aljaz/lightning
1
0
Fork 0
mirror of https://github.com/aljazceru/lightning.git synced 2026-01-12 18:44:22 +01:00
Code Issues Packages Projects Releases Wiki Activity

lightningd/cryptomsg: fix use-after-free introduced by dev_disconnect.

Browse Source 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2017-06-20 10:10:17 +09:30
parent 9327aa1df4
commit 212b46b1d9
1 changed files with 2 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
lightningd/cryptomsg.c
View File

@@ -332,6 +332,7 @@ struct io_plan *peer_write_message(struct io_conn *conn,
struct peer *))
{
struct io_plan *(*post)(struct io_conn *, struct peer_crypto_state *);
int type = fromwire_peektype(msg);
assert(!pcs->out);
pcs->out = cryptomsg_encrypt_msg(conn, &pcs->cs, msg);
@@ -341,7 +342,7 @@ struct io_plan *peer_write_message(struct io_conn *conn,
post = peer_write_done;
switch (dev_disconnect(fromwire_peektype(msg))) {
switch (dev_disconnect(type)) {
case DEV_DISCONNECT_BEFORE:
return io_close(conn);
case DEV_DISCONNECT_DROPPKT: