On Wed, Jan 27, 2016 at 11:24:22PM +0300, Dan Carpenter wrote:
> 1229 if (ctx->task == TASK_TOMBSTONE ||
> 1230 !atomic_inc_not_zero(&ctx->refcount)) {
> 1231 raw_spin_unlock(&ctx->lock);
> 1232 ctx = NULL;
> ^^^^^^^^^^
> ctx is NULL.
>
> 1233 }
> 1234
> 1235 WARN_ON_ONCE(ctx->task != task);
> ^^^^^^^^^^^^^^^^^
> The patch adds a NULL dereference.
Clearly I didn't manage to trigger that in testing :/
Thanks!
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