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BUG/MINOR: lb-map: fix unprotected update to server's score
authorWilly Tarreau <w@1wt.eu>
Sun, 2 Dec 2018 18:22:55 +0000 (19:22 +0100)
committerWilly Tarreau <w@1wt.eu>
Sun, 2 Dec 2018 18:22:55 +0000 (19:22 +0100)
commitc8b476d9521e4355825ae89c24c12ffbbb1791c7
tree2667420700eb0f777c462854def18ab9fa632889tree | snapshot
parent75a323f04e7aaf80f0592b1b3cc430b23592f978commit | diff
BUG/MINOR: lb-map: fix unprotected update to server's score

The loop trying to figure the best server is theorically capable of
finishing the loop with best == NULL, causing the HA_ATOMIC_SUB()
to fail there. However for this to happen the list should be empty,
which is avoided at the beginning of the function. As it is, the
function still remains at risk so better address this now.

This patch should be backported to 1.8.
src/lb_map.c diff | blob | blame | history
Mirror of https://github.com/haproxy/haproxy.git