17a834805e
Thanks again to Mamoru TASAKA <mtasaka@fedoraproject.org>! https://gitlab.gnome.org/GNOME/glib/-/merge_requests/2838
71 lines
4.4 KiB
Diff
71 lines
4.4 KiB
Diff
From 6535c77b00a444750148d9d658e4d47214bb4562 Mon Sep 17 00:00:00 2001
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From: Aleksei Rybalkin <aleksei@rybalkin.org>
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Date: Mon, 25 Jul 2022 16:48:03 +0200
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Subject: [PATCH 1/2] gregex: do not set match and recursion limits on match
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context
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These are not really necessary, and cause breakages (e.g. #2700).
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pcre2_set_recursion_limit is also deprecated.
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Fixes: #2700
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---
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glib/gregex.c | 2 --
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glib/tests/regex.c | 3 +++
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2 files changed, 3 insertions(+), 2 deletions(-)
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diff --git a/glib/gregex.c b/glib/gregex.c
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index 6741d2479f..dd61dc4813 100644
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--- a/glib/gregex.c
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+++ b/glib/gregex.c
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@@ -769,8 +769,6 @@ match_info_new (const GRegex *regex,
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&match_info->n_subpatterns);
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match_info->match_context = pcre2_match_context_create (NULL);
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- pcre2_set_match_limit (match_info->match_context, 65536); /* should be plenty */
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- pcre2_set_recursion_limit (match_info->match_context, 64); /* should be plenty */
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if (is_dfa)
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{
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diff --git a/glib/tests/regex.c b/glib/tests/regex.c
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index bb1a5ff762..5839465fae 100644
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--- a/glib/tests/regex.c
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+++ b/glib/tests/regex.c
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@@ -2493,6 +2493,9 @@ main (int argc, char *argv[])
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TEST_MATCH("[DŽ]", G_REGEX_CASELESS, 0, "dž", -1, 0, 0, TRUE);
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TEST_MATCH("[DŽ]", G_REGEX_CASELESS, 0, "Dž", -1, 0, 0, TRUE);
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+ /* see https://gitlab.gnome.org/GNOME/glib/-/issues/2700 */
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+ TEST_MATCH("(\n.+)+", G_REGEX_DEFAULT, 0, "\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n", -1, 0, 0, TRUE);
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+
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/* TEST_MATCH_NEXT#(pattern, string, string_len, start_position, ...) */
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TEST_MATCH_NEXT0("a", "x", -1, 0);
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TEST_MATCH_NEXT0("a", "ax", -1, 1);
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--
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GitLab
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From a2b5b9e906256f43b0bac702424613ea0e7ddcb0 Mon Sep 17 00:00:00 2001
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From: Aleksei Rybalkin <aleksei@rybalkin.org>
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Date: Mon, 25 Jul 2022 16:57:06 +0200
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Subject: [PATCH 2/2] gregex: add original test case for issue #2700
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---
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glib/tests/regex.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/glib/tests/regex.c b/glib/tests/regex.c
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index 5839465fae..acb082b704 100644
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--- a/glib/tests/regex.c
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+++ b/glib/tests/regex.c
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@@ -2495,6 +2495,7 @@ main (int argc, char *argv[])
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/* see https://gitlab.gnome.org/GNOME/glib/-/issues/2700 */
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TEST_MATCH("(\n.+)+", G_REGEX_DEFAULT, 0, "\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n", -1, 0, 0, TRUE);
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+ TEST_MATCH("\n([\\-\\.a-zA-Z]+[\\-\\.0-9]*) +connected ([^(\n ]*)[^\n]*((\n +[0-9]+x[0-9]+[^\n]+)+)", G_REGEX_DEFAULT, 0, "Screen 0: minimum 1 x 1, current 3840 x 1080, maximum 8192 x 8192\nVirtual1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 0mm x 0mm\n 1920x1080 60.00*+ 59.96 \n 3840x2400 59.97 \n 3840x2160 59.97 \n 2880x1800 59.95 \n 2560x1600 59.99 \n 2560x1440 59.95 \n 1920x1440 60.00 \n 1856x1392 60.00 \n 1792x1344 60.00 \n 1920x1200 59.88 \n 1600x1200 60.00 \n 1680x1050 59.95 \n 1400x1050 59.98 \n 1280x1024 60.02 \n 1440x900 59.89 \n 1280x960 60.00 \n 1360x768 60.02 \n 1280x800 59.81 \n 1152x864 75.00 \n 1280x768 59.87 \n 1280x720 59.86 \n 1024x768 60.00 \n 800x600 60.32 \n 640x480 59.94 \nVirtual2 connected 1920x1080+1920+0 (normal left inverted right x axis y axis) 0mm x 0mm\n 1920x1080 60.00*+ 59.96 \n 3840x2400 59.97 \n 3840x2160 59.97 \n 2880x1800 59.95 \n 2560x1600 59.99 \n 2560x1440 59.95 \n 1920x1440 60.00 \n 1856x1392 60.00 \n 1792x1344 60.00 \n 1920x1200 59.88 \n 1600x1200 60.00 \n 1680x1050 59.95 \n 1400x1050 59.98 \n 1280x1024 60.02 \n 1440x900 59.89 \n 1280x960 60.00 \n 1360x768 60.02 \n 1280x800 59.81 \n 1152x864 75.00 \n 1280x768 59.87 \n 1280x720 59.86 \n 1024x768 60.00 \n 800x600 60.32 \n 640x480 59.94 \nVirtual3 disconnected (normal left inverted right x axis y axis)\nVirtual4 disconnected (normal left inverted right x axis y axis)\nVirtual5 disconnected (normal left inverted right x axis y axis)\nVirtual6 disconnected (normal left inverted right x axis y axis)\nVirtual7 disconnected (normal left inverted right x axis y axis)\nVirtual8 disconnected (normal left inverted right x axis y axis)\n", -1, 0, 0, TRUE);
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/* TEST_MATCH_NEXT#(pattern, string, string_len, start_position, ...) */
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TEST_MATCH_NEXT0("a", "x", -1, 0);
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--
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GitLab
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