From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: "Tobin C. Harding" <tobin@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Peter Zijlstra <peterz@infradead.org>,
"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
Vincent Guittot <vincent.guittot@linaro.org>,
Viresh Kumar <viresh.kumar@linaro.org>,
Ingo Molnar <mingo@kernel.org>, Sasha Levin <sashal@kernel.org>
Subject: [PATCH AUTOSEL 4.14 13/16] sched/cpufreq: Fix kobject memleak
Date: Thu, 16 May 2019 07:41:04 -0400 [thread overview]
Message-ID: <20190516114107.8963-13-sashal@kernel.org> (raw)
In-Reply-To: <20190516114107.8963-1-sashal@kernel.org>
From: "Tobin C. Harding" <tobin@kernel.org>
[ Upstream commit 9a4f26cc98d81b67ecc23b890c28e2df324e29f3 ]
Currently the error return path from kobject_init_and_add() is not
followed by a call to kobject_put() - which means we are leaking
the kobject.
Fix it by adding a call to kobject_put() in the error path of
kobject_init_and_add().
Signed-off-by: Tobin C. Harding <tobin@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tobin C. Harding <tobin@kernel.org>
Cc: Vincent Guittot <vincent.guittot@linaro.org>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Link: http://lkml.kernel.org/r/20190430001144.24890-1-tobin@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
kernel/sched/cpufreq_schedutil.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c
index b314c9eaa71d3..f8c45d30ec6d0 100644
--- a/kernel/sched/cpufreq_schedutil.c
+++ b/kernel/sched/cpufreq_schedutil.c
@@ -600,6 +600,7 @@ static int sugov_init(struct cpufreq_policy *policy)
return 0;
fail:
+ kobject_put(&tunables->attr_set.kobj);
policy->governor_data = NULL;
sugov_tunables_free(tunables);
--
2.20.1
next prev parent reply other threads:[~2019-05-16 11:41 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-16 11:40 [PATCH AUTOSEL 4.14 01/16] xfrm: policy: Fix out-of-bound array accesses in __xfrm_policy_unlink Sasha Levin
2019-05-16 11:40 ` [PATCH AUTOSEL 4.14 02/16] xfrm6_tunnel: Fix potential panic when unloading xfrm6_tunnel module Sasha Levin
2019-05-16 11:40 ` [PATCH AUTOSEL 4.14 03/16] vti4: ipip tunnel deregistration fixes Sasha Levin
2019-05-16 11:40 ` [PATCH AUTOSEL 4.14 04/16] esp4: add length check for UDP encapsulation Sasha Levin
2019-05-16 11:40 ` [PATCH AUTOSEL 4.14 05/16] xfrm4: Fix uninitialized memory read in _decode_session4 Sasha Levin
2019-05-16 11:40 ` [PATCH AUTOSEL 4.14 06/16] power: supply: cpcap-battery: Fix division by zero Sasha Levin
2019-05-19 21:31 ` Pavel Machek
2019-05-16 11:40 ` [PATCH AUTOSEL 4.14 07/16] securityfs: fix use-after-free on symlink traversal Sasha Levin
2019-05-16 11:40 ` [PATCH AUTOSEL 4.14 08/16] apparmorfs: " Sasha Levin
2019-05-16 11:41 ` [PATCH AUTOSEL 4.14 09/16] mac80211: Fix kernel panic due to use of txq after free Sasha Levin
2019-05-16 11:41 ` [PATCH AUTOSEL 4.14 10/16] KVM: arm/arm64: Ensure vcpu target is unset on reset failure Sasha Levin
2019-05-16 11:41 ` [PATCH AUTOSEL 4.14 11/16] power: supply: sysfs: prevent endless uevent loop with CONFIG_POWER_SUPPLY_DEBUG Sasha Levin
2019-05-16 11:41 ` [PATCH AUTOSEL 4.14 12/16] iwlwifi: mvm: check for length correctness in iwl_mvm_create_skb() Sasha Levin
2019-05-16 11:41 ` Sasha Levin [this message]
2019-05-16 11:41 ` [PATCH AUTOSEL 4.14 14/16] x86/mm/mem_encrypt: Disable all instrumentation for early SME setup Sasha Levin
2019-05-16 11:41 ` [PATCH AUTOSEL 4.14 15/16] ufs: fix braino in ufs_get_inode_gid() for solaris UFS flavour Sasha Levin
2019-05-16 11:41 ` [PATCH AUTOSEL 4.14 16/16] perf bench numa: Add define for RUSAGE_THREAD if not present Sasha Levin
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