Also warn for too long symbols
v2: Add missing newline. Use 255 max (Joe Perches)
Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>
---
scripts/kallsyms.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index 6940f00..c4230a4 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -27,7 +27,7 @@
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0]))
#endif
-#define KSYM_NAME_LEN 128
+#define KSYM_NAME_LEN 255
struct sym_entry {
unsigned long long addr;
@@ -118,6 +118,12 @@ static int read_symbol(FILE *in, struct sym_entry *s)
fprintf(stderr, "Read error or end of file.\n");
return -1;
}
+ if (strlen(str) > KSYM_NAME_LEN) {
+ fprintf(stderr, "Symbol %s too long for kallsyms (%lu vs %d).\n"
+ "Please increase KSYM_NAME_LEN both in kernel and kallsyms.c\n",
+ str, strlen(str), KSYM_NAME_LEN);
+ return -1;
+ }
sym = str;
/* skip prefix char */
--
1.8.4
--
ak@xxxxxxxxxxxxxxx -- Speaking for myself only.
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