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Andrii Nakryiko 94c2f50b61 selftests/bpf: Fix race in tcp_rtt test 
Previous attempt to make tcp_rtt more robust introduced a new race, in which
server_done might be set to true before server can actually accept any
connection. Fix this by unconditionally waiting for accept(). Given socket is
non-blocking, if there are any problems with client side, it should eventually
close listening FD and let server thread exit with failure.

Fixes: 4cd729fa02 ("selftests/bpf: Make tcp_rtt test more robust to failures")
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/20200314013932.4035712-1-andriin@fb.com
2020-03-17 19:30:26 +01:00
..
accounting
arch tools headers UAPI: Update tools's copy of kvm.h headers 2020-02-27 09:51:30 -03:00
bootconfig bootconfig: Add append value operator support 2020-02-21 09:59:39 -05:00
bpf tools/bpf: Move linux/types.h for selftests and bpftool 2020-03-13 20:56:34 +01:00
build bpftool: Only build bpftool-prog-profile if supported by clang 2020-03-13 00:08:33 +01:00
cgroup iocost: Fix iocost_monitor.py due to helper type mismatch 2020-01-17 11:54:35 -08:00
debugging
firewire
firmware
gpio
hv Tools: hv: Reopen the devices if read() or write() returns errors 2020-01-26 22:10:10 -05:00
iio
include tools/bpf: Move linux/types.h for selftests and bpftool 2020-03-13 20:56:34 +01:00
io_uring
kvm/kvm_stat tools/kvm_stat: Fix kvm_exit filter name 2020-01-23 09:51:06 +01:00
laptop
leds
lib libbpf: Provide CO-RE variants of PT_REGS macros 2020-03-13 23:30:53 +01:00
memory-model
nfsd
objtool objtool: Fix ARCH=x86_64 build error 2020-01-22 07:54:57 +01:00
pci
pcmcia
perf perf annotate: Fix segfault with source toggle 2020-02-27 11:47:23 -03:00
power More power manadement updates for 5.6-rc1 2020-01-31 14:36:35 -08:00
scripts bpftool: Introduce "prog profile" command 2020-03-10 00:04:07 +01:00
spi
testing selftests/bpf: Fix race in tcp_rtt test 2020-03-17 19:30:26 +01:00
thermal/tmon
time
usb
virtio
vm tools/vm/slabinfo: fix sanity checks enabling 2020-01-31 10:30:38 -08:00
wmi
Makefile