5f03158f6
Denis Vlasenko
2006-10-16
Subject
ash: fix segfault in ash. patch by walter harms
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Commit Diff GitHub →
shell/ash.c+5 -1
| @@ -3042,6 +3042,7 @@ expredir(union node *n) | |
| for (redir = n ; redir ; redir = redir->nfile.next) { | |
| struct arglist fn; | |
| + | memset(&fn, 0, sizeof(struct arglist)); |
| fn.lastp = &fn.list; | |
| switch (redir->type) { | |
| case NFROMTO: | |
| @@ -3056,7 +3057,10 @@ expredir(union node *n) | |
| case NTOFD: | |
| if (redir->ndup.vname) { | |
| expandarg(redir->ndup.vname, &fn, EXP_FULL | EXP_TILDE); | |
| - | fixredir(redir, fn.list->text, 1); |
| + | if (fn.list != NULL) |
| + | fixredir(redir, fn.list->text, 1); |
| + | else |
| + | sh_error("redir error"); |
| } | |
| break; | |
| } | |