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Make sure a heap fragment is not deallocated before all off_heap
terms have been cleared.
The fix assumes/asserts that the off_heap-lists of all additional
heap fragments are empty.
I think this bug has been harmless as hashmap nodes, which is only
ones (?) that can cause a factory to produce more heap,
are not linked in off_heap-list.
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* sverk/rare-gc-map-overflow/OTP-13146:
erts: Fix rare case of faulty heap fragment deallocation
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* rickard/erts-print/OTP-13150:
Remove ERTS_PRINT_INVALID from erts_print()
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ERTS_PRINT_INVALID prevented file descriptor 0 to be used which
could cause an empty crash dump.
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after major GC.
Can only be caused by distributed messages containing large maps.
Bad map hashing will increase the risk.
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OTP-13147
* sverk/cpool_fetch-dc_list-fix:
erts: Reduce alloc_SUITE:rbtree runtime for valgrind
erts: Remove double free in efile_drv
erts: Improve alloc_SUITE:migration test
erts: Pass free mem and build type to alloc_SUITE tests
erts: Fix snprintf in alloc_SUITE for windows
erts: Workaround for strange crash on win64 in alloc_SUITE test code
erts: Refactor alloc_SUITE to use NIFs instead of drivers
erts: Add enif_getenv
erts: Make key argument constant for erl_drv_{get|put}env
erts: Add alloc_SUITE:migration
erts: Add TEST allocator
erts: Fix confusion of callbacks destroying_mbc() vs remove_mbc()
erts: Fix resurrection of carriers from dc_list
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* sverk/setnode-rename-bug/OTP-13076:
erts: Fix bug in setnode/2
erts: Remove ERTS_PSD_DIST_ENTRY
erts: Remove faulty ASSERT in erts_proc_*_refc
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That double free is probably very seldom invoked as the port is already
gone leading to free_data being called instead of file_async_ready.
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In the quest to improve code coverage in cpool_fetch
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For some reason setjmp() crash when having jmp_buf heap allocated
but works when stack allocated.
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to read OS environment variables in a safe and portable way.
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* egil/18/fix-maps-binary_to_term/OTP-13125:
erts: More testcases for map binary_to_term/1
erts: Fix maps decode in erlang:binary_to_term/1
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Decoding a term with a large (HAMT) map in an small (FLAT) map could cause
a critical error if the external format was not produced by beam.
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* sverk/nif_SUITE-win64-long-bug:
erts: Fix nif_SUITE for win64
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* zenhack/fix-erroneous-__uint32_t:
Fix erroneous use of __uint32_t
OTP-13105
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where type long is only 32-bit and can not hold a pointer
unless your lucky.
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This should be a harmless and compatible API change.
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that could lead strange things to happen when renaming a node with
a name that already exist in node and dist tables.
Problem:
erts_set_this_node() is a bit brutal and does not handle the case
when an old remote node name is reused as the new local node name.
Solution:
Treat erts_this_node and erts_this_dist_entry as all the others
with correct reference counting.
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* lukas/erts/win32_bool_fix/OTP-13079:
erts: bool is a reserved word, use boolean instead
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Not needed as it is always set to erts_this_dist_entry (on net_kernel).
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There is no guarantee that the ptab-slot in not reused
when we finally deallocates the process struct.
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* lukas/erts/process_mem_test_fix/OTP-13077:
erts: Don't run processes tests on lcnt with little memory
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* lrascao/fix/build_fail_on_enabled_dist_debug:
Fix build fail when enabling distribution debug messages
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A new {line_delimiter, byte()} option allows line-oriented TCP-based
protocols to use a custom line delimiting character. It is to be
used in conjunction with {packet, line}.
This option also works with erlang:decode_packet/3 when its first argument
is 'line'.
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The presence of this symbol is libc-specific. In particular, it is
absent from musl. The correct solution is to use uint32_t.
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* kostis/hipe-native-bif-warning:
Take out unused code that results in a gcc warning
OTP-13041
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Problem #1 Goodfit was crippled by the fact that destroying_mbc()
was called _before_ the carriers was unlinked from mbc_list.
Problem #2 destroying_mbc() was called for carriers that later could be
resurrected from dc_list without a matching call to creating_mbc().
This was mostly a practical problem for the new test case
alloc_SUITE:migration that use the callbacks to create/destroy a mutex.
Solution:
destroying_mbc() is now only called just before a carrier is
destroyed (deallocated or put in mseg cache).
remove_mbc() is called both (like before) when inserted into cpool
but now also when last block is freed and mbc is scheduled for
destruction but may later be resurrected from dc_list.
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Problem #1: Seems the dc_list check did end up as dead code by mistake.
Solution: goto check_dc_list
Problem #2: crr->cpool.max_size was set to zero for all carriers in
dc_list, which meant no carriers were ever resurrected by cpool_fetch.
Solution: Do not use callback 'largest_fblk_in_mbc' to set max_size
as it will always return 0 (due to problem #3).
Problem #3: Resurrected carriers were broken as their one free block
was not linked.
Solution: Link free block when fetching carrier from dc_list.
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Another process may already have been placed in this slot
since the free och the process struct can be scheduled for
later.
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* lukas/erts/ttsl_eintr/OTP-12987:
erts: Make sure to deal with EINTR write failures
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* goertzenator/enif_make_pid-unused_param:
fix unused parameter warning in enif_make_pid
OTP-12989
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* mikpe/erts-binary_to_integer-fix:
erts: fix binary_to_integer boundary case
OTP-12988
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* sverk/inet-packet-ssl_tls-passive:
erts: Fix inet packet mode ssl_tls for passive mode
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* rickard/disable-saved-compile-time/OTP-12971:
Add configure switch --disable-saved-compile-time
Conflicts:
HOWTO/INSTALL.md
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* rickard/event-tmo/OTP-12954:
Fix ethread events with timeout
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Caused stack corruption leading to VM crash on windows.
{packet,ssl_tls} is undocumented by the way.
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Conflicts:
erts/emulator/beam/erl_printf_term.c
erts/emulator/beam/erl_term.c
erts/emulator/beam/utils.c
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of a process with a matchstate on the stack.
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If the process stack contained a match state
the print function would crash the vm as it was not
recognized by tag_val_def().
Add new MATCHSTATE_DEF returned by tag_val_def().
All other callers either ignore it or has a default
clause to handle invalid terms.
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