diff options
Diffstat (limited to 'posix')
| -rw-r--r-- | posix/Makefile | 3 | ||||
| -rw-r--r-- | posix/bug-regex23.c | 35 | ||||
| -rw-r--r-- | posix/regexec.c | 7 |
3 files changed, 42 insertions, 3 deletions
diff --git a/posix/Makefile b/posix/Makefile index bfde63692e..5a9d7f9136 100644 --- a/posix/Makefile +++ b/posix/Makefile @@ -79,7 +79,7 @@ tests := tstgetopt testfnm runtests runptests \ bug-regex8 bug-regex9 bug-regex10 bug-regex11 bug-regex12 \ bug-regex13 bug-regex14 bug-regex15 bug-regex16 \ bug-regex17 bug-regex18 bug-regex19 bug-regex20 \ - bug-regex21 bug-regex22 tst-nice tst-nanosleep \ + bug-regex21 bug-regex22 bug-regex23 tst-nice tst-nanosleep \ transbug tst-rxspencer tst-pcre tst-boost ifeq (yes,$(build-shared)) test-srcs := globtest @@ -163,6 +163,7 @@ bug-regex18-ENV = LOCPATH=$(common-objpfx)localedata bug-regex19-ENV = LOCPATH=$(common-objpfx)localedata bug-regex20-ENV = LOCPATH=$(common-objpfx)localedata bug-regex22-ENV = LOCPATH=$(common-objpfx)localedata +bug-regex23-ENV = LOCPATH=$(common-objpfx)localedata tst-rxspencer-ARGS = --utf8 rxspencer/tests tst-rxspencer-ENV = LOCPATH=$(common-objpfx)localedata tst-pcre-ARGS = PCRE.tests diff --git a/posix/bug-regex23.c b/posix/bug-regex23.c new file mode 100644 index 0000000000..61ee4f5856 --- /dev/null +++ b/posix/bug-regex23.c @@ -0,0 +1,35 @@ +/* Test we don't segfault on invalid UTF-8 sequence. + Copyright (C) 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2004. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <locale.h> +#include <regex.h> +#include <string.h> + +int +main (void) +{ + regex_t r; + + memset (&r, 0, sizeof (r)); + setlocale (LC_ALL, "de_DE.UTF-8"); + regcomp (&r, "[-a-z_0-9.]+@[-a-z_0-9.]+", REG_EXTENDED | REG_ICASE); + regexec (&r, "\xe7\xb7\x95\xe7\x97", 0, NULL, 0); + return 0; +} diff --git a/posix/regexec.c b/posix/regexec.c index 32ba80a155..c524ce8fb6 100644 --- a/posix/regexec.c +++ b/posix/regexec.c @@ -3666,7 +3666,7 @@ check_node_accept_bytes (dfa, node_idx, input, str_idx) } elem_len = re_string_elem_size_at (input, str_idx); - if (elem_len <= 1 && char_len <= 1) + if ((elem_len <= 1 && char_len <= 1) || char_len == 0) return 0; if (node->type == COMPLEX_BRACKET) @@ -3847,8 +3847,10 @@ find_collation_sequence_value (mbs, mbs_len) int32_t idx; const unsigned char *extra = (const unsigned char *) _NL_CURRENT (LC_COLLATE, _NL_COLLATE_SYMB_EXTRAMB); + int32_t extrasize = (const unsigned char *) + _NL_CURRENT (LC_COLLATE, _NL_COLLATE_SYMB_EXTRAMB + 1) - extra; - for (idx = 0; ;) + for (idx = 0; idx < extrasize;) { int mbs_cnt, found = 0; int32_t elem_mbs_len; @@ -3878,6 +3880,7 @@ find_collation_sequence_value (mbs, mbs_len) /* Skip the collation sequence value. */ idx += sizeof (uint32_t); } + return UINT_MAX; } } # endif /* _LIBC */ |