* Re: [syzbot] [mm?] possible deadlock in __unmap_hugepage_range [not found] <00000000000063895c060fd59596@google.com> @ 2024-01-26 9:25 ` Andrew Morton 2024-01-26 9:34 ` Breno Leitao 0 siblings, 1 reply; 2+ messages in thread From: Andrew Morton @ 2024-01-26 9:25 UTC (permalink / raw) To: syzbot; +Cc: leitao, linux-kernel, linux-mm, muchun.song, syzkaller-bugs On Fri, 26 Jan 2024 01:04:29 -0800 syzbot <syzbot+a1deb5533794ff31868e@syzkaller.appspotmail.com> 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@debian.org> > 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 ^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [syzbot] [mm?] possible deadlock in __unmap_hugepage_range 2024-01-26 9:25 ` [syzbot] [mm?] possible deadlock in __unmap_hugepage_range Andrew Morton @ 2024-01-26 9:34 ` Breno Leitao 0 siblings, 0 replies; 2+ messages in thread From: Breno Leitao @ 2024-01-26 9:34 UTC (permalink / raw) To: Andrew Morton; +Cc: syzbot, linux-kernel, linux-mm, muchun.song, syzkaller-bugs 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@syzkaller.appspotmail.com> 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@debian.org> > > 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. ^ permalink raw reply [flat|nested] 2+ messages in thread
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