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1889006b9045fd5750436c412c0836dab7c388d4
ladybird/Kernel/Net
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Gunnar Beutner 9213d1e926 Kernel: Truncate UDP packets on read 
When reading UDP packets from userspace with recvmsg()/recv() we
would hit a VERIFY() if the supplied buffer is smaller than the
received UDP packet. Instead we should just return truncated data
to the caller.

This can be reproduced with:

    $ dd if=/dev/zero bs=1k count=1 | nc -u 192.168.3.190 68
2021-05-06 08:49:35 +02:00
..
ARP.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
E1000NetworkAdapter.cpp
Kernel: Make sure we read all packets
2021-05-01 20:08:08 +02:00
E1000NetworkAdapter.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
EthernetFrameHeader.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
EtherType.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
ICMP.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
IPv4.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
IPv4Socket.cpp
Kernel: Implement IP multicast support
2021-05-05 21:16:17 +02:00
IPv4Socket.h
Kernel: Implement IP multicast support
2021-05-05 21:16:17 +02:00
IPv4SocketTuple.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
LocalSocket.cpp
Kernel: Harden LocalSocket Vector usage against OOM.
2021-05-01 09:10:30 +02:00
LocalSocket.h
Kernel+LibC: Implement the socketpair() syscall
2021-04-28 14:19:45 +02:00
LoopbackAdapter.cpp
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
LoopbackAdapter.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
NE2000NetworkAdapter.cpp
Everywhere: Use "the SerenityOS developers." in copyright headers
2021-04-29 00:59:26 +02:00
NE2000NetworkAdapter.h
Everywhere: Use "the SerenityOS developers." in copyright headers
2021-04-29 00:59:26 +02:00
NetworkAdapter.cpp
Kernel: Respond to packets sent to the directed broadcast address
2021-04-26 18:39:59 +02:00
NetworkAdapter.h
Kernel: Respond to packets sent to the directed broadcast address
2021-04-26 18:39:59 +02:00
NetworkTask.cpp
Kernel: Implement IP multicast support
2021-05-05 21:16:17 +02:00
NetworkTask.h
Kernel: Avoid deadlock when trying to send packets from the NetworkTask
2021-04-30 23:11:56 +02:00
Routing.cpp
Kernel: Avoid deadlock when trying to send packets from the NetworkTask
2021-04-30 23:11:56 +02:00
Routing.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
RTL8139NetworkAdapter.cpp
AK: Rename adopt() to adopt_ref()
2021-04-23 16:46:57 +02:00
RTL8139NetworkAdapter.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
Socket.cpp
Kernel: Harden Socket Vector usage against OOM
2021-05-01 09:10:30 +02:00
Socket.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
TCP.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
TCPSocket.cpp
Everywhere: Turn #if *_DEBUG into dbgln_if/if constexpr
2021-05-01 21:25:06 +02:00
TCPSocket.h
Kernel/IPv4: Propagate errors from local port allocation
2021-04-30 15:27:41 +02:00
UDP.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
UDPSocket.cpp
Kernel: Truncate UDP packets on read
2021-05-06 08:49:35 +02:00
UDPSocket.h
Kernel/IPv4: Propagate errors from local port allocation
2021-04-30 15:27:41 +02:00