6f5bd88717
This is an automated DistroBaker update from upstream sources. If you do not know what this is about or would like to opt out, contact the OSCI team. Source: https://src.fedoraproject.org/rpms/perl.git#316f16da493415a6a2d29b6991507e960ca67c11
101 lines
4.1 KiB
Diff
101 lines
4.1 KiB
Diff
From cac138107138a9814b32c4de74426225628f1646 Mon Sep 17 00:00:00 2001
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From: Karl Williamson <khw@cpan.org>
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Date: Sun, 17 Jan 2021 21:45:20 -0700
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Subject: [PATCH] Add missing entries to perldiag; GH #18276
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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The ticket mentions yet another message, not addressed in this
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commit, "Insecure private-use override". That message is part of a
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hook for a so-far unimplemented module, so it actually doesn't ever get
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raised.
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Committer: One correction per Grinnz comment in
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https://github.com/Perl/perl5/pull/18491
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Signed-off-by: Petr Písař <ppisar@redhat.com>
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---
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pod/perldiag.pod | 45 +++++++++++++++++++++++++++++++++++++++++++++
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1 file changed, 45 insertions(+)
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diff --git a/pod/perldiag.pod b/pod/perldiag.pod
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index 9c91630d39..63f57f220e 100644
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--- a/pod/perldiag.pod
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+++ b/pod/perldiag.pod
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@@ -2195,6 +2195,20 @@ single form when it must operate on them directly. Either you've passed
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an invalid file specification to Perl, or you've found a case the
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conversion routines don't handle. Drat.
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+=item Error %s in expansion of %s
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+
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+(F) An error was encountered in handling a user-defined property
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+(L<perlunicode/User-Defined Character Properties>). These are
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+programmer written subroutines, hence subject to errors that may
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+prevent them from compiling or running. The calls to these subs are
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+C<eval>'d, and if there is a failure, this message is raised, using the
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+contents of C<$@> from the failed C<eval>.
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+
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+Another possibility is that tainted data was encountered somewhere in
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+the chain of expanding the property. If so, the message wording will
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+indicate that this is the problem. See L</Insecure user-defined
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+property %s>.
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+
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=item Eval-group in insecure regular expression
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(F) Perl detected tainted data when trying to compile a regular
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@@ -2836,6 +2850,16 @@ not match 8 spaces.
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text. You should check the pattern to ensure that recursive patterns
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either consume text or fail.
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+=item Infinite recursion in user-defined property
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+
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+(F) A user-defined property (L<perlunicode/User-Defined Character
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+Properties>) can depend on the definitions of other user-defined
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+properties. If the chain of dependencies leads back to this property,
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+infinite recursion would occur, were it not for the check that raised
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+this error.
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+
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+Restructure your property definitions to avoid this.
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+
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=item Infinite recursion via empty pattern
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(F) You tried to use the empty pattern inside of a regex code block,
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@@ -6273,6 +6297,20 @@ lexicals that are initialized only once (see L<feature>):
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This use of C<my()> in a false conditional was deprecated beginning in
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Perl 5.10 and became a fatal error in Perl 5.30.
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+=item Timeout waiting for another thread to define \p{%s}
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+
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+(F) The first time a user-defined property
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+(L<perlunicode/User-Defined Character Properties>) is used, its
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+definition is looked up and converted into an internal form for more
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+efficient handling in subsequent uses. There could be a race if two or
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+more threads tried to do this processing nearly simultaneously.
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+Instead, a critical section is created around this task, locking out all
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+but one thread from doing it. This message indicates that the thread
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+that is doing the conversion is taking an unexpectedly long time. The
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+timeout exists solely to prevent deadlock; it's long enough that the
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+system was likely thrashing and about to crash. There is no real remedy but
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+rebooting.
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+
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=item times not implemented
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(F) Your version of the C library apparently doesn't do times(). I
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@@ -6846,6 +6884,13 @@ for the list of known options.
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L<perlrun|perlrun/-C [numberE<sol>list]> documentation of the C<-C> switch
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for the list of known options.
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+=item Unknown user-defined property name \p{%s}
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+
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+(F) You specified to use a property within the C<\p{...}> which was a
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+syntactically valid user-defined property, but no definition was found
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+for it by the time one was required to proceed. Check your spelling.
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+See L<perlunicode/User-Defined Character Properties>.
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+
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=item Unknown verb pattern '%s' in regex; marked by S<<-- HERE> in m/%s/
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(F) You either made a typo or have incorrectly put a C<*> quantifier
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--
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2.26.2
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