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Signed-off-by: David Goulet <dgoulet@torproject.org>
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Signed-off-by: David Goulet <dgoulet@torproject.org>
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See: tpo/core/tor#40815.
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also do some cleanup, no point to set TOR_VER_AT_LEAST_043 and
TOR_VER_AT_LEAST_044 variables which are always yes
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Bug found and fixed by @hyunsoo.kim676.
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This patch causes `tor_compress_is_compression_bomb()` to emit a
warning-level log message that lets us learn the potential ratio of the
input to output buffer sizes. Hopefully, this will give us a bit of a
better idea whether the compression bomb ratio needs some tuning.
See: tpo/core/tor#40739.
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This patch removes a call to `tor_assert_nonfatal_unreached()` in
`relay_key_is_unavailable_()` that is only called when Tor is compiled
without relay support.
Unfortunately, the non-fatal assertion causes a BUG log
message to appear for clients when they start up without relay support
for each CPU worker we spawn. This makes it spotting issues during
bootstrap harder particularly for our iOS developers.
Since the call sites to `get_master_identity_key()` handles `NULL`
values already, we do not think this will be an issue later on.
Reported by Benjamin Erhart (@tla) from Guardian Project.
Fixes tpo/core/tor#40848.
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When we implemented prop275 in 0.4.8.1-alpha, we changed the
behavior of networkstatus_getinfo_helper_single to omit meaningful
published_on times, replacing them with "2038-01-01". This is
necessary when we're formatting a routerstatus with no additional
info, since routerstatus objects no longer include a published_on.
But in networkstatus_getinfo_by_purpose, we do have a routerinfo
that does have a published_on. This patch uses that information
to report published_on times in our output when we're making a
"virtual" networkstatus for a big file of routerinfo_t objects.
This is mostly important for bridge authorities, since when
they dump a secret list of the bridges, they want to include
published_on times.
Closes #40855. Bugfix on 0.4.8.1-alpha.
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Signed-off-by: David Goulet <dgoulet@torproject.org>
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Equi-X supports optionally allocating its solver memory using huge
pages, to reduce the virtual memory subsystem overhead required to make
the entire solver buffer live.
Tor doesn't use this feature, since it seems to have no noticeable
performance benefit at this time, but we still included code for it at
compile time. To improve portability, this patch disables huge page
support by default and enables it only in the cmake build system used
for equix benchmarks.
With this patch equix-bench still supports huge pages. Verified using
strace that we're making the hugepage allocation.
There's no fallback for huge pages, so Equi-X initialization will fail
if they are requested and we don't support them for any runtime or
compile-time reason.
Addresses #40843 (NetBSD) but also prevents future porting issues
related to huge pages.
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NetBSD includes the idea of a 'maximum protection' per-region,
and an mprotect which exceeds the max protection will be denied.
If we explicitly ask for a maximum which includes execute permission, we
can successfully swap our code buffer's permissions between read-write
and read-execute when each hash program is compiled.
With this patch, the crypto/hashx tests pass on NetBSD 9.
This addresses bug #40844
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This path in hashx_vm_alloc_huge() for OpenBSD and NetBSD always
fails without checking its parameter. Fix the warning.
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As suggested by @wiz on #40843, let's add an explicit check to
hashx_vm_alloc_huge() that avoids using a Linux-style default
on NetBSD targets.
This doesn't change the questionable Linux-style default,
but a future patch will disable this code by default so it's not a
portability liability.
(This code is in hashx's VM layer but it's actually only relevant to
equix.)
This addresses bug #40843. Another patch will disable huge pages
by default entirely, but this patch is sufficient to fix the NetBSD
build.
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Just in case there are other instances hiding in the maze.
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