opnsense-ports/www/waterfox/files/patch-bug1421963
Franco Fichtner f3ad9e785b */*: sync with upstream
Taken from: HardenedBSD
2018-03-17 08:17:44 +01:00

39 lines
1.5 KiB
Text

commit edbe55cb9057
Author: Randell Jesup <rjesup@jesup.org>
Date: Thu Dec 7 13:24:46 2017 -0500
Bug 1421963: lock around SCTP input processing, not just the receive callback r=drno
---
netwerk/sctp/datachannel/DataChannel.cpp | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git netwerk/sctp/datachannel/DataChannel.cpp netwerk/sctp/datachannel/DataChannel.cpp
index 4a0432469a80..6f13826ed7c6 100644
--- netwerk/sctp/datachannel/DataChannel.cpp
+++ netwerk/sctp/datachannel/DataChannel.cpp
@@ -817,6 +817,7 @@ DataChannelConnection::SctpDtlsInput(TransportFlow *flow,
}
}
// Pass the data to SCTP
+ MutexAutoLock lock(mLock);
usrsctp_conninput(static_cast<void *>(this), data, len, 0);
}
@@ -1224,7 +1225,7 @@ DataChannelConnection::SendDeferredMessages()
RefPtr<DataChannel> channel; // we may null out the refs to this
// This may block while something is modifying channels, but should not block for IO
- MutexAutoLock lock(mLock);
+ mLock.AssertCurrentThreadOwns();
LOG(("SendDeferredMessages called, pending type: %d", mPendingType));
if (!mPendingType) {
@@ -2307,7 +2308,7 @@ DataChannelConnection::ReceiveCallback(struct socket* sock, void *data, size_t d
if (!data) {
usrsctp_close(sock); // SCTP has finished shutting down
} else {
- MutexAutoLock lock(mLock);
+ mLock.AssertCurrentThreadOwns();
if (flags & MSG_NOTIFICATION) {
HandleNotification(static_cast<union sctp_notification *>(data), datalen);
} else {