[PATCH] mail-storage.c: check against NULL address in strcmp() invocation

[Timo Sirainen]

On 10 Jan 2017, at 21.58, Michal Soltys <soltys at ziu.info> wrote:
> 
> Configurations with multiple shared namespaces can trigger a bug
> where the first argument of strcmp() invocation is NULL.
> 
> This patch adds an explicit check, analogously to how the second
> argument is sanitized.

I think it shouldn't be NULL though.. I'd rather add some asserts and figure out why it is. I guess the attached patch assert-crashes? What's the backtrace there?

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