Commit 12d428aa authored by Nick Mathewson's avatar Nick Mathewson 🤹
Browse files

Prop140: Fix a crash bug. 

Found while fuzzing: this could occur if we tried to copy a
nonexistent "line 0" while applying a diff.
parent dd92579b

src/or/consdiff.c

+1 −1
Original line number Diff line number Diff line
@@ -742,7 +742,7 @@ apply_ed_diff(const smartlist_t *cons1, const smartlist_t *diff, 
    }



    /* Add unchanged lines. */

    for (; j > end; --j) {

    for (; j && j > end; --j) {

      const char *cons_line = smartlist_get(cons1, j-1);

      smartlist_add(cons2, tor_strdup(cons_line));

    }