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(parent: f4a7f91) | patch
Btrfs:__add_inode_ref: out of bounds memory read when looking for extended ref.
authorQuentin Casasnovas <quentin.casasnovas@oracle.com>
Tue, 3 Mar 2015 15:31:38 +0000 (16:31 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 18 Mar 2015 13:10:59 +0000 (14:10 +0100)
commitb0539dd5ecdcb164afc72aafd102db8626e42e49
tree2e99d4ee60bee6a49b3b6dca43ba7172659842catree | snapshot
parentf4a7f91a08bd06f430c72b482c46386b4f3268e7commit | diff
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fs/btrfs/tree-log.c diff | blob | history
Linux kernels and configurations used by Zygo.