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Re: [tor-bugs] #10281 [Applications/Tor Browser]: Investigate usage of alternate memory allocators and memory hardening options
#10281: Investigate usage of alternate memory allocators and memory hardening
options
-------------------------------------------------+-------------------------
Reporter: mikeperry | Owner:
| arthuredelstein
Type: enhancement | Status:
| assigned
Priority: Very High | Milestone:
Component: Applications/Tor Browser | Version:
Severity: Normal | Resolution:
Keywords: tbb-security, tbb-hardened, | Actual Points:
TorBrowserTeam201612R |
Parent ID: | Points:
Reviewer: | Sponsor:
| SponsorU
-------------------------------------------------+-------------------------
Changes (by arthuredelstein):
* keywords: tbb-security, tbb-hardened, TorBrowserTeam201612 => tbb-
security, tbb-hardened, TorBrowserTeam201612R
Comment:
Here is a patch (please review) that uses jemalloc4 in Tor Browser ESR45
(Linux). It also activates jemalloc redzones, and aborts if the redzones
are found to have been corrupted.
https://github.com/arthuredelstein/tor-browser/commit/10281+2
(I'm still working on two alternative patches that (1) uses the DieHarder
memory allocator and (2) uses jemalloc4 with randomized arenas, but I
think we may want to give the redzone patch a try for now.)
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/10281#comment:36>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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