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| author | Akshay Ragir <akshay.ragir@ittiam.com> | 2023-10-03 10:15:52 +0530 |
|---|---|---|
| committer | Divya B M <89966460+divya-bm@users.noreply.github.com> | 2023-10-03 19:14:29 +0530 |
| commit | 56716426e2087e604ee6267129857b409e53ab09 (patch) | |
| tree | 4f5f843103c9442af361f44d1e9861e4c5f3f40d /encoder/ixheaace_basic_ops.c | |
| parent | f48c9bea6406028f4599306e609f60bb8a022374 (diff) | |
| download | libxaac-56716426e2087e604ee6267129857b409e53ab09.tar.gz | |
Fix for the Global-buffer-overflow READ 4 in iusace_quantize_lines
These changes handle the global-buffer-overflow runtime error
reported when the tonal difference in the SBR module becomes
zero.
Bug: ossFuzz: 62261
Test: poc in bug
Diffstat (limited to 'encoder/ixheaace_basic_ops.c')
| -rw-r--r-- | encoder/ixheaace_basic_ops.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/encoder/ixheaace_basic_ops.c b/encoder/ixheaace_basic_ops.c index c18b430..04b727b 100644 --- a/encoder/ixheaace_basic_ops.c +++ b/encoder/ixheaace_basic_ops.c @@ -18,6 +18,8 @@ * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore */ +#include <float.h> +#include <math.h> #include "ixheaac_type_def.h" #include "ixheaac_constants.h" #include "ixheaace_aac_constants.h" @@ -33,3 +35,17 @@ WORD ia_enhaacplus_enc_norm32_arr(const WORD32 *word32_arr, LOOPINDEX n) { } return (ixheaac_pnorm32(max_bits)); } + +FLOAT32 ixheaace_div32(FLOAT32 num, FLOAT32 den) { + if (fabs(den) < FLT_EPSILON) { + if (den < 0.0f) { + return -num; + } + else { + return num; + } + } + else { + return num / den; + } +} |