Date: Sun, 15 Mar 2015 17:45:17 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r280044 - head/usr.sbin/bhyve Message-ID: <201503151745.t2FHjHgl079776@svn.freebsd.org>
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Author: mav Date: Sun Mar 15 17:45:16 2015 New Revision: 280044 URL: https://svnweb.freebsd.org/changeset/base/280044 Log: According to Linux and QEMU, s/n equal to buffer is not zero-terminated. This makes same s/n reported for both virtio and AHCI drivers. MFC after: 2 weeks Modified: head/usr.sbin/bhyve/pci_virtio_block.c Modified: head/usr.sbin/bhyve/pci_virtio_block.c ============================================================================== --- head/usr.sbin/bhyve/pci_virtio_block.c Sun Mar 15 17:39:38 2015 (r280043) +++ head/usr.sbin/bhyve/pci_virtio_block.c Sun Mar 15 17:45:16 2015 (r280044) @@ -263,7 +263,9 @@ pci_vtblk_proc(struct pci_vtblk_softc *s break; case VBH_OP_IDENT: /* Assume a single buffer */ - strlcpy(iov[1].iov_base, sc->vbsc_ident, + /* S/n equal to buffer is not zero-terminated. */ + memset(iov[1].iov_base, 0, iov[1].iov_len); + strncpy(iov[1].iov_base, sc->vbsc_ident, MIN(iov[1].iov_len, sizeof(sc->vbsc_ident))); pci_vtblk_done(&io->io_req, 0); return;
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