OTP 27.1.2

Patch Package:           OTP 27.1.2
Git Tag:                 OTP-27.1.2
Date:                    2024-10-17
Trouble Report Id:       OTP-19124, OTP-19235, OTP-19246, OTP-19247,
                         OTP-19249, OTP-19258, OTP-19265, OTP-19266,
                         OTP-19267, OTP-19268, OTP-19269, OTP-19274,
                         OTP-19286, OTP-19288
Seq num:                 ERIERL-1127, ERIERL-1133, ERIERL-1134,
                         ERIERL-1137, ERIERL-1138, GH-6455, GH-7550,
                         GH-8223, GH-8835, GH-8875, GH-8880, GH-8908,
                         OTP-18520, OTP-19061, PR-8226, PR-8766,
                         PR-8837, PR-8854, PR-8866, PR-8876, PR-8890,
                         PR-8892, PR-8895, PR-8897, PR-8901, PR-8914,
                         PR-8916
System:                  OTP
Release:                 27
Application:             common_test-1.27.3, erts-15.1.2,
                         kernel-10.1.1, ssh-5.2.3, ssl-11.2.4,
                         stdlib-6.1.2
Predecessor:             OTP 27.1.1

Check out the git tag OTP-27.1.2, 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.

common_test-1.27.3

The common_test-1.27.3 application can be applied independently of other
applications on a full OTP 27 installation.

Fixed Bugs and Malfunctions

• With this change, jquery and tablesorter licenses are added to COPYRIGHT file.
  Also tablesorter is updated to version 2.32.

  Own Id: OTP-19265
  Related Id(s): PR-8876

Full runtime dependencies of common_test-1.27.3

compiler-6.0, crypto-4.5, debugger-4.1, erts-7.0, ftp-1.0, inets-6.0,
kernel-8.4, observer-2.1, runtime_tools-1.8.16, sasl-2.5, snmp-5.1.2, ssh-4.0,
stdlib-4.0, syntax_tools-1.7, tools-3.2, xmerl-1.3.8

erts-15.1.2

The erts-15.1.2 application can be applied independently of other applications
on a full OTP 27 installation.

Fixed Bugs and Malfunctions

• A bug has been fixed where receiving an SCTP message with gen_sctp could
  waste the first fragments of a message and only deliver the last fragment.

  This happened with low probability when the OS signaled that the socket was
  ready for reading in combination with an internal time-out retry.

  A bug has been fixed with a lingering time-out from after an SCTP connect that
  could stop the flow of incoming messages on an active gen_tcp socket.

  Own Id: OTP-19235
  Related Id(s): ERIERL-1133, PR-8837

• An boolean option non_block_send for SCTP, has ben added to be able to
  achieve the old behaviour to avoid blocking send operations by passing the OS
  network stack error message ({error,eagain} through.

  Own Id: OTP-19258
  Related Id(s): ERIERL-1134, OTP-19061

• The call gen_tcp:send/2 could hang indefinitely despite having set the
  send_timeout option for the following unfortunate combination of
  circumstances:

  • The socket has to be in passive mode.
  • All output buffers had to be filled util the high_watermark was hit,
    causing the gen_tcp:send/2 operation to block.
  • While the send operation was blocked, a gen_tcp:recv/2,3 call had to be
    done from a different process. It had to block, waiting for data for a while
    before completing the operation, and the received packet had to fill at
    least 75% of the receive buffer.

  Under these circumstances he information that a send operation was waiting got
  lost, so the send operation that blocked in the first placed would never
  return. The data it had would be sent, though, and send operations from other
  processes, still work.

  This bug has been fixed.

  Own Id: OTP-19267
  Related Id(s): ERIERL-1138, GH-6455, PR-8892, OTP-18520

• In rare circumstances, in code that matches multiple tuples, the JIT could
  generate code that would raise a badmatch exception even if the given tuples
  were correct.

  Own Id: OTP-19268
  Related Id(s): GH-8875, PR-8895

• Fixed beam crash that could happen if resetting call_time or call_memory
  trace counters of a function while it is called. Bug exists since OTP R16.

  Own Id: OTP-19269
  Related Id(s): GH-8835, PR-8897

Full runtime dependencies of erts-15.1.2

kernel-9.0, sasl-3.3, stdlib-4.1

kernel-10.1.1

Note! The kernel-10.1.1 application cannot be applied independently of other
applications on an arbitrary OTP 27 installation.

   On a full OTP 27 installation, also the following runtime
   dependency has to be satisfied:
   -- erts-15.1 (first satisfied in OTP 27.1)

Fixed Bugs and Malfunctions

• A bug has been fixed where receiving an SCTP message with gen_sctp could
  waste the first fragments of a message and only deliver the last fragment.

  This happened with low probability when the OS signaled that the socket was
  ready for reading in combination with an internal time-out retry.

  A bug has been fixed with a lingering time-out from after an SCTP connect that
  could stop the flow of incoming messages on an active gen_tcp socket.

  Own Id: OTP-19235
  Related Id(s): ERIERL-1133, PR-8837

• An boolean option non_block_send for SCTP, has ben added to be able to
  achieve the old behaviour to avoid blocking send operations by passing the OS
  network stack error message ({error,eagain} through.

  Own Id: OTP-19258
  Related Id(s): ERIERL-1134, OTP-19061

Full runtime dependencies of kernel-10.1.1

crypto-5.0, erts-15.1, sasl-3.0, stdlib-6.0

ssh-5.2.3

The ssh-5.2.3 application can be applied independently of other applications on
a full OTP 27 installation.

Fixed Bugs and Malfunctions

• With this change, a race condition is removed from ssh client connection setup
  procedure.

  Own Id: OTP-19124
  Related Id(s): GH-7550, PR-8766

• With this change, ssh:connect is not affected by presence of EXIT message in
  queue.

  Own Id: OTP-19246
  Related Id(s): GH-8223, PR-8854

• With this change, ssh appends {active, false} option after socket options
  received from user - so that false value is always used.

  Own Id: OTP-19247
  Related Id(s): PR-8226

Full runtime dependencies of ssh-5.2.3

crypto-5.0, erts-14.0, kernel-9.0, public_key-1.6.1, runtime_tools-1.15.1,
stdlib-5.0, stdlib-6.0

ssl-11.2.4

Note! The ssl-11.2.4 application cannot be applied independently of other
applications on an arbitrary OTP 27 installation.

   On a full OTP 27 installation, also the following runtime
   dependency has to be satisfied:
   -- public_key-1.16.2 (first satisfied in OTP 27.1)

Fixed Bugs and Malfunctions

• Refactor trying to also make some optimizations introduced a bug in signature
  algorithms checks in OTP-26.2.1. This could manifest itself in not being able
  to negotiate connections using certificates needing to use some TLS-1.2
  compatibility legacy signature schemes.

  Own Id: OTP-19249
  Related Id(s): ERIERL-1137, PR-8866

• Correct timeout handling for termination code run for own alerts, so that
  intended timeout is used instead of falling back to OS TCP-stack timeout that
  is unreasonably long on some platforms.

  Own Id: OTP-19274
  Related Id(s): PR-8901

• Fix assertion so that works as intended. This could result in that some
  TLS-1.2 clients would fail to connect to the the erlang server. Bug introduced
  in OTP-27.1.1

  Own Id: OTP-19288
  Related Id(s): GH-8908, PR-8916

Full runtime dependencies of ssl-11.2.4

crypto-5.0, erts-15.0, inets-5.10.7, kernel-9.0, public_key-1.16.2,
runtime_tools-1.15.1, stdlib-6.0

stdlib-6.1.2

The stdlib-6.1.2 application can be applied independently of other applications
on a full OTP 27 installation.

Fixed Bugs and Malfunctions

• With this change, uri_string:normalize assumes empty path (do not crash) when
  no path is provided in the URI map.

  Own Id: OTP-19266
  Related Id(s): ERIERL-1127, PR-8890

• Fixed spec for json:format/3.

  Own Id: OTP-19286
  Related Id(s): GH-8880, PR-8914

Full runtime dependencies of stdlib-6.1.2

compiler-5.0, crypto-4.5, erts-15.0, kernel-10.0, sasl-3.0

Thanks to

Jakub Witczak