git: d4e643f6a51d - stable/12 - bhyve nvme: Fix uninitialized pointer
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Date: Fri, 20 Jan 2023 21:08:58 UTC
The branch stable/12 has been updated by emaste:
URL: https://cgit.FreeBSD.org/src/commit/?id=d4e643f6a51d7fb8d8523419196449faa5fa047d
commit d4e643f6a51d7fb8d8523419196449faa5fa047d
Author: Chuck Tuffli <chuck@FreeBSD.org>
AuthorDate: 2022-06-09 20:05:46 +0000
Commit: Ed Maste <emaste@FreeBSD.org>
CommitDate: 2023-01-20 21:08:28 +0000
bhyve nvme: Fix uninitialized pointer
The Dataset Management code could free an uninitialized pointer if the
device doesn't support the Dataset Management command.
PR: 264548
Reported by: Robert Morris <rtm@lcs.mit.edu>
(cherry picked from commit 7376c08cc67e65ee660d51873129e34745ef5dd4)
(cherry picked from commit c84ec3076e7de10d7475fd9694ad64603e264d88)
---
usr.sbin/bhyve/pci_nvme.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/usr.sbin/bhyve/pci_nvme.c b/usr.sbin/bhyve/pci_nvme.c
index 5f7a13d492f2..0d5324a8977b 100644
--- a/usr.sbin/bhyve/pci_nvme.c
+++ b/usr.sbin/bhyve/pci_nvme.c
@@ -2103,7 +2103,7 @@ nvme_opc_dataset_mgmt(struct pci_nvme_softc *sc,
struct pci_nvme_ioreq *req,
uint16_t *status)
{
- struct nvme_dsm_range *range;
+ struct nvme_dsm_range *range = NULL;
uint32_t nr, r, non_zero, dr;
int err;
bool pending = false;