Author: mav
Date: Fri Apr 12 18:13:57 2019
New Revision: 346159
URL: https://svnweb.freebsd.org/changeset/base/346159
Log:
Fix thread name buffer overflow.
MFC after: 1 week
Modified:
head/usr.sbin/bhyve/pci_virtio_scsi.c
Modified: head/usr.sbin/bhyve/pci_virtio_scsi.c
==============================================================================
--- head/usr.sbin/bhyve/pci_virtio_scsi.c Fri Apr 12 17:27:19 2019
(r346158)
+++ head/usr.sbin/bhyve/pci_virtio_scsi.c Fri Apr 12 18:13:57 2019
(r346159)
@@ -634,7 +634,7 @@ pci_vtscsi_init_queue(struct pci_vtscsi_softc *sc,
struct pci_vtscsi_queue *queue, int num)
{
struct pci_vtscsi_worker *worker;
- char threadname[16];
+ char tname[MAXCOMLEN + 1];
int i;
queue->vsq_sc = sc;
@@ -653,8 +653,8 @@ pci_vtscsi_init_queue(struct pci_vtscsi_softc *sc,
pthread_create(&worker->vsw_thread, NULL, &pci_vtscsi_proc,
(void *)worker);
- sprintf(threadname, "virtio-scsi:%d-%d", num, i);
- pthread_set_name_np(worker->vsw_thread, threadname);
+ snprintf(tname, sizeof(tname), "vtscsi:%d-%d", num, i);
+ pthread_set_name_np(worker->vsw_thread, tname);
LIST_INSERT_HEAD(&queue->vsq_workers, worker, vsw_link);
}
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