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When compiling Erlang source code, the literal area for the
module can only contain data types that have a literal
syntax.
However, it is possible to sneak in other data types
(such as references) in the literal pool by compiling from
abstract or assembly code. Those "fake literals" would work
fine, but would crash the runtime system when the module containing
the literals was purged.
Although fake literals are not officially supported, the
runtime should not crash when attempting to use them.
Therefore, fix the garbage collection of literals and releasing
of literal areas.
https://bugs.erlang.org/browse/ERL-508
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* bjorn/base64-in-dumps/OTP-14686:
Use base64 encoding in crash dumps
Correct parsing of sub binaries
Generalize passing of options for decoding
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This will reduce the size of crash dumps, especially if
there are large binaries.
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* maint-20:
Updated OTP version
Prepare release
ssh: testcases for space trailing Hello msg
ssh: Don't remove trailing WS in Hello msg
ssh: dialyzer fixes
ssh: Fix broken error handling during session setup
Remove invalid EINTR loop around close(2)
Conflicts:
lib/ssh/test/ssh_options_SUITE.erl
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* lukas/system/improve_profile_docs/OTP-14633:
erts: Add term2bin note about encoding guarantee
Fix broken link in INSTALL howto
system: Add info to profiling effeciency guide
Update message queue and pinfo binary docs
kernel: Clarify gen_tcp:listen documentation
system: Add External OSS tools section to profiling guilde
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* lukas/docs/xmllint_fixes/OTP-14721:
ssl/ssh: Remove/ignore unused XML_FILES doc files
Refactor xmllint check and make it fail on failure
Add toplevel xmllint make target
Conflicts:
lib/crypto/doc/src/Makefile
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* rickard/node-mon-proc-exit-race/maint-20/OTP-14781:
Fix triggering of node monitors
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* john/erts/fix-close-eintr/OTP-14775:
Remove invalid EINTR loop around close(2)
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* maint-18:
Updated OTP version
Prepare release
ssh: Unicode encoding fix
ssh: testcases for space trailing Hello msg
Remove unused test include file from test suites
eldap: Repair Makefile
ssh: Don't remove trailing WS in Hello msg
Conflicts:
OTP_VERSION
erts/doc/src/notes.xml
erts/vsn.mk
lib/compiler/doc/src/notes.xml
lib/compiler/vsn.mk
lib/crypto/test/blowfish_SUITE.erl
lib/eldap/doc/src/notes.xml
lib/eldap/vsn.mk
lib/inets/test/httpd_load.erl
lib/inets/test/httpd_mod.erl
lib/inets/test/old_httpd_SUITE.erl
lib/ssh/doc/src/notes.xml
lib/ssh/vsn.mk
lib/stdlib/test/zip_SUITE.erl
otp_versions.table
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* rickard/node-mon-proc-exit-race/OTP-14781:
Fix triggering of node monitors
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* rickard/timer-sid-bug/OTP-14548:
Fix scheduler id field in timers
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maint-18
* sverker/r16/binary_to_atom-utf8-crash/ERL-474/OTP-14590:
erts: Fix crash in binary_to_atom/term for invalid utf8
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* sverker/big-bxor-bug/ERL-450/OTP-14514:
erts: Fix bug in bxor of a big negative number
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* sverker/prealloc-race-bug/OTP-14491:
erts: Fix bug in quick alloc
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when done by enif_free_env or enif_clear_env.
Do check before we free heap fragments.
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Retrying close(2) on anything other than HP-UX is likely to close
something entirely different. POSIX says that the state of the file
descriptor is unspecified, and Linux/BSD guarantee that it's closed
on return.
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* maint-20:
Updated OTP version
Update release notes
Update version numbers
inets: Prepare for release
inets: Add missing guard
Avoid WindowBits=8 as per the manual
Fix deflateParams on zlib 1.2.11
Ignore empty binaries in enif_inspect_iovec
Emasculate writable binaries on entering an iovec
Only apply EOS behaviors if there's pending data
Stop assuming that all schedulers are managed when updating msacc
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Symptom: random rpc net_adm:ping returned pang
Use monitor_node to wait for failed connection
before we try to connect again.
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for "+hmqd off_heap"
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* john/erts/fix-gunzip-eos/OTP-14730/ERL-507:
Only apply EOS behaviors if there's pending data
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* john/erts/msacc-dirty-schedulers/OTP-14707:
Stop assuming that all schedulers are managed when updating msacc
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* john/erts/misc-iovec-issues/OTP-14745/OTP-14750:
Ignore empty binaries in enif_inspect_iovec
Emasculate writable binaries on entering an iovec
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1.2.11 started bailing when avail_out==0 regardless of whether
there's anything to flush or not, and there's no point in adapting
the old method since it was vulnerable to bugs in other zlib
versions which updated the deflate parameters even on failure.
The api_deflateParams test has been expanded accordingly, and two
white-box cases in zip_usage has been updated to make fewer
assumptions about the output; the validity of the compressed data
is what matters, not whether it's exactly the same as the test
vector.
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* sverker/systask-reqid-bug:
erts: Fix bug in systask scheduling
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The lack of this caused serious data corruption when a binary was
altered after entering the queue. This went unnoticed because it
was never used without erlang:iolist_to_iovec, which always
emasculates binaries.
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when request id is an immediate.
Ex:
erlang:garbage_collect(P, [{async,Immediate}]).
may crash the VM.
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When the code switches from printf() to erts_printf() the output
becomes garbled. Fixed by fflush()ing stdout first.
Fixed formatting of the "H E A P" banner for 64-bit systems.
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Fix hipe bug in binary <<X/utf32>> construction
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by introducing new primop 'is_unicode'
with no exception (ab)use and no GC.
Replaces bs_validate_unicode which is kept for backward compat for now.
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Fix for x86_64 only.
The calling native code can not handle a GC
as it has a raw pointer where to write the binary data.
If a GC happens the data (utf32) will be written
to the old deallocated heap.
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This commit also adds a check to see that all files that
are part of an xi:include also have part of XML_FILES
and vice versa. It also fixes any applications where this
was not true.
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Native code does not register its literals in the code header for the
loaded code. Therefore, a literal created by native code can not be
found by mark_literal(). Ignore literals that can't be found instead
of crashing (the crasdump_viewer will report such literals as
incomplete heap data, but will not crash).
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This fixes statistics_SUITE:msacc when dirty schedulers are used
during the test.
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