Messages in this thread | | | Date | Thu, 26 Jan 2023 08:14:24 -0500 | From | "Liam R. Howlett" <> | Subject | Re: [syzbot] KASAN: use-after-free Read in mas_next_nentry |
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syz fix: fs/userfaultfd: Fix maple tree iterator in userfaultfd_unregister()
* syzbot <syzbot+7170d66493145b71afd4@syzkaller.appspotmail.com> [230125 17:04]: > syzbot suspects this issue was fixed by commit: > > commit 59f2f4b8a757412fce372f6d0767bdb55da127a8 > Author: Liam Howlett <liam.howlett@oracle.com> > Date: Mon Nov 7 20:11:42 2022 +0000 > > fs/userfaultfd: Fix maple tree iterator in userfaultfd_unregister() > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=129e8afe480000 > start commit: b229b6ca5abb Merge tag 'perf-tools-fixes-for-v6.1-2022-10-.. > git tree: upstream > kernel config: https://syzkaller.appspot.com/x/.config?x=a66c6c673fb555e8 > dashboard link: https://syzkaller.appspot.com/bug?extid=7170d66493145b71afd4 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11bfb2a9880000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10b1d319880000 > > If the result looks correct, please mark the issue as fixed by replying with: > > #syz fix: fs/userfaultfd: Fix maple tree iterator in userfaultfd_unregister() > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection
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