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...l post a patch. >>> >> Could you please help to test the attached patch? I've done some smoking >> test. >> >> Thanks > Sorry to say this, but we don't have a reproducer for this bug since our > reproducer is being implemented. > > This crash had occrued a few times in our fuzzer, so I inspected the code > manually. > > It seems the patch is good for me, but we can't test the patch for now. > Sorry. > No problem. I'm trying to craft a reproducer, looks not hard. Thanks

On 2018?05?17? 21:45, DaeRyong Jeong wrote: > We report the crash: KASAN: use-after-free Read in vhost_chr_write_iter > > This crash has been found in v4.17-rc1 using RaceFuzzer (a modified > version of Syzkaller), which we describe more at the end of this > report. Our analysis shows that the race occurs when invoking two > syscalls concurrently, write$vnet and

On 2018?05?17? 21:45, DaeRyong Jeong wrote: > We report the crash: KASAN: use-after-free Read in vhost_chr_write_iter > > This crash has been found in v4.17-rc1 using RaceFuzzer (a modified > version of Syzkaller), which we describe more at the end of this > report. Our analysis shows that the race occurs when invoking two > syscalls concurrently, write$vnet and