[tor-bugs] #29819 [Core Tor/Tor]: Seccomp: sandbox crash on rt_sigaction with libseccomp 0.2.4

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#29819: Seccomp: sandbox crash on rt_sigaction with libseccomp 0.2.4
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 Reporter:  toralf                 |          Owner:  nickm
     Type:  defect                 |         Status:  assigned
 Priority:  Medium                 |      Milestone:  Tor: 0.4.0.x-final
Component:  Core Tor/Tor           |        Version:  Tor: unspecified
 Severity:  Normal                 |     Resolution:
 Keywords:  crash, linux, sandbox  |  Actual Points:
Parent ID:                         |         Points:  0.2
 Reviewer:                         |        Sponsor:
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Comment (by nickm):

 > I guess we'll need some way of making sure paths are stored at fixed
 memory locations by either computing all the paths during compilation or
 during startup and then revoke write permission somehow for that region of
 memory the contains them.

 We do that currently; see sandbox.c functions sandbox_intern_string() and
 prot_strings()

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/29819#comment:17>
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