xfnw/plan9fox
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

pc: do not access out of bounds array element

Browse source
This commit is contained in:
Sigrid Solveig Haflínudóttir 2022-03-28 17:23:04 +00:00
parent 89ae389eb6
commit bc5b0254d0
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
sys/src/cmd/pc.y
View file

@ -636,7 +636,7 @@ yylex(void)
yylval.sym = getsym(buf, 1); yylval.sym = getsym(buf, 1);
return LSYMB; return LSYMB;
} }
if(c < 128 && (kw = optab[c], kw != nil)){ if(c >= 0 && c < 128 && (kw = optab[c], kw != nil)){
b = Bgetc(in); b = Bgetc(in);
for(; kw->name[0] == c; kw++) for(; kw->name[0] == c; kw++)
if(kw->name[0] == b) if(kw->name[0] == b)