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-rw-r--r--shell/ash.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/shell/ash.c b/shell/ash.c
index c5ad96909..0f9f73ec3 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -10556,7 +10556,7 @@ static union node *andor(void);
static union node *pipeline(void);
static union node *parse_command(void);
static void parseheredoc(void);
-static char peektoken(void);
+static char nexttoken_ends_list(void);
static int readtoken(void);
static union node *
@@ -10566,7 +10566,7 @@ list(int nlflag)
int tok;
checkkwd = CHKNL | CHKKWD | CHKALIAS;
- if (nlflag == 2 && peektoken())
+ if (nlflag == 2 && nexttoken_ends_list())
return NULL;
n1 = NULL;
for (;;) {
@@ -10608,8 +10608,15 @@ list(int nlflag)
tokpushback = 1;
}
checkkwd = CHKNL | CHKKWD | CHKALIAS;
- if (peektoken())
+ if (nexttoken_ends_list()) {
+ /* Testcase: "<<EOF; then <W".
+ * It used to segfault w/o this check:
+ */
+ if (heredoclist) {
+ raise_error_unexpected_syntax(-1);
+ }
return n1;
+ }
break;
case TEOF:
if (heredoclist)
@@ -12046,7 +12053,7 @@ readtoken(void)
}
static char
-peektoken(void)
+nexttoken_ends_list(void)
{
int t;