Cancel CV sleep during subtransaction abort. Generally, error recovery paths that need to do things like LWLockReleaseAll and pgstat_report_wait_end also need to call ConditionVariableCancelSleep, but AbortSubTransaction was missed.
Since subtransaction abort might destroy up the DSM segment that contains the ConditionVariable stored in cv_sleep_target, this can result in a crash for anything using condition variables. Reported and diagnosed by Andres Freund. Discussion: http://postgr.es/m/20171221110048.rxk6464azzl5t...@alap3.anarazel.de Branch ------ master Details ------- https://git.postgresql.org/pg/commitdiff/59d1e2b95a826869e2789ffe01e9e552148eefde Modified Files -------------- src/backend/access/transam/xact.c | 3 +++ 1 file changed, 3 insertions(+)
