From e82bcc33ed2d5cd54d3f918397f31818089299ad Mon Sep 17 00:00:00 2001 From: Mohit Agrawal Date: Mon, 26 Nov 2018 14:40:00 +0530 Subject: posix: posix_health_check_thread_proc crash due to priv is NULL Problem: posix_fini sends a cancellation request to health_check thread and cleanup priv without ensuring health_check thread is running Solution: Make health_check && disk_space thread joinable and call gf_thread_cleanup_xint to wait unless thread is not finished Change-Id: I4d37b08138766881dab0922a47ed68a2c3411f13 fixes: bz#1636570 Signed-off-by: Mohit Agrawal --- xlators/storage/posix/src/posix-common.c | 15 +++++++++++---- xlators/storage/posix/src/posix-helpers.c | 8 +++----- 2 files changed, 14 insertions(+), 9 deletions(-) (limited to 'xlators/storage/posix/src') diff --git a/xlators/storage/posix/src/posix-common.c b/xlators/storage/posix/src/posix-common.c index fd7c9fe779b..111542ef3ae 100644 --- a/xlators/storage/posix/src/posix-common.c +++ b/xlators/storage/posix/src/posix-common.c @@ -1071,18 +1071,25 @@ void posix_fini(xlator_t *this) { struct posix_private *priv = this->private; + gf_boolean_t health_check = _gf_false; + if (!priv) return; LOCK(&priv->lock); - if (priv->health_check_active) { + { + health_check = priv->health_check_active; priv->health_check_active = _gf_false; - pthread_cancel(priv->health_check); - priv->health_check = 0; } UNLOCK(&priv->lock); + + if (health_check) { + (void)gf_thread_cleanup_xint(priv->health_check); + priv->health_check = 0; + } + if (priv->disk_space_check) { priv->disk_space_check_active = _gf_false; - pthread_cancel(priv->disk_space_check); + (void)gf_thread_cleanup_xint(priv->disk_space_check); priv->disk_space_check = 0; } if (priv->janitor) { diff --git a/xlators/storage/posix/src/posix-helpers.c b/xlators/storage/posix/src/posix-helpers.c index 8f76eacd8c4..ed0516d4c4a 100644 --- a/xlators/storage/posix/src/posix-helpers.c +++ b/xlators/storage/posix/src/posix-helpers.c @@ -2116,8 +2116,6 @@ posix_spawn_health_check_thread(xlator_t *xl) goto unlock; } - /* run the thread detached, resources will be freed on exit */ - pthread_detach(priv->health_check); priv->health_check_active = _gf_true; } unlock: @@ -2220,9 +2218,9 @@ posix_spawn_disk_space_check_thread(xlator_t *xl) priv->disk_space_check_active = _gf_false; } - ret = gf_thread_create_detached(&priv->disk_space_check, - posix_disk_space_check_thread_proc, xl, - "posix_reserve"); + ret = gf_thread_create(&priv->disk_space_check, NULL, + posix_disk_space_check_thread_proc, xl, + "posix_reserve"); if (ret < 0) { priv->disk_space_check_active = _gf_false; gf_msg(xl->name, GF_LOG_ERROR, errno, P_MSG_DISK_SPACE_CHECK_FAILED, -- cgit