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* hasse/dialyzer/fix_abs/OTP-14858/ERL-551:
dialyzer: Correct handling of erlang:abs/1
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into maint
* siri/cdv/crash-when-truncated-in-mod-attr/ERL-537/OTP-14846:
[cdv] Don't crash when dump is truncated in module attributes
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* ingela/dtls/test-cuddle:
dtls: Filter out rc4 for DTLS psk suites
dtls: We do not need to wait for DTLS over UDP server
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We can safely tell when a test_arity or is_record instruction is
superflous by keeping track of whether the size is exactly known
or not.
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See also https://bugs.erlang.org/browse/ERL-551.
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This suite tests compatibility with different combinations of OpenSSH and OpenSSL. The peer SSH is running in a docker container.
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beam_validator did not verify that the Y registers were initialized
before executing the following instructions that could cause a GC:
bs_append/8
bs_init2/6
bs_init_bits/6
gc_bif1/5
gc_bif2/6
gc_bif3/7
test_heap/2
That means that, for example, an incorrect optimization that replaced
an 'allocate_zero' instruction with an 'allocate' instruction when it
was not safe, would not be rejected by beam_validtor, but would
instead cause a crash or other undefined behavior at runtime.
Also fix a minor bug in beam_type exposed by the stronger checking.
When compiling from .S files, beam_type did not handle the
init/1 instruction and could produce unsafe code.
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Reduce register shuffling in receive clauses
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Stream ciphers are not valid fro DTLS
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Client will retransmit until server becomes responsive
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The Design Principles states that an application can have Erlang
source files one level below the "src" directory, and now
filelib:find_source() by default searches one level below "src".
The same applies to "esrc". That directory is only mentioned in
filename(3).
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The type optimizations for is_record and test_arity checked whether
the arity was equal to the size stored in the type information,
which is incorrect since said size is the *minimum* size of the
tuple (as determined by previous instructions) and not its exact
size.
A future patch to the 'master' branch will restore these
optimizations in a safe manner.
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Conflicts:
lib/ssl/src/tls_connection.erl
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* ingela/ssl/error-handling-race/ERL-539/OTP-14852:
ssl: Prevent error handling race condition
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ERL-539
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Fix GC bug for HiPE primop bs_put_utf8
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by preventing it from doing GC, which generated code relies on.
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This bug was introduced by commit 3b964e8dbaa0cd73ca7a983b3ce948e0dbd2c35c
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Previously we accepted trailing NULs, which was backwards compatible
as such usage never resulted in misbehavior in the first place. The
downside is that it prevented erts_native_filename_need from
returning an accurate number of *actual characters*, needlessly
complicating encoding-agnostic code like erts_osenv.
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putenv(3) and friends aren't thread-safe regardless of how you slice
it; a global lock around all environment operations (like before)
keeps things safe as far as our own operations go, but we have
absolutely no control over what libc or a library dragged in by a
driver/NIF does -- they're free to call getenv(3) or putenv(3)
without honoring our lock.
This commit solves this by setting up an "emulated" environment which
can't be touched without going through our interfaces. Third-party
libraries can still shoot themselves in the foot but benign uses of
os:putenv/2 will no longer risk crashing the emulator.
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* maint:
ssh: ssh_dbg updates
ssh: Better reports in some test case failures
ssh: Tests - timeout catches external ssh that does not disconnect
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* hans/ssh/cuddle_ssh_test:
ssh: Better reports in some test case failures
ssh: Tests - timeout catches external ssh that does not disconnect
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* hans/ssh/cuddle_ssh_dbg:
ssh: ssh_dbg updates
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* maint:
tools: Correct a counting bug in Cover
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* hasse/cover/fix_counting/OTP-14817/PR-1641:
tools: Correct a counting bug in Cover
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into maint
* origin/ingela/inets/remove-legacy-test-suite:
inets: Remove old legacy SUITE
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See also PR #1641, https://github.com/erlang/otp/pull/1641.
The bug was introduced in commit ab435488a (Erlang/OTP 18).
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* hasse/stdlib/gen_server_bench:
stdlib: Optimize gen a little
stdlib: Introduce gen_server benchmark
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jinterface: add package name for Java 9
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false should be never, false not found in the source code
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* raimo/ssl-dist-bench/OTP-14657:
Skip ssl_bench_SUITE, normally
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as memory stats do not guarantee consistency.
A typical ETS test case ends by a lot of deallocating
that may now trigger homecoming carrier migration,
that in turn can cause quite large inconsistencies
in memory stats when same carrier is accounted for twice
or not at all.
And that's my theory why I now sometimes see transient discrepancies
between before and after memory stats.
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