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

acme: fix use after free in warning() call (thanks igor)

Browse source
This commit is contained in:
cinap_lenrek 2021-02-03 01:19:19 +01:00
parent 3c1022a3de
commit 01ab07ef72
1 changed files with 2 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
sys/src/cmd/acme/wind.c
View file

@ -610,13 +610,14 @@ winaddincl(Window *w, Rune *r, int n)
r = runerealloc(r, n+1);
r[n] = 0;
}
free(a);
if((d->qid.type&QTDIR) == 0){
free(d);
warning(nil, "%s: not a directory\n", a);
free(r);
free(a);
return;
}
free(a);
free(d);
w->nincl++;
w->incl = realloc(w->incl, w->nincl*sizeof(Rune*));