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http://bugs.exim.org/show_bug.cgi?id=969 Summary: compile_branch seg fault Product: PCRE Version: 8.01 Platform: x86 OS/Version: Linux Status: NEW Severity: bug Priority: medium Component: Code AssignedTo: [email protected] ReportedBy: [email protected] CC: [email protected] A seg fault occurs in compile_branch when a string starting with "\0277\0377" is passed to pcre_compile2 with compile options PCRE_CASELESS | PCRE_NO_UTF8_CHECK | PCRE_UTF8. #include "pcre.h" int main () { const char needle[] = {0x5B, 0xFF}; const char *errmsg; int erroffset, errcode, compile_options; compile_options = PCRE_CASELESS | PCRE_NO_UTF8_CHECK | PCRE_UTF8; (void)pcre_compile2 (needle, compile_options, &errcode, &errmsg, &erroffset, NULL); return 0; } backtrace #0 0x0000000000405d96 in compile_branch (optionsptr=0x7fffffffd46c, codeptr=0x7fffffffd4a0, ptrptr=0x7fffffffd4a8, errorcodeptr=0x7fffffffe630, firstbyteptr=0x7fffffffd48c, reqbyteptr=0x7fffffffd488, bcptr=0x7fffffffd470, cd=0x7fffffffe590, lengthptr=0x7fffffffd484) at pcre_compile.c:3576 #1 0x0000000000409cb5 in compile_regex (options=10241, oldims=1, codeptr=0x7fffffffe628, ptrptr=0x7fffffffe620, errorcodeptr=0x7fffffffe630, lookbehind=0, reset_bracount=0, skipbytes=0, firstbyteptr=0x7fffffffe638, reqbyteptr=0x7fffffffe634, bcptr=0x0, cd=0x7fffffffe590, lengthptr=0x7fffffffe63c) at pcre_compile.c:5877 #2 0x000000000040ae52 in pcre_compile2 (pattern=0x7fffffffe6e0 "[\377", options=10241, errorcodeptr=0x7fffffffe6d0, errorptr=0x7fffffffe6d8, erroroffset=0x7fffffffe6d4, tables=0x41ac40 "") at pcre_compile.c:6591 #3 0x0000000000400c46 in main () at pcre-regex-bug.c:14 Program received signal SIGSEGV, Segmentation fault. 0x0000000000405d96 in compile_branch (optionsptr=0x7fffffffd46c, codeptr=0x7fffffffd4a0, ptrptr=0x7fffffffd4a8, errorcodeptr=0x7fffffffe630, firstbyteptr=0x7fffffffd48c, reqbyteptr=0x7fffffffd488, bcptr=0x7fffffffd470, cd=0x7fffffffe590, lengthptr=0x7fffffffd484) at pcre_compile.c:3576 3576 if ((othercase = UCD_OTHERCASE(c)) != c) -- Configure bugmail: http://bugs.exim.org/userprefs.cgi?tab=email -- ## List details at http://lists.exim.org/mailman/listinfo/pcre-dev
