| Message ID | 1428357488-15436-1-git-send-email-kamal@canonical.com |
|---|---|
| State | New |
| Headers | show |
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 18bf34e..29f3a9b 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -991,7 +991,7 @@ again: base = btrfs_item_ptr_offset(leaf, path->slots[0]); while (cur_offset < item_size) { - extref = (struct btrfs_inode_extref *)base + cur_offset; + extref = (struct btrfs_inode_extref *)(base + cur_offset); victim_name_len = btrfs_inode_extref_name_len(leaf, extref);
This is a note to let you know that I have just added a patch titled Btrfs:__add_inode_ref: out of bounds memory read when looking for extended ref. to the linux-3.13.y-queue branch of the 3.13.y-ckt extended stable tree which can be found at: http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.13.y-queue This patch is scheduled to be released in version 3.13.11-ckt19. If you, or anyone else, feels it should not be added to this tree, please reply to this email. For more information about the 3.13.y-ckt tree, see https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable Thanks. -Kamal ------ From e64d0b15c11e26f793f6e6cc15824bf138bae169 Mon Sep 17 00:00:00 2001 From: Quentin Casasnovas <quentin.casasnovas@oracle.com> Date: Tue, 3 Mar 2015 16:31:38 +0100 Subject: Btrfs:__add_inode_ref: out of bounds memory read when looking for extended ref. commit dd9ef135e3542ffc621c4eb7f0091870ec7a1504 upstream. Improper arithmetics when calculting the address of the extended ref could lead to an out of bounds memory read and kernel panic. Signed-off-by: Quentin Casasnovas <quentin.casasnovas@oracle.com> Reviewed-by: David Sterba <dsterba@suse.cz> Signed-off-by: Chris Mason <clm@fb.com> Signed-off-by: Kamal Mostafa <kamal@canonical.com> --- fs/btrfs/tree-log.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -- 1.9.1