Messages in this thread | | | Date | Wed, 25 Jan 2023 14:04:17 -0800 | Subject | Re: [syzbot] KASAN: use-after-free Read in mas_next_nentry | From | syzbot <> |
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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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