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NETLINK_KOBJECT_UEVENT sockets send udev-style messages for device events.
gVisor doesn't have any device events, so our sockets don't need to do anything
once created.
systemd's device manager needs to be able to create one of these sockets. It
also wants to install a BPF filter on the socket. Since we'll never send any
messages, the filter would never be invoked, thus we just fake it out.
Fixes #1117
Updates #1119
PiperOrigin-RevId: 278405893
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Now if a process sends an unsupported netlink requests,
an error is returned from the send system call.
The linux kernel works differently in this case. It returns errors in the
nlmsgerr netlink message.
Reported-by: syzbot+571d99510c6f935202da@syzkaller.appspotmail.com
PiperOrigin-RevId: 262690453
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Based on the guidelines at
https://opensource.google.com/docs/releasing/authors/.
1. $ rg -l "Google LLC" | xargs sed -i 's/Google LLC.*/The gVisor Authors./'
2. Manual fixup of "Google Inc" references.
3. Add AUTHORS file. Authors may request to be added to this file.
4. Point netstack AUTHORS to gVisor AUTHORS. Drop CONTRIBUTORS.
Fixes #209
PiperOrigin-RevId: 245823212
Change-Id: I64530b24ad021a7d683137459cafc510f5ee1de9
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Compilation of this test fails in kokoro:
In file included from /usr/include/linux/netdevice.h:28:0,
from /usr/include/linux/if_arp.h:26,
from ./test/syscalls/linux/socket_netlink_util.h:18,
from test/syscalls/linux/socket_netdevice.cc:24:
/usr/include/linux/if.h:143:8: error: redefinition of 'struct ifmap'
struct ifmap {
^~~~~
In file included from test/syscalls/linux/socket_netdevice.cc:18:0:
/usr/include/net/if.h:111:8: note: previous definition of 'struct ifmap'
struct ifmap
^~~~~
In file included from /usr/include/linux/netdevice.h:28:0,
from /usr/include/linux/if_arp.h:26,
from ./test/syscalls/linux/socket_netlink_util.h:18,
from test/syscalls/linux/socket_netdevice.cc:24:
/usr/include/linux/if.h:177:8: error: redefinition of 'struct ifreq'
struct ifreq {
^~~~~
In file included from test/syscalls/linux/socket_netdevice.cc:18:0:
/usr/include/net/if.h:126:8: note: previous definition of 'struct ifreq'
struct ifreq
^~~~~
In file included from /usr/include/linux/netdevice.h:28:0,
from /usr/include/linux/if_arp.h:26,
from ./test/syscalls/linux/socket_netlink_util.h:18,
from test/syscalls/linux/socket_netdevice.cc:24:
/usr/include/linux/if.h:226:8: error: redefinition of 'struct ifconf'
struct ifconf {
^~~~~~
In file included from test/syscalls/linux/socket_netdevice.cc:18:0:
/usr/include/net/if.h:176:8: note: previous definition of 'struct ifconf'
struct ifconf
PiperOrigin-RevId: 230381931
Change-Id: I3c422c53e50cf2b90022778599d3a8a4a61fd1a3
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PiperOrigin-RevId: 224886231
Change-Id: I0fccb4d994601739d8b16b1d4e6b31f40297fb22
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