[openssl-dev] Suspicious crash in 1.0.2

Erik Forsberg erik at efca.com
Sat Feb 28 23:23:00 UTC 2015


Its definitively in the MULTIBLOCK code.
Works fine if building 1.0.2 with NO_MULTIBLOCK

>-- Original Message --
>
>I suspect that happens in the previous call to SSL_write.
>It returns WANT_WRITE, then next call to SSL_write gives the EFAULT
>I see that from my app server logs.
>
>>-- Original Message --
>>
>>On Fri, Feb 27, 2015 at 10:53:05PM -0800, Erik Forsberg wrote:
>>> Hi.
>>> I seem to have run into a really hard to pin down issue in
>>> OpenSSL 1.0.2. Normally, it simply causes an EFAULT during
>>> a write syscall, which makes me close the connection, but
>>> to investigate, I added a core dump at that time. This is what I see
>>
>>Do you get an EAGAIN just before the EFAULT?
>>
>>
>>Kurt
>>
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