This is a note to let you know that I've just added the patch titled

btrfs: tests: Fix a memory leak in error handling path in 'run_test()'

to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...

The filename of the patch is: btrfs-tests-fix-a-memory-leak-in-error-handling-path-in-run_test.patch and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.

From foo@baz Mon Dec 18 14:12:35 CET 2017

From: Christophe JAILLET christophe.jaillet@wanadoo.fr Date: Sun, 10 Sep 2017 13:19:38 +0200 Subject: btrfs: tests: Fix a memory leak in error handling path in 'run_test()'

From: Christophe JAILLET christophe.jaillet@wanadoo.fr

[ Upstream commit 9ca2e97fa3c3216200afe35a3b111ec51cc796d2 ]

If 'btrfs_alloc_path()' fails, we must free the resources already allocated, as done in the other error handling paths in this function.

Signed-off-by: Christophe JAILLET christophe.jaillet@wanadoo.fr Reviewed-by: Qu Wenruo quwenruo.btrfs@gmx.com Signed-off-by: David Sterba dsterba@suse.com Signed-off-by: Sasha Levin alexander.levin@verizon.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/btrfs/tests/free-space-tree-tests.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/fs/btrfs/tests/free-space-tree-tests.c +++ b/fs/btrfs/tests/free-space-tree-tests.c @@ -501,7 +501,8 @@ static int run_test(test_func_t test_fun path = btrfs_alloc_path(); if (!path) { test_msg("Couldn't allocate path\n"); - return -ENOMEM; + ret = -ENOMEM; + goto out; }

ret = add_block_group_free_space(&trans, root->fs_info, cache);

Patches currently in stable-queue which might be from christophe.jaillet@wanadoo.fr are

queue-4.9/video-fbdev-au1200fb-release-some-resources-if-a-memory-allocation-fails.patch queue-4.9/video-fbdev-au1200fb-return-an-error-code-if-a-memory-allocation-fails.patch queue-4.9/btrfs-tests-fix-a-memory-leak-in-error-handling-path-in-run_test.patch