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-rw-r--r--scripts/kallsyms.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index 9a11f9f799f4..10085de886fe 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -115,6 +115,12 @@ 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 (%zu 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 */