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File _service:tar_scm:backport-Fix-bad-patch-in-05206d66.-The-interpreter-was-handl.patch of Package pcre2
From 57ee073252dc826dbe412846a83421d2bb4483bc Mon Sep 17 00:00:00 2001 From: Philip Hazel <Philip.Hazel@gmail.com> Date: Wed, 22 Nov 2023 11:34:27 +0000 Subject: [PATCH] Fix bad patch in 05206d66. The interpreter was handling NOTEOL incorrectly in general after trying to fix it in invalid UTF subjects. --- src/pcre2_intmodedep.h | 3 ++- src/pcre2_match.c | 7 +++---- testdata/testinput2 | 4 ++++ testdata/testoutput2 | 6 ++++++ 4 files changed, 15 insertions(+), 5 deletions(-) diff --git a/src/pcre2_intmodedep.h b/src/pcre2_intmodedep.h index 5e7e10d..423764d 100644 --- a/src/pcre2_intmodedep.h +++ b/src/pcre2_intmodedep.h @@ -880,7 +880,8 @@ typedef struct match_block { PCRE2_SPTR start_code; /* For use when recursing */ PCRE2_SPTR start_subject; /* Start of the subject string */ PCRE2_SPTR check_subject; /* Where UTF-checked from */ - PCRE2_SPTR end_subject; /* End of the subject string */ + PCRE2_SPTR end_subject; /* Usable end of the subject string */ + PCRE2_SPTR true_end_subject; /* Actual end of the subject string */ PCRE2_SPTR end_match_ptr; /* Subject position at end match */ PCRE2_SPTR start_used_ptr; /* Earliest consulted character */ PCRE2_SPTR last_used_ptr; /* Latest consulted character */ diff --git a/src/pcre2_match.c b/src/pcre2_match.c index ea03976..c5e84ce 100644 --- a/src/pcre2_match.c +++ b/src/pcre2_match.c @@ -6076,12 +6076,10 @@ fprintf(stderr, "++ %2ld op=%3d %s\n", Fecode - mb->start_code, *Fecode, if ((mb->poptions & PCRE2_DOLLAR_ENDONLY) == 0) goto ASSERT_NL_OR_EOS; /* Fall through */ - /* Unconditional end of subject assertion (\z). We must check NOTEOL - because it gets set for invalid UTF fragments. */ + /* Unconditional end of subject assertion (\z). */ case OP_EOD: - if (Feptr < mb->end_subject || (mb->moptions & PCRE2_NOTEOL) != 0) - RRETURN(MATCH_NOMATCH); + if (Feptr < mb->true_end_subject) RRETURN(MATCH_NOMATCH); if (mb->partial != 0) { mb->hitend = TRUE; @@ -6891,6 +6889,7 @@ mb->callout_data = mcontext->callout_data; mb->start_subject = subject; mb->start_offset = start_offset; mb->end_subject = end_subject; +mb->true_end_subject = true_end_subject; mb->hasthen = (re->flags & PCRE2_HASTHEN) != 0; mb->allowemptypartial = (re->max_lookbehind > 0) || (re->flags & PCRE2_MATCH_EMPTY) != 0; diff --git a/testdata/testinput2 b/testdata/testinput2 index 0e24e78..b874f20 100644 --- a/testdata/testinput2 +++ b/testdata/testinput2 @@ -6055,4 +6055,8 @@ a)"xI /A +/extended +/a\z/ + a + a\=noteol + # End of testinput2 diff --git a/testdata/testoutput2 b/testdata/testoutput2 index 68800fb..c1bc0e6 100644 --- a/testdata/testoutput2 +++ b/testdata/testoutput2 @@ -17946,6 +17946,12 @@ No match /A +/extended +/a\z/ + a + 0: a + a\=noteol + 0: a + # End of testinput2 Error -70: PCRE2_ERROR_BADDATA (unknown error number) Error -62: bad serialized data -- 2.33.0
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