details: https://anonhg.NetBSD.org/src/rev/f1775a6e6cc0
branches: netbsd-9
changeset: 964127:f1775a6e6cc0
user: martin <martin%NetBSD.org@localhost>
date: Sun Sep 20 10:03:11 2020 +0000
description:
Pull up following revision(s) (requested by jakllsch in ticket #1089):
sys/dev/pci/virtio_pci.c: revision 1.12
Ensure interrupt handles buffer is zeroed on allocation
Prevents crashes trying to deallocate interrupts at shutdown.
Found by kim and mlelstv, confirmed by me
diffstat:
sys/dev/pci/virtio_pci.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
diffs (36 lines):
diff -r 08a2f812c33d -r f1775a6e6cc0 sys/dev/pci/virtio_pci.c
--- a/sys/dev/pci/virtio_pci.c Sat Sep 19 12:32:59 2020 +0000
+++ b/sys/dev/pci/virtio_pci.c Sun Sep 20 10:03:11 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: virtio_pci.c,v 1.7 2019/01/27 02:08:42 pgoyette Exp $ */
+/* $NetBSD: virtio_pci.c,v 1.7.4.1 2020/09/20 10:03:11 martin Exp $ */
/*
* Copyright (c) 2010 Minoura Makoto.
@@ -26,7 +26,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: virtio_pci.c,v 1.7 2019/01/27 02:08:42 pgoyette Exp $");
+__KERNEL_RCSID(0, "$NetBSD: virtio_pci.c,v 1.7.4.1 2020/09/20 10:03:11 martin Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -697,7 +697,7 @@
}
if (pci_intr_type(pc, psc->sc_ihp[0]) == PCI_INTR_TYPE_MSIX) {
- psc->sc_ihs = kmem_alloc(sizeof(*psc->sc_ihs) * nmsix,
+ psc->sc_ihs = kmem_zalloc(sizeof(*psc->sc_ihs) * nmsix,
KM_SLEEP);
error = virtio_pci_setup_msix_interrupts(sc, &psc->sc_pa);
@@ -714,7 +714,7 @@
psc->sc_ihs_num = nmsix;
psc->sc_config_offset = VIRTIO_CONFIG_DEVICE_CONFIG_MSI;
} else if (pci_intr_type(pc, psc->sc_ihp[0]) == PCI_INTR_TYPE_INTX) {
- psc->sc_ihs = kmem_alloc(sizeof(*psc->sc_ihs) * 1,
+ psc->sc_ihs = kmem_zalloc(sizeof(*psc->sc_ihs) * 1,
KM_SLEEP);
error = virtio_pci_setup_intx_interrupt(sc, &psc->sc_pa);