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authorLinus Torvalds <torvalds@linux-foundation.org>2018-11-11 16:53:02 -0600
committerLinus Torvalds <torvalds@linux-foundation.org>2018-11-11 16:53:02 -0600
commitc140f8b072d16595c83d4d16a05693e72d9b1973 (patch)
tree74086ab3eb02a9294a8806563bf3086664ff577a /fs/ext4/namei.c
parentb6df7b6db1c1837fc9eada74ed561cbfe7746755 (diff)
parenteb6984fa4ce2837dcb1f66720a600f31b0bb3739 (diff)
downloadlinux-stericsson-c140f8b072d16595c83d4d16a05693e72d9b1973.tar.gz
Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 fixes from Ted Ts'o: "A large number of ext4 bug fixes, mostly buffer and memory leaks on error return cleanup paths" * tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: missing !bh check in ext4_xattr_inode_write() ext4: fix buffer leak in __ext4_read_dirblock() on error path ext4: fix buffer leak in ext4_expand_extra_isize_ea() on error path ext4: fix buffer leak in ext4_xattr_move_to_block() on error path ext4: release bs.bh before re-using in ext4_xattr_block_find() ext4: fix buffer leak in ext4_xattr_get_block() on error path ext4: fix possible leak of s_journal_flag_rwsem in error path ext4: fix possible leak of sbi->s_group_desc_leak in error path ext4: remove unneeded brelse call in ext4_xattr_inode_update_ref() ext4: avoid possible double brelse() in add_new_gdb() on error path ext4: avoid buffer leak in ext4_orphan_add() after prior errors ext4: avoid buffer leak on shutdown in ext4_mark_iloc_dirty() ext4: fix possible inode leak in the retry loop of ext4_resize_fs() ext4: fix missing cleanup if ext4_alloc_flex_bg_array() fails while resizing ext4: add missing brelse() update_backups()'s error path ext4: add missing brelse() add_new_gdb_meta_bg()'s error path ext4: add missing brelse() in set_flexbg_block_bitmap()'s error path ext4: avoid potential extra brelse in setup_new_flex_group_blocks()
Diffstat (limited to 'fs/ext4/namei.c')
-rw-r--r--fs/ext4/namei.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 17adcb16a9c8..437f71fe83ae 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -126,6 +126,7 @@ static struct buffer_head *__ext4_read_dirblock(struct inode *inode,
if (!is_dx_block && type == INDEX) {
ext4_error_inode(inode, func, line, block,
"directory leaf block found instead of index block");
+ brelse(bh);
return ERR_PTR(-EFSCORRUPTED);
}
if (!ext4_has_metadata_csum(inode->i_sb) ||
@@ -2811,7 +2812,9 @@ int ext4_orphan_add(handle_t *handle, struct inode *inode)
list_del_init(&EXT4_I(inode)->i_orphan);
mutex_unlock(&sbi->s_orphan_lock);
}
- }
+ } else
+ brelse(iloc.bh);
+
jbd_debug(4, "superblock will point to %lu\n", inode->i_ino);
jbd_debug(4, "orphan inode %lu will point to %d\n",
inode->i_ino, NEXT_ORPHAN(inode));