On 28/7/26 11:26, Klaus Jensen wrote:
From: Klaus Jensen <[email protected]>
Fix potentially overflowing shift operation.
Cc: [email protected]
Suggested-by: Peter Maydell <[email protected]>
Resolves: Coverity CID 1663674
Fixes: ec917cd49918 ("hw/nvme: fix FDP set FDP events")
Signed-off-by: Klaus Jensen <[email protected]>
---
hw/nvme/ctrl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c
index a67e1598891c..40f22fdc40bd 100644
--- a/hw/nvme/ctrl.c
+++ b/hw/nvme/ctrl.c
@@ -6622,7 +6622,7 @@ static uint16_t nvme_set_feature_fdp_events(NvmeCtrl *n,
NvmeNamespace *ns,
if (!shift && event_type) {
continue;
}
- event_mask |= (1 << nvme_fdp_evf_shifts[events[i]]);
+ event_mask |= (1ULL << nvme_fdp_evf_shifts[events[i]]);
Alternatively:
event_mask = deposit64(event_mask, nvme_fdp_evf_shifts[events[i]], 1);
}
if (enable) {
---
base-commit: 299e7557ed15a9a325620698add379a3ce2d1d95
change-id: 20260728-fix-shift-525e53c1df6f
Best regards,
