diff options
Diffstat (limited to 'drivers/misc/habanalabs/gaudi/gaudi_coresight.c')
| -rw-r--r-- | drivers/misc/habanalabs/gaudi/gaudi_coresight.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/misc/habanalabs/gaudi/gaudi_coresight.c b/drivers/misc/habanalabs/gaudi/gaudi_coresight.c index 5673ee49819e..881531d4d9da 100644 --- a/drivers/misc/habanalabs/gaudi/gaudi_coresight.c +++ b/drivers/misc/habanalabs/gaudi/gaudi_coresight.c @@ -527,7 +527,7 @@ static int gaudi_config_etf(struct hl_device *hdev, } static bool gaudi_etr_validate_address(struct hl_device *hdev, u64 addr, - u32 size, bool *is_host) + u64 size, bool *is_host) { struct asic_fixed_properties *prop = &hdev->asic_prop; struct gaudi_device *gaudi = hdev->asic_specific; @@ -539,6 +539,12 @@ static bool gaudi_etr_validate_address(struct hl_device *hdev, u64 addr, return false; } + if (addr > (addr + size)) { + dev_err(hdev->dev, + "ETR buffer size %llu overflow\n", size); + return false; + } + /* PMMU and HPMMU addresses are equal, check only one of them */ if ((gaudi->hw_cap_initialized & HW_CAP_MMU) && hl_mem_area_inside_range(addr, size, |