TPM: get_event_name stack corruption

[karo-tx-linux.git] / drivers / char / tpm / tpm_bios.c

diff --git a/drivers/char/tpm/tpm_bios.c b/drivers/char/tpm/tpm_bios.c
index ed306eb1057fde9a7b0c66e093fa8d91464eba4d..0c2f55a38b954d56a1eba026e8b9c65718af1286 100644 (file)
--- a/drivers/char/tpm/tpm_bios.c
+++ b/drivers/char/tpm/tpm_bios.c
@@ -212,7 +212,8 @@ static int get_event_name(char *dest, struct tcpa_event *event,
                        unsigned char * event_entry)
 {
        const char *name = "";
-       char data[40] = "";
+       /* 41 so there is room for 40 data and 1 nul */
+       char data[41] = "";
        int i, n_len = 0, d_len = 0;
        struct tcpa_pc_event *pc_event;