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authorMichael Pratt <mpratt@google.com>2019-10-18 15:31:33 -0700
committergVisor bot <gvisor-bot@google.com>2019-10-18 15:33:03 -0700
commit49b596b98d9317cb1b63d8004b812e3329812528 (patch)
tree38dafb5af1c8705c4335a9658bfde84739e9551f /pkg/sentry/usage/io.go
parent8ae70f864d7ab9ca6aa2b47d144d1a2671857603 (diff)
Cleanup host UDS support
This change fixes several issues with the fsgofer host UDS support. Notably, it adds support for SOCK_SEQPACKET and SOCK_DGRAM sockets [1]. It also fixes unsafe use of unet.Socket, which could cause a panic if Socket.FD is called when err != nil, and calls to Socket.FD with nothing to prevent the garbage collector from destroying and closing the socket. A set of tests is added to exercise host UDS access. This required extracting most of the syscall test runner into a library that can be used by custom tests. Updates #235 Updates #1003 [1] N.B. SOCK_DGRAM sockets are likely not particularly useful, as a server can only reply to a client that binds first. We don't allow bind, so these are unlikely to be used. PiperOrigin-RevId: 275558502
Diffstat (limited to 'pkg/sentry/usage/io.go')
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