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Re: [tor-bugs] #20283 [Applications/Tor Browser]: Tor Browser should run without a `/proc` filesystem.
#20283: Tor Browser should run without a `/proc` filesystem.
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Reporter: yawning | Owner: pospeselr
Type: defect | Status: assigned
Priority: Medium | Milestone:
Component: Applications/Tor Browser | Version:
Severity: Normal | Resolution:
Keywords: tbb-sandboxing | Actual Points:
Parent ID: #20773 | Points:
Reviewer: | Sponsor:
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Comment (by yawning):
Replying to [comment:16 cypherpunks]:
> I suspect that glibc relies on /proc only for the initial thread.
Yes.
> it is possible that
>
> {{{
> ucontext_t uc;
> void *base;
> size_t size;
>
> if (getcontext(&uc) == -1)
> err(1, "getcontext");
> base = uc.uc_stack.ss_sp;
> size = uc.uc_stack.ss_size;
> }}}
>
> will recover the stack base address and size that you want.
99% sure this does not work without /proc mounted.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20283#comment:17>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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