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: Michaël Paquier Discussion: https://postgr.es/m/[email protected] Branch ------ REL_12_STABLE Details ------- https://git.postgresql.org/pg/commitdiff/1cd5bc3ccf92a511b087629b2c914dffa9151fce Modified Files -------------- src/backend/commands/indexcmds.c | 6 ++++-- src/backend/storage/lmgr/lmgr.c | 10 ++++------ 2 files changed, 8 insertions(+), 8 deletions(-)
