Allocate enough shared string memory for stats of auxiliary processes.

This fixes a bug whereby the st_appname, st_clienthostname, and
st_activity_raw fields for auxiliary processes point beyond the end of
their respective shared memory segments. As a result, the application_name
of a backend might show up as the client hostname of an auxiliary process.

Backpatch to v10, where this bug was introduced, when the auxiliary
processes were added to the array.

Author: Edmund Horner
Reviewed-by: Michael Paquier



Modified Files
src/backend/postmaster/pgstat.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

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