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- Install of (mainly) documentation caused rebuild and
modification of the source tree even when the source
previously had been built. Also otp_patch_apply
modified the source tree when updating documentation.
This messed up the installation if installation was
performed by another user than the user that originally
built the system which not is an uncommon scenario.
- Some documentation was installed by copying files
instead of installing the files which caused faulty
access rights on files.
- The documentation was not properly updated when
applying a patch using otp_patch_apply.
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OTP-12704
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* sverk/large-list_to_integer-bug/OTP-12624:
erts: Fix bug in list_to_integer for very large strings
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* egil/maint/process_dictionary-initial-size/OTP-12535:
erts: Document option 'hpds'
erts: Enable command line argument for initial pd size
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list_to_integer(lists:duplicate(10000000,$0)).
crashed due to overflow when calculating nr heap words.
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* egil/fix-term-cmp/OTP-12623:
erts: Fix comparison of exact terms
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Use '+hpds size' to set initial process dictionary size for spawned processes.
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Comparison of exact terms could cause faulty term tests.
This was caused by a faulty (too small) internal type.
Symptom:
-1 = erts_internal:cmp_term(2147483648,0). %% wrong
Correct:
1 = erts_internal:cmp_term(2147483648,0).
Reported-by: Jesper Louis Andersen
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otp_SUITE: change filter för diameter
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* erland/revert_time/OTP-12444:
Revert "Use new time API and be back-compatible in ssh"
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* nox/fix-port_info-race:
Fix a race condition when calling port_info/1
OTP-12587
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* nlmills/cleanup:
Remove unused time macros from efile_drv
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* wmalik/minor-fixes:
Fix proc_lib doc
Remove commented out code
Fix make_hash description
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This variable hold the values returned by erlang:port_info/1 and
shouldn't be static.
Reported-by: Heinz Nikolaus Gies
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* rickard/port_control_flags_crash/OTP-12544:
Make access to control_flags safe in non-smp emulator
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* rickard/find_emu_cc/OTP-12388:
Fix missing quotation in LM_FIND_EMU_CC
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This reverts commit af972aaf14a5f53510e692f48f672f7e6805ee6d.
Conflicts:
lib/ssh/test/ssh_basic_SUITE.erl
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* nlmills/docfix:
Correct typo in erlang(3) documentation
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All uses of these macros were removed in
commit c3a615aa2da09bc3a0575e973959f800460a63de.
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* mikpe/hipe-mfait-rwlock:
hipe: change mfa_info_table lock to rwmutex
OTP-12557
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* mikpe/avoid-oversize-bignums:
don't leave a heap hole in erts_bs_get_integer_2
don't create oversize bignums in binary matching
OTP-12556
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* erland/ssh/time/OTP-12444:
Update misleading comment in ssh_basic_SUITE
Update new time API and be back-compatible in ssh
Use new time API and be back-compatible in ssh otp_SUITE: Ignore undefined functions in ssh
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* leoliu/master:
Two minor fixes
OTP-12545
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* egil/fix-break-printout/OTP-12537:
erts: Fix erroneous printout in crashdump
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* Fix documentation on $char for unicode
* Remove duplicate declaration for erts_encode_ext_dist_header_size
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The hipe_mfa_info_table lock is currently a mutex, causing
unnecessary contention and serialization of lookups for
apply-like constructs.
- change the lock from a mutex to an rwmutex
- split hipe_get_na_nofail_locked into a "try" path which
only needs a read lock, and a "slow" path which requires
a write lock
- reimplement hipe_get_na_nofail (used by apply ops etc) to
first call the "try" path with a read lock, and if that
fails the "slow" path with a write lock
- reimplement hipe_get_na_nofail_locked (used by maintenance
code) to call the "try" path and then optionally the "slow"
path, but without taking locks since its caller already has
the write lock
- adjust remaining lock ops to take/release full write lock
- use _rwlocked as suffix on functions requiring a write lock
- change hipe_mfa_get_trampoline to call get_locked not put_locked,
allowing it to take a read lock instead of a write lock
- change hipe_find_mfa_from_ra() to only take a read lock
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otp_SUITE: Ignore undefined functions in ssh
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An extra '}' were printed in remote links.
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Reset p->htop in the oversize bignum error case to avoid leaving a
hole in the heap, which would crash the debug emulator.
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Bignums are artifically restricted in size. Arithmetic and logical
operations check the sizes of resulting bignums, and turn oversize
results into system_limit exceptions.
However, this check is not performed when bignums are constructed by
binary matching. The consequence is that such matchings can construct
oversize bignums that satisfy is_integer/1 yet don't work. Performing
arithmetic such as Term - 0 fails with a system_limit exception. Worse,
performing a logical operation such as Term band Term results in [].
The latter occurs because the size checking (e.g. in erts_band()) is
a simple ASSERT(is_not_nil(...)) on the result of the bignum operation,
which internally is [] (NIL) in the case of oversize results. However,
ASSERT is a no-op in release builds, so the error goes unnoticed and []
is returned as the result of the band/2.
This patch addresses this by preventing oversize bignums from entering
the VM via binary matching:
- the internal bytes_to_big() procedure is augmented to return NIL for
oversize results, just like big_norm()
- callers of bytes_to_big() are augmented to check for NIL returns and
signal errors in those cases
- erts_bs_get_integer_2() can only fail with badmatch, so that is the
Erlang-level result of oversize bignums from binary matches
- big_SUITE.erl is extended with a test case that fails without this
fix (no error signalled) and passes with it (badmatch occurs)
Credit goes to Nico Kruber for the initial bug report.
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* egil/fix-getifaddrs-realloc/OTP-12445:
erts: Fix getifaddrs realloc ptr mismatch
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* egil/fix-child_setup-close/OTP-12446:
erts: Use closefrom() if available when closing fds
erts: Don't close all fds twice in child_setup
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When a buffer was exhausted and subsequently a realloc, we could get
an invalid pointer.
For this to occur we would need to have a realloc to lower adresses.
The symptom would be garbage returned from erlang:port_control(Port, 25, [])
(prim_inet:getifaddrs(Port) resulting in a badarg) or a segmentation fault.
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closefrom() was only used in the vfork() case before, now also
used in the fork() case.
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The commit c2b4eab25c907f453a394d382c04cd04e6c06b49 introduced an error
in which child_setup erroneously tried to close all file descriptors twice.
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Closes all open socket before writing crashdump to file.
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OTP-12405
* mikpe/hipe-arm-interworking:
hipe: fix ARM/Thumb interworking
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* dotsimon/sctp_paddrinfo_state:
Fix inet:getopts involving #sctp_paddrinfo{}
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