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maint-21
* john/crypto/fix-segfault-on-badarg/OTP-15194/ERL-673:
crypto: Fix crash in compute_key(ecdh, ...) on badarg
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'john/compiler/fix-deterministic-include-paths/OTP-15204/ERL-679' into maint-21
* john/compiler/fix-deterministic-include-paths/OTP-15204/ERL-679:
Omit include path debug info for +deterministic builds
# Conflicts:
# lib/compiler/test/compile_SUITE.erl
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* rickard/full-cache-nif-env/OTP-15223/ERL-695:
Fix caching of NIF environment when executing dirty
# Conflicts:
# erts/emulator/beam/erl_nif.c
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* dotsimon/ref_ordering_bug/OTP-15225:
Fixed #Ref ordering bug
Test #Ref ordering in lists and ets
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When term2point was passed a non-binary argument, `my_ecpoint`
would be left uninitialized and the cleanup code would free a
garbage pointer.
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Compiling the same file with different include paths resulted in
different files with the `+deterministic` flag even if everything
but the paths were identical. This was caused by the absolute path
of each include directory being unconditionally included in a
debug information chunk.
This commit fixes this by only including this information in
non-deterministic builds.
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* john/erts/kqueue-stdin-polling/OTP-15169/ERL-647:
Use fallback pollset for stdin and friends when using kqueue
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* john/erts/fix-literal-map-elements/OTP-15184:
Fix a rare crash when matching on literal maps
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maint-21
* john/erts/fix-read_file_info-crash/OTP-15196/ERL-674:
Fix node crash on passing bad arguments to file:read_file_info/2
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When matching on a literal map, the map is placed into the general
scratch register first. This is fine in isolation, but when the
key to be matched was in a Y register it would also be placed in
the scratch register, overwriting the map and crashing the
emulator.
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* john/erts/fix-dirty-reschedule-bug/OTP-15154:
Move to a dirty scheduler even when we have pending system tasks
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* john/erts/fix-21.0.2-release-notes:
Fix release notes for OTP-21.0.2
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* rickard/trace-info-bug/OTP-15183:
Fix trace_info/2
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* rickard/corba-build/OTP-15176:
Provide build support for standalone corba repo
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The release notes generated in the README and notes.xml were out of
sync, and notes.xml erroneously listed a fixed bug as open.
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This is a hack to make the "noshell" option work; kqueue can poll
these fds but will not report EV_EOF. This may be common to all
all pipes but we have no way to tell whether an fd is a pipe or
not.
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* hasse/stdlib/fix_io_lib_pretty/OTP-15159:
stdlib: Fix a 'chars_limit' bug
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maint-21
* bjorn/compiler/fix-beam_jump-crash/ERL-660/OTP-15166:
Eliminate a crash in the beam_jump pass
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* john/erts/inet-drv-race/OTP-15158/ERL-654:
Fix a race condition when generating async operation ids
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* bjorn/compiler/fix-map_get/OTP-15157:
Fix internal compiler error for map_get/2
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maint-21
* bjorn/compiler/fix-skipped-matching/ERL-655/OTP-15156:
beam_type: Fix unsafe optimization
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* hans/public_key/remove_unsup_keylens/OTP-15151:
public_key: Remove moduli 5121 and 7167 Thoose were added by 598629aeba9de98e8cdf5637043eb34e5d407751 but are not universaly supported.
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* john/erts/merge-OTP-15067:
Don't enqueue system tasks if target process is in fail_state
Fix erroneous schedule of freed/exiting processes
Fix deadlock in run queue evacuation
Fix memory leak of processes that died in the run queue
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https://bugs.erlang.org/browse/ERL-660
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The counter used for generating async operation ids was a plain int
shared between all ports, which was incorrect but mostly worked
fine since the ids only had to be unique on a per-port basis.
However, some compilers (notably GCC 8.1.1) generated code that
assumed that this value didn't change between reads. Using a
shortened version of enq_async_w_tmo as an example:
int id = async_ref++;
op->id = id; //A
return id; //B
In GCC 7 and earlier, `async_ref` would be read once and assigned
to `id` before being incremented, which kept the values at A and B
consistent. In GCC 8, `async_ref` was read when assigned at A and
read again at B, and then incremented, which made them inconsistent
if we raced with another port.
This commit fixes the issue by removing `async_ref` altogether and
replacing it with a per-port counter which makes it impossible to
race with someone else.
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Code such as that the following:
Val = map_get(a, Map),
Map#{a:=z} %Could be any map update
would incorrectly cause an internal consistency check failure:
Internal consistency check failed - please report this bug.
Instruction: {put_map_exact,{f,0},{x,0},{x,0},1,{list,[{atom,a},{atom,z}]}}
Error: {bad_type,{needed,map},{actual,term}}:
Update beam_validator so that it understands that the second
argument for map_get/2 is a map.
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beam_type assumed that the operand for the bs_context_to_binary
instruction must be a binary. That is not correct;
bs_context_to_binary accepts anything. Based on the incorrect
assumption, beam_type would remove other test instructions.
The bug was introduced in eee8655788d2, which was supposed
to be just a refactoring commit.
https://bugs.erlang.org/browse/ERL-655
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When a system task was enqueued on a process between being
scheduled and the check altered in this commit, we'd run dirty
code on a normal scheduler as the RUNNING_SYS flag wasn't set
and we wouldn't migrate back.
This change migrates us to a dirty scheduler instead, which will
immediately bounce us back to a normal scheduler where
RUNNING_SYS will be set appropriately.
This is caught fairly reliably by
process_SUITE:system_task_failed_enqueue on machines with a lot of
cores.
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Thoose were added by 598629aeba9de98e8cdf5637043eb34e5d407751 but are not universaly supported.
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