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-rw-r--r--arch/s390/kernel/dis.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/kernel/dis.c b/arch/s390/kernel/dis.c
index 7f4a4a8c847c..be87d3e05a5b 100644
--- a/arch/s390/kernel/dis.c
+++ b/arch/s390/kernel/dis.c
@@ -1862,6 +1862,8 @@ void print_fn_code(unsigned char *code, unsigned long len)
while (len) {
ptr = buffer;
opsize = insn_length(*code);
+ if (opsize > len)
+ break;
ptr += sprintf(ptr, "%p: ", code);
for (i = 0; i < opsize; i++)
ptr += sprintf(ptr, "%02x", code[i]);