diff options
Diffstat (limited to 'erts/emulator/pcre')
| -rw-r--r-- | erts/emulator/pcre/pcre_compile.c | 9 | ||||
| -rw-r--r-- | erts/emulator/pcre/pcre_exec.c | 1 |
2 files changed, 7 insertions, 3 deletions
diff --git a/erts/emulator/pcre/pcre_compile.c b/erts/emulator/pcre/pcre_compile.c index 29743362d4..9508c5a697 100644 --- a/erts/emulator/pcre/pcre_compile.c +++ b/erts/emulator/pcre/pcre_compile.c @@ -92,6 +92,11 @@ is 4 there is plenty of room. */ #define COMPILE_WORK_SIZE (4096) +/* The overrun tests check for a slightly smaller size so that they detect the +overrun before it actually does run off the end of the data block. */ + +#define WORK_SIZE_CHECK (COMPILE_WORK_SIZE - 100) + /* Table for handling escaped characters in the range '0'-'z'. Positive returns are simple data values; negative values are for special things like \d and so @@ -2445,7 +2450,7 @@ for (;; ptr++) #ifdef DEBUG if (code > cd->hwm) cd->hwm = code; /* High water info */ #endif - if (code > cd->start_workspace + COMPILE_WORK_SIZE) /* Check for overrun */ + if (code > cd->start_workspace + WORK_SIZE_CHECK) /* Check for overrun */ { *errorcodeptr = ERR52; goto FAILED; @@ -2494,7 +2499,7 @@ for (;; ptr++) /* In the real compile phase, just check the workspace used by the forward reference list. */ - else if (cd->hwm > cd->start_workspace + COMPILE_WORK_SIZE) + else if (cd->hwm > cd->start_workspace + WORK_SIZE_CHECK) { *errorcodeptr = ERR52; goto FAILED; diff --git a/erts/emulator/pcre/pcre_exec.c b/erts/emulator/pcre/pcre_exec.c index 51625130c3..3fe13ca32e 100644 --- a/erts/emulator/pcre/pcre_exec.c +++ b/erts/emulator/pcre/pcre_exec.c @@ -5191,7 +5191,6 @@ for(;;) EDEBUGF(("Loop limit break detected")); return PCRE_ERROR_LOOP_LIMIT; RESTART_INTERRUPTED: - md->match_call_count = 0; md->loop_limit = extra_data->loop_limit; rc = match(NULL,NULL,NULL,0,md,0,NULL,0,0); *extra_data->loop_counter_return = |