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Merge "msm: eva: Validating the SFR buffer size before accessing"

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QCTECMDR Service 2025-01-22 03:41:08 -08:00 • committed by Gerrit - the friendly Code Review server
commit eeafe4140a
1 changed files with 5 additions and 3 deletions
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8
drivers/media/platform/msm/cvp/cvp_hfi.c
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@ -2763,17 +2763,19 @@ skip_power_off:
static void __process_sys_error(struct iris_hfi_device *device)
{
struct cvp_hfi_sfr_struct *vsfr = NULL;
u32 sfr_buf_size = 0;
vsfr = (struct cvp_hfi_sfr_struct *)device->sfr.align_virtual_addr;
if (vsfr) {
void *p = memchr(vsfr->rg_data, '\0', vsfr->bufSize);
sfr_buf_size = vsfr->bufSize;
if (vsfr && sfr_buf_size < ALIGNED_SFR_SIZE) {
void *p = memchr(vsfr->rg_data, '\0', sfr_buf_size);
/*
* SFR isn't guaranteed to be NULL terminated
* since SYS_ERROR indicates that Iris is in the
* process of crashing.
*/
if (p == NULL)
vsfr->rg_data[vsfr->bufSize - 1] = '\0';
vsfr->rg_data[sfr_buf_size - 1] = '\0';
dprintk(CVP_ERR, "SFR Message from FW: %s\n",
vsfr->rg_data);