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| author | Sage Weil <sage@newdream.net> | 2010-05-11 15:01:51 -0700 |
|---|---|---|
| committer | Sage Weil <sage@newdream.net> | 2010-05-11 15:17:40 -0700 |
| commit | 45c6ceb547ad2d98215351974a4686bf8cb13e14 (patch) | |
| tree | f7d5dc6b7900faebef1a29a5e0af5ac263a64337 /fs | |
| parent | 9abf82b8bc93dd904738a71ca69aa5df356d4d24 (diff) | |
| download | kernel_samsung_crespo-45c6ceb547ad2d98215351974a4686bf8cb13e14.zip kernel_samsung_crespo-45c6ceb547ad2d98215351974a4686bf8cb13e14.tar.gz kernel_samsung_crespo-45c6ceb547ad2d98215351974a4686bf8cb13e14.tar.bz2 | |
ceph: zero unused message header, footer fields
We shouldn't leak any prior memory contents to other parties. And random
data, particularly in the 'version' field, can cause problems down the
line.
Signed-off-by: Sage Weil <sage@newdream.net>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ceph/messenger.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/ceph/messenger.c b/fs/ceph/messenger.c index 509f57d..a3a8f36 100644 --- a/fs/ceph/messenger.c +++ b/fs/ceph/messenger.c @@ -2085,15 +2085,19 @@ struct ceph_msg *ceph_msg_new(int type, int front_len, kref_init(&m->kref); INIT_LIST_HEAD(&m->list_head); + m->hdr.tid = 0; m->hdr.type = cpu_to_le16(type); + m->hdr.priority = cpu_to_le16(CEPH_MSG_PRIO_DEFAULT); + m->hdr.version = 0; m->hdr.front_len = cpu_to_le32(front_len); m->hdr.middle_len = 0; m->hdr.data_len = cpu_to_le32(page_len); m->hdr.data_off = cpu_to_le16(page_off); - m->hdr.priority = cpu_to_le16(CEPH_MSG_PRIO_DEFAULT); + m->hdr.reserved = 0; m->footer.front_crc = 0; m->footer.middle_crc = 0; m->footer.data_crc = 0; + m->footer.flags = 0; m->front_max = front_len; m->front_is_vmalloc = false; m->more_to_follow = false; |