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-rw-r--r--src/or/consdiff.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/src/or/consdiff.c b/src/or/consdiff.c
index 65e15f79ee..a340cfd8f8 100644
--- a/src/or/consdiff.c
+++ b/src/or/consdiff.c
@@ -670,15 +670,15 @@ apply_ed_diff(smartlist_t *cons1, smartlist_t *diff)
if (*endptr1 == ',') {
end = (int)strtol(endptr1+1, &endptr2, 10);
if (endptr2 == endptr1+1) {
- goto error_cleanup;
log_warn(LD_CONSDIFF, "Could not apply consensus diff because "
"an ed command was missing a range end line number.");
+ goto error_cleanup;
}
/* Incoherent range. */
if (end <= start) {
- goto error_cleanup;
log_warn(LD_CONSDIFF, "Could not apply consensus diff because "
"an invalid range was found in an ed command.");
+ goto error_cleanup;
}
/* We'll take <n1> as <n1>,<n1> for simplicity. */
@@ -693,6 +693,12 @@ apply_ed_diff(smartlist_t *cons1, smartlist_t *diff)
goto error_cleanup;
}
+ if (*endptr2 == '\0') {
+ log_warn(LD_CONSDIFF, "Could not apply consensus diff because "
+ "a line with no ed command was found");
+ goto error_cleanup;
+ }
+
if (*(endptr2+1) != '\0') {
log_warn(LD_CONSDIFF, "Could not apply consensus diff because "
"an ed command longer than one char was found.");