Messages in this thread | | | Subject | Re: general protection fault in io_poll_double_wake | From | Jens Axboe <> | Date | Sat, 15 Aug 2020 11:16:17 -0700 |
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On 8/15/20 10:00 AM, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: 7fca4dee Merge tag 'powerpc-5.9-2' of git://git.kernel.org.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=1264d116900000 > kernel config: https://syzkaller.appspot.com/x/.config?x=21f0d1d2df6d5fc > dashboard link: https://syzkaller.appspot.com/bug?extid=7f617d4a9369028b8a2c > compiler: clang version 10.0.0 (https://github.com/llvm/llvm-project/ c2443155a0fb245c8f17f2c1c72b6ea391e86e81) > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10f211d2900000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1721b0ce900000 > > The issue was bisected to: > > commit 18bceab101adde8f38de76016bc77f3f25cf22f4 > Author: Jens Axboe <axboe@kernel.dk> > Date: Fri May 15 17:56:54 2020 +0000 > > io_uring: allow POLL_ADD with double poll_wait() users
I can reproduce this, I'll fix it up. Thanks!
-- Jens Axboe
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