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Nick Khyl c9836b454d net/netmon: fix goroutine leak in winMon if the monitor is never started ... When the portable Monitor creates a winMon via newOSMon, we register address and route change callbacks with Windows. Once a callback is hit, it starts a goroutine that attempts to send the event into messagec and returns. The newly started goroutine then blocks until it can send to the channel. However, if the monitor is never started and winMon.Receive is never called, the goroutines remain indefinitely blocked, leading to goroutine leaks and significant memory consumption in the tailscaled service process on Windows. Unlike the tailscaled subprocess, the service process creates but never starts a Monitor. This PR adds a check within the callbacks to confirm the monitor's active status, and exits immediately if the monitor hasn't started. Updates #9864 Signed-off-by: Nick Khyl <nickk@tailscale.com>		2 years ago
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art	net/art: allow non-pointers as values	2 years ago
connstats	net/connstats: exclude traffic with internal Tailscale service (#7904)	3 years ago
dns	net/dns: use an additional registry setting to disable dynamic DNS updates for our interface on Windows	2 years ago
dnscache	net/dnscache: remove completed TODO	2 years ago
dnsfallback	net/dnsfallback: add singleflight to recursive resolver	2 years ago
flowtrack	all: update copyright and license headers	3 years ago
interfaces	net/interfaces: better handle multiple interfaces in LikelyHomeRouterIP	2 years ago
memnet	net/memnet: export the network name (#9111)	2 years ago
netaddr	all: update copyright and license headers	3 years ago
netcheck	net/netcheck: use DERP frames as a signal for home region liveness	2 years ago
neterror	net/neterror, wgengine/magicsock: use UDP GSO and GRO on Linux (#7791)	3 years ago
netkernelconf	client/tailscale,ipn/{ipnlocal,localapi}: check UDP GRO config (#10071)	2 years ago
netknob	all: update copyright and license headers	3 years ago
netmon	net/netmon: fix goroutine leak in winMon if the monitor is never started	2 years ago
netns	net/{interfaces,netmon}: remove "interesting", EqualFiltered API	2 years ago
netstat	net/{netns,netstat}: use new x/sys/cpu.IsBigEndian	3 years ago
netutil	net/netutil: add function to check rp_filter value (#5703)	2 years ago
packet	all: cleanup unused code, part 1 (#10661)	2 years ago
ping	net/ping: fix ICMP echo code field to 0	2 years ago
portmapper	all: cleanup unused code, part 1 (#10661)	2 years ago
proxymux	all: cleanup unused code, part 1 (#10661)	2 years ago
routetable	all: cleanup unused code, part 1 (#10661)	2 years ago
socks5	net/socks5: add password auth support	3 years ago
sockstats	net/dns: retry forwarder requests over TCP	2 years ago
speedtest	all: update copyright and license headers	3 years ago
stun	wgengine/magicsock, types/nettype, etc: finish ReadFromUDPAddrPort netip migration	3 years ago
tcpinfo	net/tcpinfo: add package to allow fetching TCP information	2 years ago
tlsdial	cmd/tailscale/cli: make netcheck run even if machine lacks TLS certs	2 years ago
tsaddr	all: cleanup unused code, part 1 (#10661)	2 years ago
tsdial	all: cleanup unused code, part 1 (#10661)	2 years ago
tshttpproxy	net/tshttpproxy: don't proxy through ourselves	3 years ago
tstun	all: cleanup unused code, part 1 (#10661)	2 years ago
wsconn	net/wsconn: accept a remote addr string and plumb it through	2 years ago