[PATCH] Reinitialize dl_load_write_lock on fork (bug 19282)

[Andreas Schwab]

On Okt 05 2017, Florian Weimer <fweimer@redhat.com> wrote:

> On 10/05/2017 05:17 PM, Andreas Schwab wrote:
>> -      /* Reset the lock the dynamic loader uses to protect its data.  */
>> +      /* Reset the locks the dynamic loader uses to protect its data.  */
>>         __rtld_lock_initialize (GL(dl_load_lock));
>> +      __rtld_lock_initialize (GL(dl_load_write_lock));
>
> I'm pretty sure that the child now sees corrupted a dynamic linker state
> instead of hanging.

That's a good point, though this problem already existed before the
introduction of dl_load_write_lock.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
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