@cryptotaxi247 / netdata-1 / commits / 8ce96cdef

Fix heap-use-after-free due to the chart using netdata_config memory for some strings. (#10498)

Markos Fountoulakis committed Jan 13, 2021 at 17:34 UTC 8ce96cdefc7fb443a87f8bc03548afd1fe1df7f4
1 file changed +5 -5
database/rrdset.c
+5 -5
@@ -330,11 +330,6 @@ void rrdset_free(RRDSET *st) {
330
331 rrdset_index_del_name(host, st);
332
333 - // ------------------------------------------------------------------------
334 - // remove it from the configuration
335 -
336 - appconfig_section_destroy_non_loaded(&netdata_config, st->config_section);
337 -
333 // ------------------------------------------------------------------------
334 // free its children structures
335
@@ -353,6 +348,11 @@ void rrdset_free(RRDSET *st) {
348 debug(D_RRD_CALLS, "RRDSET: Cleaning up remaining chart variables for host '%s', chart '%s'", host->hostname, st->id);
349 rrdvar_free_remaining_variables(host, &st->rrdvar_root_index);
350
351 + // ------------------------------------------------------------------------
352 + // remove it from the configuration
353 +
354 + appconfig_section_destroy_non_loaded(&netdata_config, st->config_section);
355 +
356 // ------------------------------------------------------------------------
357 // unlink it from the host
358