Bug #81101 [Ana->Csd]: PCRE2 10.37 shows unexpected result

From: Date: Sat, 19 Jun 2021 19:31:42 +0000
Subject: Bug #81101 [Ana->Csd]: PCRE2 10.37 shows unexpected result
References: 1  Groups: php.bugs 
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Edit report at https://bugs.php.net/bug.php?id=81101&edit=1

 ID:                 81101
 Updated by:         ab@php.net
 Reported by:        rlanting at move4mobile dot com
 Summary:            PCRE2 10.37 shows unexpected result
-Status:             Analyzed
+Status:             Closed
 Type:               Bug
 Package:            PCRE related
 Operating System:   MacOS 11.3.1
 PHP Version:        8.0.6
 Assigned To:        ab
 Block user comment: N
 Private report:     N

 New Comment:

The mitigation patch backported to 7.4 and 8.0.

Thanks


Previous Comments:
------------------------------------------------------------------------
[2021-06-06 23:56:13] ab@php.net

I pushed a potential fix to master. I'd suggest to observe for a week or two and backport into
7.4+ if it goes ok.

Thanks.

------------------------------------------------------------------------
[2021-06-04 13:51:00] rlanting at move4mobile dot com

Upstream has fixed it in r1315:

https://vcs.pcre.org/pcre2?view=revision&revision=1315

------------------------------------------------------------------------
[2021-06-04 12:06:24] ab@php.net

Thanks for filing the upstream report. The offending commit is

https://vcs.pcre.org/pcre2?view=revision&revision=1302

It'd be still better if it were fixable on our side, as 10.37 is already out. I'll see for
that.

Thanks

------------------------------------------------------------------------
[2021-06-04 06:59:40] rlanting at move4mobile dot com

PCRE bug report: https://bugs.exim.org/show_bug.cgi?id=2763

------------------------------------------------------------------------
[2021-06-03 14:41:44] nikic@php.net

Can reproduce on master, where bundled PCRE is 10.37. It does not reproduce with -d pcre.jit=0, so
this is clearly a PCRE JIT bug.

Assigning to @ab as he did the upgrade of the bundled version, but in the end this will need an
upstream report and fix.

------------------------------------------------------------------------


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