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OpenXG-RAN
Commits
4e434ecf
Commit
4e434ecf
authored
2 years ago
by
Roberto Louro Magueta
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Fix buffer overflow for SRS
parent
e28fccc7
Changes
1
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1 changed file
with
5 additions
and
1 deletion
+5
-1
openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c
openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c
+5
-1
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openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c
View file @
4e434ecf
...
@@ -994,7 +994,11 @@ int nr_srs_channel_estimation(const PHY_VARS_gNB *gNB,
...
@@ -994,7 +994,11 @@ int nr_srs_channel_estimation(const PHY_VARS_gNB *gNB,
while
(((
long
)
&
srs_estimated_channel_freq
[
0
][
nr_srs_info
->
sc_list
[
0
]
+
mem_offset
]
&
0xF
)
!=
0
)
{
while
(((
long
)
&
srs_estimated_channel_freq
[
0
][
nr_srs_info
->
sc_list
[
0
]
+
mem_offset
]
&
0xF
)
!=
0
)
{
mem_offset
++
;
mem_offset
++
;
}
}
int32_t
srs_est
[
frame_parms
->
ofdm_symbol_size
*
(
1
<<
srs_pdu
->
num_symbols
)
+
mem_offset
]
__attribute__
((
aligned
(
32
)));
// filt16_end is {4096,8192,8192,8192,12288,16384,16384,16384,0,0,0,0,0,0,0,0}
// The End of OFDM symbol corresponds to the position of last 16384 in the filter
// The multadd_real_vector_complex_scalar applies the remaining 8 zeros of filter, therefore, to avoid a buffer overflow,
// we added 8 in the array size
int32_t
srs_est
[
frame_parms
->
ofdm_symbol_size
*
(
1
<<
srs_pdu
->
num_symbols
)
+
mem_offset
+
8
]
__attribute__
((
aligned
(
32
)));
for
(
int
ant
=
0
;
ant
<
frame_parms
->
nb_antennas_rx
;
ant
++
)
{
for
(
int
ant
=
0
;
ant
<
frame_parms
->
nb_antennas_rx
;
ant
++
)
{
...
...
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