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Re: [tor-bugs] #20976 [Applications/Tor Browser Sandbox]: Official `sandboxed-tor-browser` binaries break with PaX MPROTECT.
#20976: Official `sandboxed-tor-browser` binaries break with PaX MPROTECT.
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Reporter: yawning | Owner: yawning
Type: defect | Status: new
Priority: Medium | Milestone:
Component: Applications/Tor Browser Sandbox | Version:
Severity: Normal | Resolution:
Keywords: | Actual Points:
Parent ID: | Points:
Reviewer: | Sponsor:
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Comment (by cypherpunks):
Replying to [comment:3 yawning]:
> It's not firefox that's crashing, it's the launcher.
>
> {{{
> mprotect(0x52fb4b3000, 15585280, PROT_READ|PROT_WRITE) = -1 EACCES
(Permission denied)
> /home/yawning/.local/bin/sandboxed-tor-browser-0.0.2: error while
loading shared libraries: cannot make segment writable for relocation:
Permission denied
> exit_group(127) = ?
> }}}
What was `0x52fb4b3000` referring to in that trace? It had to have been a
library or executable or something which was originally mapped as
`PROT_READ|PROT_EXEC`, but what?
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20976#comment:6>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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