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* sverker/macos-select-fd-bug:
erts: Fix MacOS pollset bug
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* maint:
Updated OTP version
Prepare release
Add test case
Parse #mc_new_type{}s before definitions_loop/2
erts: Fix race between ets table deletion and auto-unfix
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into john/erts/merge-OTP-15067
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The fail state wasn't re-checked in the state change loop; only
the FREE state was checked. In addition to that, we would leave
the task in the queue when bailing out which could lead to a
double-free.
This commit backports active_sys_enqueue from master to make it
easier to merge onwards.
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When scheduled out, the process was never checked for the FREE state
before rescheduling, which meant that a system task could sneak in
and cause a double-free later on.
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that could cause clearing of fd-bits past allocated bit-vectors.
Bug introduced on master by
988f5f5e8061ce2e135a314ca782788eda478a06
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* sverker/ets-auto-unfix-delete-race/OTP-15109:
erts: Fix race between ets table deletion and auto-unfix
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to actually run remote on the slave node that it starts.
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* sverker/process-info-exiting:
erts: Fix incoming signal handling for exiting process
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Seen symptom:
handle_process_info() called with is_alive=1 on exiting process,
reading broken Process.u.initial.module atom
overwritten by Process.u.terminate pointer.
Solution:
Let erts_proc_sig_handle_incoming() do nothing if process is
already exiting.
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Fix use-after-free on Windows in escript
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* lukas/kernel/logger-config/OTP-13295:
erts: Fix emulator log messages to use erlang:system_time
kernel: Add LOGGER_SERVER_TAG to logger_server
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* sverker/ets-auto-unfix-delete-race/OTP-15109:
erts: Fix race between ets table deletion and auto-unfix
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Bug exists since ets-refs were introduced in 20.0
0d6dc895744c34c9c52fd42f4801a8a941864ae3.
Problem:
1. Process A fixates table T.
2. Process B starts deleting table T (either by ets:delete or exit)
and does tid_clear().
3. Process A exits and does proc_cleanup_fixed_table()
and get NULL from btid2tab() and deallocates DbFixation.
4. Process B continues deleting table in free_fixations_locked()
and finds the deallocated DbFixation in the fixing_procs tree.
Solution:
Wait with tid_clear() until after free_fixations_locked()
has traversed the fixing_procs tree.
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* sverker/broken-sig-queue:
erts: Cleanup in proc_queue_signal
erts: Fix broken signal queue
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* Remove 'last' arg to sig_enqueue_trace_cleanup
* Only notify 'rp' if enqueue succeeded
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broken on master by
613cde66c25464121f2f6dace99782bad0e07d9b
Scenario:
proc_queue_signal() fails to send switched pending signal
due to state & ERTS_PSFLG_FREE,
and then calls erts_proc_sig_send_monitor_down() to enqueue to self
followed by sig_enqueue_trace_cleanup() that destroyed 'next' pointer
of enqueued signal.
Solution:
Switch order and do sig_enqueue_trace_cleanup() first.
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* maint:
Updated OTP version
Prepare release
inets: Gracefully handle bad headers
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* sverker/system-profile-bug/OTP-15085:
erts: Fix bug in system_profile
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* sverker/enif_binary_to_term-bug/OTP-15080:
erts: Fix bug in enif_binary_to_term for immediates
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do not call abort_signal_task() with invalid data
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This was changed in the logger in 8aa64c90ddd20ec0ca8cc5fe92a6124324c51da5.
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Problem:
1. Process A fixates table T.
2. Process B starts deleting table T (either by ets:delete or exit)
and does tid_clear().
3. Process A exits and does proc_cleanup_fixed_table()
and get NULL from btid2tab() and deallocates DbFixation.
4. Process B continues deleting table in free_fixations_locked()
and finds the deallocated DbFixation in the fixing_procs tree.
Solution:
Wait with tid_clear() until after free_fixations_locked()
has traversed the fixing_procs tree.
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* sverker/pooled-age-order:
erts: Let allocator pooled_tree also use Age Order
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* sverker/erlang-memory-fix:
erts: Purge unused allocation types
erts: Fix erlang:memory for 'processes' and 'processes_used'
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* sverker/ets-count/OTP-14987:
erts,stdlib: Improve docs about obsolete ets_limit
erts: Reduce test log noise from ets_SUITE
erts: Increase scalability of ets name lookup
erts: Rename one of delete_trap to select_delete_trap
erts: Refactor usage of am_atom_put to ERTS_MAKE_AM
erts: Add system_info(ets_count)
erts: Fix narrow race between ets:new and ets:delete
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by expanding the default size of the hash table
and increase number of locks.
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and let compiler determine string lengths.
These were actually wrong in erl_db.c:
count_trap\0
replace_tra
select_tra
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* hasse/dialyzer/improve_contract_warnings/OTP-14982:
erts: Improve contracts of zlib
kernel: Improve contracts
erts: Improve a contract
stdlib: Improve a contract
compiler: Improve a contract
dialyzer: Refine the test for overspecified functions
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Fix typos in erlang.xml
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* lukas/erts/fix-scheduler-data-sched-out-bug/OTP-13123:
erts: Make sure scheduler_data is set
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This reverts commit fd8e49b5bddceaae803670121b603b5eee8c5c08.
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If scheduler_data is not set correctly on normal schedulers
the code in erts_schedule_time_break and possibly others
will trigger asserts.
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* siri/logger-fix:
Update documentation of logger and error_logger
Change type name logger:log() to logger:log_event()
Update preloaded
Update primary bootstrap
Rename module logger_simple to logger_simple_h
Change env var logger_log_progress to logger_progress_reports
Remove HandlerId from handler callback functions and add it to Config
Change handler id for sasl handler from sasl_h to sasl
Change Compare parameter to logger_filters:domain/2
Update Logger documentation
Rename reset_module_level to unset_module_level
Allow chars_limit to limit strings
Add logger:update_formatter_config/2,3
Set legacy_header=true for kernel's default handler only
Improve documentation of logger and error_logger
Use system_time instead of monotonic_time as timestamp in logger
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