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Neels Hofmeyr gerrit-no-reply at lists.osmocom.orgReview at https://gerrit.osmocom.org/7558 fix logging talloc ctx: add osmo_init_logging2() Deprecate osmo_init_logging() for the benefit of adding an explicit talloc context argument to new function osmo_init_logging2(). Pass a ctx to log_init() instead of hardcoded NULL. Before now, *all* of our code uses a NULL ctx for logging, which amounts to talloc "leaks" hit by address sanitizer builds on newer gcc (e.g. gcc 7.3.0 on debian 9). This commit helps fixing "leaks" detected in e.g. osmo-bsc unit tests by a sanitize build with gcc (Debian 7.3.0-12) 7.3.0. Change-Id: I216837780e9405fdaec8059c63d10699c695b360 --- M include/osmocom/core/application.h M src/application.c 2 files changed, 11 insertions(+), 2 deletions(-) git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/58/7558/1 diff --git a/include/osmocom/core/application.h b/include/osmocom/core/application.h index 266fa9b..edf59ed 100644 --- a/include/osmocom/core/application.h +++ b/include/osmocom/core/application.h @@ -1,5 +1,7 @@ #pragma once +#include <osmocom/core/defs.h> + /*! * \file application.h * Routines for helping with the osmocom application setup. @@ -15,6 +17,8 @@ extern struct log_target *osmo_stderr_target; void osmo_init_ignore_signals(void); -int osmo_init_logging(const struct log_info *); +int osmo_init_logging(const struct log_info *) + OSMO_DEPRECATED("use osmo_init_logging2() instead to avoid a NULL talloc ctx"); +int osmo_init_logging2(void *ctx, const struct log_info *log_info); int osmo_daemonize(void); diff --git a/src/application.c b/src/application.c index 2d237e2..d912eb7 100644 --- a/src/application.c +++ b/src/application.c @@ -114,13 +114,18 @@ */ int osmo_init_logging(const struct log_info *log_info) { + return osmo_init_logging2(NULL, log_info); +} + +int osmo_init_logging2(void *ctx, const struct log_info *log_info) +{ static int logging_initialized = 0; if (logging_initialized) return -EEXIST; logging_initialized = 1; - log_init(log_info, NULL); + log_init(log_info, ctx); osmo_stderr_target = log_target_create_stderr(); if (!osmo_stderr_target) return -1; -- To view, visit https://gerrit.osmocom.org/7558 To unsubscribe, visit https://gerrit.osmocom.org/settings Gerrit-MessageType: newchange Gerrit-Change-Id: I216837780e9405fdaec8059c63d10699c695b360 Gerrit-PatchSet: 1 Gerrit-Project: libosmocore Gerrit-Branch: master Gerrit-Owner: Neels Hofmeyr <nhofmeyr at sysmocom.de>