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authorAlvaro Herrera <alvherre@alvh.no-ip.org>2019-10-16 14:51:34 +0200
committerAlvaro Herrera <alvherre@alvh.no-ip.org>2019-10-16 14:51:34 +0200
commit0d21f919eb86cd3baa267844d111c6a5af480696 (patch)
treecd33ac1ba1b2afb06bd1be04540f9d1d3c028424 /src/backend/access/gist/gistsplit.c
parenta524f50d0fc6fe6f2146ce708c2c9576d3734da4 (diff)
downloadpostgresql-0d21f919eb86cd3baa267844d111c6a5af480696.tar.gz
postgresql-0d21f919eb86cd3baa267844d111c6a5af480696.zip
Fix crash when reporting CREATE INDEX progress
A race condition can make us try to dereference a NULL pointer to the PGPROC struct of a process that's already finished. That results in crashes during REINDEX CONCURRENTLY and CREATE INDEX CONCURRENTLY. This was introduced in ab0dfc961b6a, so backpatch to pg12. Reported by: Justin Pryzby Reviewed-by: Michaƫl Paquier Discussion: https://postgr.es/m/20191012004446.GT10470@telsasoft.com
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