From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
stable@vger.kernel.org, Colin Ian King <colin.king@canonical.com>,
Mike Marshall <hubcap@omnibond.com>,
Martin Brandenburg <martin@omnibond.com>
Subject: [PATCH 4.9 08/31] orangefs: fix memory leak of string new on exit path
Date: Sun, 16 Apr 2017 10:03:59 +0200 [thread overview]
Message-ID: <20170416080222.235079692@linuxfoundation.org> (raw)
In-Reply-To: <20170416080221.808058771@linuxfoundation.org>
4.9-stable review patch. If anyone has any objections, please let me know.
------------------
From: Colin Ian King <colin.king@canonical.com>
commit 4defb5f912a0ba60e07e91a4b62634814cd99b7f upstream.
allocates string 'new' is not free'd on the exit path when
cdm_element_count <= 0. Fix this by kfree'ing it.
Fixes CoverityScan CID#1375923 "Resource Leak"
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
Signed-off-by: Martin Brandenburg <martin@omnibond.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/orangefs/orangefs-debugfs.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/fs/orangefs/orangefs-debugfs.c
+++ b/fs/orangefs/orangefs-debugfs.c
@@ -671,8 +671,10 @@ int orangefs_prepare_debugfs_help_string
*/
cdm_element_count =
orangefs_prepare_cdm_array(client_debug_array_string);
- if (cdm_element_count <= 0)
+ if (cdm_element_count <= 0) {
+ kfree(new);
goto out;
+ }
for (i = 0; i < cdm_element_count; i++) {
strlcat(new, "\t", string_size);
next prev parent reply other threads:[~2017-04-16 8:06 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-16 8:03 [PATCH 4.9 00/31] 4.9.23-stable review Greg Kroah-Hartman
2017-04-16 8:03 ` [PATCH 4.9 05/31] drm/i915: Drop support for I915_EXEC_CONSTANTS_* execbuf parameters Greg Kroah-Hartman
2017-04-16 8:03 ` [PATCH 4.9 06/31] drm/i915: Stop using RP_DOWN_EI on Baytrail Greg Kroah-Hartman
2017-04-16 8:03 ` [PATCH 4.9 07/31] drm/i915: Avoid rcu_barrier() from reclaim paths (shrinker) Greg Kroah-Hartman
2017-04-16 8:03 ` Greg Kroah-Hartman [this message]
2017-04-16 8:04 ` [PATCH 4.9 09/31] orangefs: Dan Carpenter influenced cleanups Greg Kroah-Hartman
2017-04-16 8:04 ` [PATCH 4.9 10/31] orangefs: fix buffer size mis-match between kernel space and user space Greg Kroah-Hartman
2017-04-16 8:04 ` [PATCH 4.9 12/31] rt2x00usb: fix anchor initialization Greg Kroah-Hartman
2017-04-16 8:04 ` [PATCH 4.9 13/31] rt2x00usb: do not anchor rx and tx urbs Greg Kroah-Hartman
2017-04-16 8:04 ` [PATCH 4.9 14/31] rt2x00: Fix incorrect usage of CONFIG_RT2X00_LIB_USB Greg Kroah-Hartman
2017-04-16 8:04 ` [PATCH 4.9 16/31] MIPS: Introduce irq_stack Greg Kroah-Hartman
2017-04-16 8:04 ` [PATCH 4.9 17/31] MIPS: Stack unwinding while on IRQ stack Greg Kroah-Hartman
2017-04-16 8:04 ` [PATCH 4.9 18/31] MIPS: Only change $28 to thread_info if coming from user mode Greg Kroah-Hartman
2017-04-16 8:04 ` [PATCH 4.9 19/31] MIPS: Switch to the irq_stack in interrupts Greg Kroah-Hartman
2017-04-16 8:04 ` [PATCH 4.9 20/31] MIPS: Select HAVE_IRQ_EXIT_ON_IRQ_STACK Greg Kroah-Hartman
2017-04-16 8:04 ` [PATCH 4.9 21/31] MIPS: IRQ Stack: Fix erroneous jal to plat_irq_dispatch Greg Kroah-Hartman
2017-04-16 8:04 ` [PATCH 4.9 24/31] [PATCH] Revert "drm/i915/execlists: Reset RING registers upon resume" Greg Kroah-Hartman
2017-04-16 8:04 ` [PATCH 4.9 25/31] net/packet: fix overflow in check for priv area size Greg Kroah-Hartman
2017-04-16 8:04 ` [PATCH 4.9 26/31] blk-mq: Avoid memory reclaim when remapping queues Greg Kroah-Hartman
2017-04-16 8:04 ` [PATCH 4.9 27/31] usb: hub: Wait for connection to be reestablished after port reset Greg Kroah-Hartman
2017-04-16 8:04 ` [PATCH 4.9 28/31] net/mlx4_en: Fix bad WQE issue Greg Kroah-Hartman
2017-04-16 8:04 ` [PATCH 4.9 29/31] net/mlx4_core: Fix racy CQ (Completion Queue) free Greg Kroah-Hartman
2017-04-16 8:04 ` [PATCH 4.9 30/31] net/mlx4_core: Fix when to save some qp context flags for dynamic VST to VGT transitions Greg Kroah-Hartman
2017-04-16 21:29 ` [PATCH 4.9 00/31] 4.9.23-stable review Guenter Roeck
2017-04-17 18:21 ` Shuah Khan
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