Created attachment 328465 [details] Testing program Description of problem: When the signal queue is filled up to RLIMIT_SIGPENDING, the subsequent signal (not originated from the sigqueue call) would miss the siginfo. Version-Release number of selected component (if applicable): kernel-2.6.9-78.21 How reproducible: always Steps to Reproduce: 1. compile and run the testing c-program. Actual results: The application prints: signal: signo=11 si_code=0 si_addr=(nil) Expected results: The application prints: signal: signo=11 si_code=1 si_addr=0xffffffff
Created attachment 328466 [details] Proposed patch My attempt to backport the fix from RHEL-5 kernel. Briefly tested on i386 and seems to work OK.
Looks like a straightforward backport to the current upstream behavior.
This request was evaluated by Red Hat Product Management for inclusion in a Red Hat Enterprise Linux maintenance release. Product Management has requested further review of this request by Red Hat Engineering, for potential inclusion in a Red Hat Enterprise Linux Update release for currently deployed products. This request is not yet committed for inclusion in an Update release.
Committed in 89.6.EL . RPMS are available at http://people.redhat.com/vgoyal/rhel4/
An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on therefore solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHSA-2011-0263.html