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authorgVisor bot <gvisor-bot@google.com>2020-10-06 14:02:07 -0700
committergVisor bot <gvisor-bot@google.com>2020-10-06 14:02:07 -0700
commitb761330ca7bd5e956e3b90b4202ff0c3ea892750 (patch)
treed358154c552798ddceaa6f04b84abe26e58d05d5 /runsc/sandbox
parent1336af78d5dc2a6bc54d22ed45f4dd4793c2f964 (diff)
parent6f5114446a7952d8b2b3098b2845e660d38d4fe1 (diff)
Merge pull request #4355 from majek:marek/swallow-SO_RCVBUFFORCE-error
PiperOrigin-RevId: 335714100
Diffstat (limited to 'runsc/sandbox')
-rw-r--r--runsc/sandbox/network.go13
1 files changed, 11 insertions, 2 deletions
diff --git a/runsc/sandbox/network.go b/runsc/sandbox/network.go
index 0b9f39466..8f66dd1f8 100644
--- a/runsc/sandbox/network.go
+++ b/runsc/sandbox/network.go
@@ -309,11 +309,20 @@ func createSocket(iface net.Interface, ifaceLink netlink.Link, enableGSO bool) (
const bufSize = 4 << 20 // 4MB.
if err := syscall.SetsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_RCVBUFFORCE, bufSize); err != nil {
- return nil, fmt.Errorf("failed to increase socket rcv buffer to %d: %v", bufSize, err)
+ syscall.SetsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_RCVBUF, bufSize)
+ sz, _ := syscall.GetsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_RCVBUF)
+
+ if sz < bufSize {
+ log.Warningf("Failed to increase rcv buffer to %d on SOCK_RAW on %s. Current buffer %d: %v", bufSize, iface.Name, sz, err)
+ }
}
if err := syscall.SetsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_SNDBUFFORCE, bufSize); err != nil {
- return nil, fmt.Errorf("failed to increase socket snd buffer to %d: %v", bufSize, err)
+ syscall.SetsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_SNDBUF, bufSize)
+ sz, _ := syscall.GetsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_SNDBUF)
+ if sz < bufSize {
+ log.Warningf("Failed to increase snd buffer to %d on SOCK_RAW on %s. Curent buffer %d: %v", bufSize, iface.Name, sz, err)
+ }
}
return &socketEntry{deviceFile, gsoMaxSize}, nil