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2017-10-11Don't allow null chars in various stringsRickard Green
Various places that now reject null chars inside strings - Primitive file operations reject it in filenames. - Primitive environment variable operations reject it in names and values. - os:cmd() reject it in its input. Also '=' characters are rejected by primitive environment variable operations in environment variable names. Documentation has been updated to document null characters in these types of data as invalid. Currently these operations accept null chars at the end of strings, but that will change in the future.
2017-09-22Correctly append sub-binaries in iolist_to_iovecJohn Högberg
The byte_offset of sub-binaries wasn't taken into account for ProcBins, subtly ruining the results. The test suite didn't catch it since it didn't check for sub-binaries in particular, and only checked for equality between variations -- not whether the output was equal to the input.
2017-09-13Merge branch 'sverker/19/on_load-on_load-bug/OTP-14612' into ↵Sverker Eriksson
sverker/on_load-on_load-bug/OTP-14612
2017-09-13erts: Fix 'on_load' tracing bug for modules with -on_loadSverker Eriksson
Symptom: VM crash when erlang:trace_pattern(on_load, ..) is set and module with -on_load is loaded. Problem: Tracing and -on_load clash in their use of Export.beam[1] Solution: Do not do call set_default_trace_pattern in finish_loading_1 for modules with -on_load. finish_after_on_load_2 will do that anyway.
2017-09-12Merge branch 'sverker/ets-fix-assert-fix' into maintSverker Eriksson
* sverker/ets-fix-assert-fix: erts: Fix faulty ASSERT of table fixation counter
2017-09-12Merge branch 'sverker/valgrind-fixes/OTP-14609' into maintSverker Eriksson
* sverker/valgrind-fixes/OTP-14609: erts: Suppress false memory leak for dlerror [ct] Cleanup and rename purify related functions as valgrind Revert "remove unused purify functions" erts: Fix memory leak when sending to terminating port erts: Fix harmless use of uninitialised value
2017-09-11Merge branch 'lukas/erts/fix_warnings' into maintLukas Larsson
* lukas/erts/fix_warnings: Fix some clang warnings Fix unused-functions warnings
2017-09-11Fix some clang warningsLukas Larsson
2017-09-11Fix unused-functions warningsLukas Larsson
2017-09-07Replace ad-hoc MIN/MAX macros with common onesJohn Högberg
Besides being noisy, they were already defined by a global Unix- specific header, causing the Windows build to fail if one forgot to define them.
2017-09-06Merge branch 'lukas/erts/nif_vector_q/OTP-14598' into maintJohn Högberg
OTP-14520
2017-09-05erts: Add erlang:iolist_to_iovecLukas Larsson
OTP-14520
2017-09-05Merge branch 'rickard/statistics-time-fixes/OTP-14597/ERL-465' into maintRickard Green
* rickard/statistics-time-fixes/OTP-14597/ERL-465: Bug fixes of statistics(wall_clock) and statistics(runtime) Conflicts: erts/emulator/beam/erl_time_sup.c
2017-09-05erts: Add nif ioqLukas Larsson
2017-09-05erts: Fix faulty ASSERT of table fixation counterSverker Eriksson
Cannot read fix->counter safely without table lock.
2017-09-04Bug fixes of statistics(wall_clock) and statistics(runtime)Rickard Green
2017-09-01Merge branch 'sverker/20/binary_to_atom-utf8-crash/ERL-474/OTP-14590' into maintSverker Eriksson
* sverker/20/binary_to_atom-utf8-crash/ERL-474/OTP-14590: erts: Fix crash in binary_to_atom/term for invalid utf8
2017-08-30Merge tag 'OTP-20.0' into sverker/20/binary_to_atom-utf8-crash/ERL-474/OTP-14590Sverker Eriksson
2017-08-30Merge tag 'OTP-19.0' into sverker/19/binary_to_atom-utf8-crash/ERL-474/OTP-14590Sverker Eriksson
2017-08-30erts: Fix crash in binary_to_atom/term for invalid utf8Sverker Eriksson
such as a sub-binary, of a correct utf8 string, that ends in the middle of a character.
2017-08-30erts: Fix memory leak when sending to terminating portSverker Eriksson
Error: Leak_DefinitelyLost erts_alloc:230 (-> 0x52E54D) [erl_alloc.h] port_task_alloc:154 (-> 0x52F3CA) [erl_port_task.c] erts_port_task_alloc_p2p_sig_data:212 (-> 0x52F5D3) [erl_port_task.c] erts_port_output:2147 (-> 0x4F6057) [io.c] erts_port_command:4126 (-> 0x4FA10E) [io.c] do_send:2200 (-> 0x4E4C64) [bif.c] erl_send:2494 (-> 0x4E5E09) [bif.c] process_main:1730 (-> 0x43ADA5) [beam_emu.c]
2017-08-28erts: Fix harmless use of uninitialised valueSverker Eriksson
Conditional jump or move depends on uninitialised value(s): erts_msgq_update_internal_pointers:487 (-> 0x5A7AF9) [erl_message.h] erts_msgq_replace_msg_ref:496 (-> 0x5A7B4C) [erl_message.h] move_msgq_to_heap:2487 (-> 0x5AED4F) [erl_gc.c] minor_collection:1380 (-> 0x5AB3F4) [erl_gc.c]
2017-08-25Merge branch 'rickard/btm-auto-cleanup-bug/OTP-14554' into maint-20Erlang/OTP
* rickard/btm-auto-cleanup-bug/OTP-14554: Fix BIF timer race between timeout and auto cleanup
2017-08-25Merge branch 'rickard/timer-sid-bug/OTP-14548' into maint-20Erlang/OTP
* rickard/timer-sid-bug/OTP-14548: Fix scheduler id field in timers # Conflicts: # erts/emulator/beam/erl_hl_timer.c
2017-08-24Merge branch 'rickard/btm-auto-cleanup-bug/OTP-14554' into maintRickard Green
* rickard/btm-auto-cleanup-bug/OTP-14554: Fix BIF timer race between timeout and auto cleanup
2017-08-24Merge branch 'rickard/timer-sid-bug/OTP-14548' into maintRickard Green
* rickard/timer-sid-bug/OTP-14548: Fix scheduler id field in timers Conflicts: erts/emulator/beam/erl_hl_timer.c
2017-08-24Merge branch 'maint-20' into maintRaimo Niskanen
* maint-20: Updated OTP version Prepare release Accept non-binary options as socket-options Bump version Fix broken handling of default values in extensions for PER compiler: Fix live regs update on allocate in validator Take fail labels into account when determining liveness in block ops Check for overflow when appending binaries, and error out with system_limit
2017-08-23Fix BIF timer race between timeout and auto cleanupRickard Green
2017-08-23Fix scheduler id field in timersRickard Green
2017-08-23Merge branch 'rickard/unicode-display_string/OTP-14545' into maintRickard Green
* rickard/unicode-display_string/OTP-14545: Unicode support for erlang:display_string/1
2017-08-23Unicode support for erlang:display_string/1Rickard Green
2017-08-23Merge branch 'sverker/halt-unicode-slogan/OTP-14553' into maintSverker Eriksson
* sverker/halt-unicode-slogan/OTP-14553: erts: Allow any unicode string as crash dump slogan erts: Generate crash_dump slogan string as UTF8 erts: Refactor erts_unicode_list_to_buf
2017-08-23erts: Allow any unicode string as crash dump sloganSverker Eriksson
i.e the first argument to erlang:halt
2017-08-23Merge branch 'john/erts/fix-binary-append-syslimit/OTP-14524' into maint-20Erlang/OTP
* john/erts/fix-binary-append-syslimit/OTP-14524: Check for overflow when appending binaries, and error out with system_limit # Conflicts: # erts/emulator/test/bs_construct_SUITE.erl
2017-08-16Merge branch 'lukas/erts/fix_dirty_trace_message_flush/OTP-14538' into maintLukas Larsson
* lukas/erts/fix_dirty_trace_message_flush/OTP-14538: erts: Must have main lock when flushing trace messages
2017-08-01Check for overflow when appending binaries, and error out with system_limitJohn Högberg
This fixes the following bug: A = <<0:((1 bsl 32)-8)>>, B = <<2, 3>>. B =:= <<A/binary,1,B/binary>>. %% Evaluated to true...
2017-07-26Merge branch 'sverker/big-bxor-bug/ERL-450/OTP-14514' into maint-20Erlang/OTP
* sverker/big-bxor-bug/ERL-450/OTP-14514: erts: Fix bug in bxor of a big negative number
2017-07-25Merge branch 'sverker/enif_whereis-bug/OTP-14523' into maintSverker Eriksson
* sverker/enif_whereis-bug: erts: Fix bug in enif_whereis_pid/port
2017-07-25Merge branch 'john/erts/use-lock-flags-in-lc' into maintJohn Högberg
2017-07-25Merge branch 'sverker/big-bxor-bug/ERL-450/OTP-14514' into maint-19Erlang/OTP
* sverker/big-bxor-bug/ERL-450/OTP-14514: erts: Fix bug in bxor of a big negative number
2017-07-25Merge branch 'sverker/prealloc-race-bug/OTP-14491' into maint-19Erlang/OTP
* sverker/prealloc-race-bug/OTP-14491: erts: Fix bug in quick alloc
2017-07-13Merge branch 'sverker/big-bxor-bug/ERL-450/OTP-14514' into maintSverker Eriksson
* sverker/big-bxor-bug/ERL-450/OTP-14514: erts: Fix bug in bxor of a big negative number
2017-07-12erts: Fix bug in bxor of a big negative numberSverker Eriksson
Wrong result for (X bsl WS) bxor Y. where X is any negative integer Y is any integer that does not require more words than X WS is erlang:system_info(wordsize) or larger Fix: The subtraction of 1 (for 2-complement conversion) must be carried along all the way to the last words.
2017-07-11erts: Fix bug in enif_whereis_pid/portSverker Eriksson
that could cause heap corruption if whereis lookup conflicts with other register updater AND other thread sends on-heap message while main lock is released. Also improved enif_whereis from dirty nifs by passing c_p as NULL.
2017-07-11Use erl_lock_flags in lock checkingJohn Högberg
2017-07-07Add a proper type for lock optionsJohn Högberg
2017-07-06erts: Generate crash_dump slogan string as UTF8Sverker Eriksson
the same as atoms.
2017-07-06Merge branch 'john/erts/runtime-lcnt' into maintJohn Högberg
* john/erts/runtime-lcnt: Document rt_mask and add warnings about copy_save Add an emulator test suite for lock counting Break erts_debug:lock_counters/1 into separate BIFs Allow toggling lock counting at runtime Move lock flags to a common header Enable register_SUITE for lcnt builds Enable lcnt smoke test on all builds that have lcnt enabled Make lock counter info independent of the locks being counted OTP-14412 OTP-13170 OTP-14413
2017-07-06Break erts_debug:lock_counters/1 into separate BIFsJohn Högberg
2017-07-06Allow toggling lock counting at runtimeJohn Högberg
The implementation is still hidden behind ERTS_ENABLE_LOCK_COUNT, and all categories are still enabled by default, but the actual counting can be toggled at will. OTP-13170
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