The branch main has been updated by imp:
URL:
https://cgit.FreeBSD.org/src/commit/?id=19dbf72a270125621268e8b07ccc9ac99c67e7d0
commit 19dbf72a270125621268e8b07ccc9ac99c67e7d0
Author: Pierre Pronchery <pie...@freebsdfoundation.org>
AuthorDate: 2024-05-29 18:00:02 +0000
Commit: Warner Losh <i...@freebsd.org>
CommitDate: 2024-05-29 19:39:29 +0000
bhyve: correctly remove a memory mapping
In a normal code path while setting up GPU passthrough, the size
parameter to munmap() is wrong and its operation not checked for errors,
therefore leaking resources.
Reported by: Coverity Scan
CID: 1519830
Sponsored by: The FreeBSD Foundation
Reviewed by: imp
Pull Request: https://github.com/freebsd/freebsd-src/pull/1262
---
usr.sbin/bhyve/amd64/pci_gvt-d.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/usr.sbin/bhyve/amd64/pci_gvt-d.c b/usr.sbin/bhyve/amd64/pci_gvt-d.c
index f64cc5984352..dfcd6a8f68c8 100644
--- a/usr.sbin/bhyve/amd64/pci_gvt-d.c
+++ b/usr.sbin/bhyve/amd64/pci_gvt-d.c
@@ -220,7 +220,7 @@ gvt_d_setup_opregion(struct pci_devinst *const pi)
opregion->hpa = asls;
opregion->len = header->size * KB;
- munmap(header, sizeof(header));
+ munmap(header, sizeof(*header));
opregion->hva = mmap(NULL, opregion->len * KB, PROT_READ, MAP_SHARED,
memfd, opregion->hpa);
