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IPv4: Drop incoming packets on sockets that are shut down for reading

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This commit is contained in:
Andreas Kling 2020-02-08 00:58:11 +01:00
parent 2b0b7cc5a4
commit 0c12d9a618
Notes: sideshowbarker 2024-07-19 09:32:25 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/0c12d9a6182
1 changed files with 4 additions and 0 deletions
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4
Kernel/Net/IPv4Socket.cpp
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@ -347,6 +347,10 @@ ssize_t IPv4Socket::recvfrom(FileDescription& description, void* buffer, size_t
bool IPv4Socket::did_receive(const IPv4Address& source_address, u16 source_port, KBuffer&& packet)
{
LOCKER(lock());
if (is_shut_down_for_reading())
return false;
auto packet_size = packet.size();
if (buffer_mode() == BufferMode::Bytes) {