1// SPDX-License-Identifier: GPL-2.0 2// Test kernel behavior with NULL as buffer pointer 3 4`./defaults.sh` 5 6 0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3 7 +0 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0 8 +0 fcntl(3, F_SETFL, O_RDWR|O_NONBLOCK) = 0 9 +0 bind(3, ..., ...) = 0 10 +0 listen(3, 1) = 0 11 12 +0 < S 0:0(0) win 32792 <mss 1000,sackOK,nop,nop,nop,wscale 10> 13 +0 > S. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK,nop,wscale 8> 14 +.2 < . 1:1(0) ack 1 win 514 15 16 +0 accept(3, ..., ...) = 4 17 18 +0 write(4, NULL, 1000) = -1 EFAULT (Bad address) 19 +0 send(4, NULL, 1000, 0) = -1 EFAULT (Bad address) 20 +0 sendto(4, NULL, 1000, 0, ..., ...) = -1 EFAULT (Bad address) 21 22 +0 < . 1:1001(1000) ack 1 win 200 23 +0 read(4, NULL, 1000) = -1 EFAULT (Bad address) 24 +0 recv(4, NULL, 1000, 0) = -1 EFAULT (Bad address) 25 +0 recvfrom(4, NULL, 1000, 0, ..., ...) = -1 EFAULT (Bad address) 26