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29 lines
961 B
Diff
29 lines
961 B
Diff
Original patch from: gentoo/src/patchsets/glibc/2.9/0053_all_glibc-2.9-regex-BZ697.patch
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-= BEGIN original header =-
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http://sourceware.org/ml/libc-alpha/2009-01/msg00006.html
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From 37bdc055ceeb6b1144c07448a7210d9ab3fbb2f5 Mon Sep 17 00:00:00 2001
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From: Ulrich Drepper <drepper@redhat.com>
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Date: Thu, 8 Jan 2009 00:47:05 +0000
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Subject: [PATCH] (prune_impossible_nodes): Handle sifted_states[0] being NULL also if
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there are no backreferences.
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-= END original header =-
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diff -durN glibc-2_9.orig/posix/regexec.c glibc-2_9/posix/regexec.c
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--- glibc-2_9.orig/posix/regexec.c 2007-10-12 19:47:13.000000000 +0200
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+++ glibc-2_9/posix/regexec.c 2009-02-02 22:00:43.000000000 +0100
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@@ -1004,6 +1004,11 @@
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re_node_set_free (&sctx.limits);
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if (BE (ret != REG_NOERROR, 0))
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goto free_return;
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+ if (sifted_states[0] == NULL)
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+ {
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+ ret = REG_NOMATCH;
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+ goto free_return;
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+ }
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}
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re_free (mctx->state_log);
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mctx->state_log = sifted_states;
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