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| author | Markos Fountoulakis <44345837+mfundul@users.noreply.github.com> | 2020-11-28 15:53:12 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-11-28 15:53:12 +0200 |
| commit | 5ffba490e381705750c4e2e3eeda47dee6b3cb3d (patch) | |
| tree | a32ead1a9109f166a0b43d77b94514ff6e599b6f /health | |
| parent | 1a548d533ca18c9276a7b62e499ddfc0000437d7 (diff) | |
Fix race condition in rrdset_first_entry_t() and rrdset_last_entry_t() (#10276)
Diffstat (limited to 'health')
| -rw-r--r-- | health/health.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/health/health.c b/health/health.c index 1ba644e72c..1c6189ab92 100644 --- a/health/health.c +++ b/health/health.c @@ -501,8 +501,10 @@ static inline int rrdcalc_isrunnable(RRDCALC *rc, time_t now, time_t *next_run) } int update_every = rc->rrdset->update_every; - time_t first = rrdset_first_entry_t(rc->rrdset); - time_t last = rrdset_last_entry_t(rc->rrdset); + rrdset_rdlock(rc->rrdset); + time_t first = rrdset_first_entry_t_nolock(rc->rrdset); + time_t last = rrdset_last_entry_t_nolock(rc->rrdset); + rrdset_unlock(rc->rrdset); if(unlikely(now + update_every < first /* || now - update_every > last */)) { debug(D_HEALTH |