This is a note to let you know that I've just added the patch titled ext4: fix possible leak of s_journal_flag_rwsem in error path to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: ext4-fix-possible-leak-of-s_journal_flag_rwsem-in-error-path.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@xxxxxxxxxxxxxxx> know about it. >From af18e35bfd01e6d65a5e3ef84ffe8b252d1628c5 Mon Sep 17 00:00:00 2001 From: Vasily Averin <vvs@xxxxxxxxxxxxx> Date: Wed, 7 Nov 2018 10:56:28 -0500 Subject: ext4: fix possible leak of s_journal_flag_rwsem in error path From: Vasily Averin <vvs@xxxxxxxxxxxxx> commit af18e35bfd01e6d65a5e3ef84ffe8b252d1628c5 upstream. Fixes: c8585c6fcaf2 ("ext4: fix races between changing inode journal ...") Signed-off-by: Vasily Averin <vvs@xxxxxxxxxxxxx> Signed-off-by: Theodore Ts'o <tytso@xxxxxxx> Cc: stable@xxxxxxxxxx # 4.7 Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/ext4/super.c | 1 + 1 file changed, 1 insertion(+) --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -4305,6 +4305,7 @@ failed_mount6: percpu_counter_destroy(&sbi->s_freeinodes_counter); percpu_counter_destroy(&sbi->s_dirs_counter); percpu_counter_destroy(&sbi->s_dirtyclusters_counter); + percpu_free_rwsem(&sbi->s_journal_flag_rwsem); failed_mount5: ext4_ext_release(sb); ext4_release_system_zone(sb); Patches currently in stable-queue which might be from vvs@xxxxxxxxxxxxx are queue-4.9/ext4-add-missing-brelse-add_new_gdb_meta_bg-s-error-path.patch queue-4.9/ext4-avoid-buffer-leak-in-ext4_orphan_add-after-prior-errors.patch queue-4.9/ext4-release-bs.bh-before-re-using-in-ext4_xattr_block_find.patch queue-4.9/ext4-fix-missing-cleanup-if-ext4_alloc_flex_bg_array-fails-while-resizing.patch queue-4.9/ext4-fix-buffer-leak-in-__ext4_read_dirblock-on-error-path.patch queue-4.9/ext4-fix-possible-inode-leak-in-the-retry-loop-of-ext4_resize_fs.patch queue-4.9/ext4-fix-possible-leak-of-sbi-s_group_desc_leak-in-error-path.patch queue-4.9/ext4-add-missing-brelse-in-set_flexbg_block_bitmap-s-error-path.patch queue-4.9/ext4-fix-buffer-leak-in-ext4_xattr_move_to_block-on-error-path.patch queue-4.9/ext4-avoid-potential-extra-brelse-in-setup_new_flex_group_blocks.patch queue-4.9/ext4-add-missing-brelse-update_backups-s-error-path.patch queue-4.9/ext4-avoid-possible-double-brelse-in-add_new_gdb-on-error-path.patch queue-4.9/ext4-fix-possible-leak-of-s_journal_flag_rwsem-in-error-path.patch