On 02/03/2013 08:24 AM, Or Gerlitz wrote:
On 02/02/2013 09:16, sean.he...@intel.com wrote:
Older kernels have a bug where it can report an event with the
uid set to 0. The librdmacm crashes when casting the uid to
an rdma_cm_id and dereferencing the NULL pointer.
There are a limited number of events where this can occur and
in most cases it's safe to simply discard the event. (This is
what the kernel does anyway.) However, it's possible for us
to process an RDMA_CM_EVENT_ESTABLISHED event with the uid
set to 0. (See kernel commit 418edaaba96e58112b15c82b4907084e2a9caf42.)
Hi Sean,
It would be also worthwhile to nail the fix to the root cause little
further, e.g push
kernel commit 418edaaba96 to -stable
Agreed, I opened RHEL bugzilla #719749 (somehow marked as private, no
idea why) and hope RedHat is going to back port it into their kernels soon.
Cheersm,
Bernd
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