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kernel: proc: fix checks in descriptor_udp_lookup() #615

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Mar 3, 2022
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kernel: proc: fix checks in descriptor_udp_lookup() #615

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4 changes: 3 additions & 1 deletion src/kernel/proc/descriptor.c
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Original file line number Diff line number Diff line change
Expand Up @@ -74,7 +74,9 @@ int create_socket_descriptor(inode_t inode,
int descriptor_udp_lookup(uint16_t port)
{
for (uint8_t fd = 3; fd < NB_SYSTEM_DESCRIPTORS; fd++) {
if (descriptors[fd].used && descriptors[fd].port == port) {
if (descriptors[fd].used && descriptors[fd].type == SOCK_DGRAM &&
descriptors[fd].protocol == IPPROTO_UDP &&
descriptors[fd].port == port) {
return fd;
}
}
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