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(parent: 8809e28) | patch
qcow2: Fix refcount table size calculation
authorKevin Wolf <kwolf@redhat.com>
Fri, 26 Oct 2012 14:33:32 +0000 (16:33 +0200)
committerKevin Wolf <kwolf@redhat.com>
Wed, 14 Nov 2012 17:19:21 +0000 (18:19 +0100)
commita3548077062dd9dc2701ebffd931ba6eaef40bec
tree910fe8f72cc51590b303e8cdebb73ddaf00a9c6atree
parent8809e28937b8a48ff0dfeeb93498641392f26019commit | diff
qcow2: Fix refcount table size calculation

A missing factor for the refcount table entry size in the calculation
could mean that too little memory was allocated for the in-memory
representation of the table, resulting in a buffer overflow.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Tested-by: Michael Tokarev <mjt@tls.msk.ru>
block/qcow2-refcount.c diff | blob | blame | history
Qemu copy for testing