Patch Package: OTP 24.3.4.12
Git Tag: OTP-24.3.4.12
Date: 2023-05-30
Trouble Report Id: OTP-18556, OTP-18560, OTP-18569, OTP-18570,
OTP-18593, OTP-18595, OTP-18597
Seq num: ERIERL-944, GH-7252
System: OTP
Release: 24
Application: compiler-8.1.1.4, erts-12.3.2.12,
stdlib-3.17.2.3, xmerl-1.3.28.1
Predecessor: OTP 24.3.4.11
Check out the git tag OTP-24.3.4.12, and build a full OTP system
including documentation. Apply one or more applications from this
build as patches to your installation using the 'otp_patch_apply'
tool. For information on install requirements, see descriptions for
each application version below.
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--- compiler-8.1.1.4 ------------------------------------------------
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The compiler-8.1.1.4 application can be applied independently of
other applications on a full OTP 24 installation.
--- Fixed Bugs and Malfunctions ---
OTP-18593 Application(s): compiler
Related Id(s): GH-7252
Complex guard expression using the or operator and
guard BIFs that can fail could sometimes be miscompiled
so that the guard would succeed even if a call to a
guard BIF failed.
Full runtime dependencies of compiler-8.1.1.4: crypto-3.6, erts-11.0,
kernel-7.0, stdlib-3.13
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--- erts-12.3.2.12 --------------------------------------------------
---------------------------------------------------------------------
Note! The erts-12.3.2.12 application *cannot* be applied
independently of other applications on an arbitrary OTP 24
installation.
On a full OTP 24 installation, also the following runtime
dependency has to be satisfied:
-- kernel-8.3 (first satisfied in OTP 24.3)
--- Fixed Bugs and Malfunctions ---
OTP-18560 Application(s): erts
In rare circumstances, bit syntax matching of an
invalid code point for a utf32 would crash the runtime
system.
OTP-18570 Application(s): erts
Related Id(s): PR-7190
If a runtime system which was starting the distribution
already had existing pids, ports, or references
referring to a node with the same nodename/creation
pair that the runtime system was about to use, these
already existing pids, ports, or references would not
work as expected in various situations after the node
had gone alive. This could only occur if the runtime
system was communicated such pids, ports, or references
prior to the distribution was started. That is, it was
extremely unlikely to happen unless the distribution
was started dynamically and was even then very unlikely
to happen. The runtime system now checks for already
existing pids, ports, and references with the same
nodename/creation pair that it is about to use. If such
are found another creation will be chosen in order to
avoid these issues.
OTP-18597 Application(s): erts
Constructing a binary segment not aligned with a byte
boundary, with a size not fitting in 31 bits, and with
a value not fitting in a 64-bit word could crash the
runtime system.
--- Improvements and New Features ---
OTP-18569 Application(s): erts
Further robustify implementation of large maps (> 32
keys). Keys that happen to have same internal 32-bit
hash values are now put in collision nodes which are
traversed with linear search. This removes the demand
for the internal hash function when salted to
eventually produce different hashes for all possible
pairs of unequal terms.
Full runtime dependencies of erts-12.3.2.12: kernel-8.3, sasl-3.3,
stdlib-3.13
---------------------------------------------------------------------
--- stdlib-3.17.2.3 -------------------------------------------------
---------------------------------------------------------------------
The stdlib-3.17.2.3 application can be applied independently of other
applications on a full OTP 24 installation.
--- Improvements and New Features ---
OTP-18556 Application(s): stdlib
Static supervisors are very idle processes after they
have started so they will now be hibernated after start
to improve resource management.
Full runtime dependencies of stdlib-3.17.2.3: compiler-5.0,
crypto-3.3, erts-12.0, kernel-7.0, sasl-3.0
---------------------------------------------------------------------
--- xmerl-1.3.28.1 --------------------------------------------------
---------------------------------------------------------------------
The xmerl-1.3.28.1 application can be applied independently of other
applications on a full OTP 24 installation.
--- Fixed Bugs and Malfunctions ---
OTP-18595 Application(s): xmerl
Related Id(s): ERIERL-944
New options to xmerl_scan and xmerl_sax_parser so one
can limit the behaviour of the parsers to avoid some
XML security issues.
xmerl_scan gets one new option:
-- {allow_entities, Boolean} -- Gives the possibility
to disallow entities by setting this option to false
(true is default)
xmerl_sax_parser gets the following options:
-- disallow_entities -- Don't allow entities in
document
-- {entity_recurse_limit, N} -- Set a limit on entity
recursion depth (default is 3)
-- {external_entities, AllowedType} -- Specify which
types of external entities that are allowed, this also
affect external DTD's. The types are all(default), file
and none
-- {fail_undeclared_ref, Boolean} -- Sets the behavior
for undeclared references due to an external file is
not parsed (true is default)
The old option skip_external_dtd is still valid and the
same as {external_entities, none} and
{fail_undeclared_ref, false} but just affects DTD's and
not other external references.
Full runtime dependencies of xmerl-1.3.28.1: erts-6.0, kernel-3.0,
stdlib-2.5
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