DSP capabilities request is sending bad size to utilities skel
call which is resulting in memory corruption. Pass proper size
to avoid the corruption.
Fixes: 6c16fd8bdd40 ("misc: fastrpc: Add support to get DSP capabilities")
Cc: stable <stable@xxxxxxxxxx>
Signed-off-by: Ekansh Gupta <quic_ekangupt@xxxxxxxxxxx>
---
drivers/misc/fastrpc.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c
index 61389795f498..3e1ab58038ed 100644
--- a/drivers/misc/fastrpc.c
+++ b/drivers/misc/fastrpc.c
@@ -1695,6 +1695,7 @@ static int fastrpc_get_info_from_dsp(struct fastrpc_user *fl, uint32_t *dsp_attr
/* Capability filled in userspace */
dsp_attr_buf[0] = 0;
+ dsp_attr_buf_len -= 1;
args[0].ptr = (u64)(uintptr_t)&dsp_attr_buf_len;
args[0].length = sizeof(dsp_attr_buf_len);
--
2.43.0
