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authorJean-Marc Valin <jmvalin@jmvalin.ca>2022-06-28 02:07:08 -0400
committerJean-Marc Valin <jmvalin@jmvalin.ca>2022-06-28 02:07:08 -0400
commitccb42e05cc6eb98a15874b9695361025b3ee17ab (patch)
tree25ff980204b2422a50ccef1b5391ecbc871fe03e /silk/float
parentd7d4b3487f9b352942d868d056cba520fc4346c7 (diff)
downloadopus-ccb42e05cc6eb98a15874b9695361025b3ee17ab.tar.gz
Fixes valgrind failure caused by silk_find_pred_coefs_*()
The function copies NLSFs from the stack to the state which for order 10 means we were copying uninitialized values. That in turn breaks check-asm when comparing the state under valgrind. Reviewed by Timothy B. Terriberry.
Diffstat (limited to 'silk/float')
-rw-r--r--silk/float/find_pred_coefs_FLP.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/silk/float/find_pred_coefs_FLP.c b/silk/float/find_pred_coefs_FLP.c
index dcf7c520..6f790788 100644
--- a/silk/float/find_pred_coefs_FLP.c
+++ b/silk/float/find_pred_coefs_FLP.c
@@ -44,7 +44,8 @@ void silk_find_pred_coefs_FLP(
silk_float XXLTP[ MAX_NB_SUBFR * LTP_ORDER * LTP_ORDER ];
silk_float xXLTP[ MAX_NB_SUBFR * LTP_ORDER ];
silk_float invGains[ MAX_NB_SUBFR ];
- opus_int16 NLSF_Q15[ MAX_LPC_ORDER ];
+ /* Set to NLSF_Q15 to zero so we don't copy junk to the state. */
+ opus_int16 NLSF_Q15[ MAX_LPC_ORDER ]={0};
const silk_float *x_ptr;
silk_float *x_pre_ptr, LPC_in_pre[ MAX_NB_SUBFR * MAX_LPC_ORDER + MAX_FRAME_LENGTH ];
silk_float minInvGain;