CLEANUP: cli: ensure we can never double-free error messages
The release handler used to be called twice for some time and just by
pure luck we never ended up double-freeing the data there. Add a NULL
to ensure this can never happen should a future change permit this
situation again.
diff --git a/src/dumpstats.c b/src/dumpstats.c
index ff44120..fd1d123 100644
--- a/src/dumpstats.c
+++ b/src/dumpstats.c
@@ -6155,9 +6155,11 @@
}
else if (appctx->st0 == STAT_CLI_PRINT_FREE) {
free(appctx->ctx.cli.err);
+ appctx->ctx.cli.err = NULL;
}
else if (appctx->st0 == STAT_CLI_O_MLOOK) {
free(appctx->ctx.map.chunk.str);
+ appctx->ctx.map.chunk.str = NULL;
}
}