disk-8bf1262c.raw.xz > > vmlinux: https://storage.googleapis.com/syzbot-assets/92cd47c28072/vmlinux-8bf1262c.xz > > kernel image: https://storage.googleapis.com/syzbot-assets/add5c7493418/bzImage-8bf1262c.xz > > > > The issue was bisected to: > > > > commit 947b031634e7af3d265275c26ec17e2f96fdb5a1 > > Author: Breno Leitao <leitao@xxxxxxxxxx> > > Date: Wed Jan 17 17:10:57 2024 +0000 > > > > mm/hugetlb: restore the reservation if needed > > Thanks. But moments after I moved this into mm.git's > mm-hotfixes-stable branch, in preparation for upstreaming. > > I have fully dropped the patches titled > > mm/hugetlb: restore the reservation if needed > selftests/mm: run_vmtests.sh: add hugetlb_madv_vs_map > Thanks Andrew. Let me investigate it. I post as I find what's wrong.