[tor-bugs] #16363 [Tor]: [patch] sandbox support for fallback pipe2/pipe syscall

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#16363: [patch] sandbox support for fallback pipe2/pipe syscall
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 Reporter:  cypherpunks  |          Owner:
     Type:  defect       |         Status:  new
 Priority:  normal       |      Milestone:  Tor: 0.2.6.x-final
Component:  Tor          |        Version:  Tor: 0.2.6.9
 Keywords:               |  Actual Points:
Parent ID:               |         Points:
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 When system without eventfd support or kernel was compiled with
 CONFIG_EVENTFD=n
 tor will fallback to pipe2 or pipe syscall.

 This result in
 "(Sandbox) Caught a bad syscall attempt (syscall pipe2)"

 patch tested with tor-2.6.9

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/16363>
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