From: Luiz Capitulino <lcapitul...@redhat.com> We should use 'dinfo->serial' length, 'serial' is a pointer, so the serial number length is currently limited to the pointer size.
This fixes https://bugs.launchpad.net/qemu/+bug/584143 and is also valid for stable. Signed-off-by: Luiz Capitulino <lcapitul...@redhat.com> Signed-off-by: Kevin Wolf <kw...@redhat.com> --- blockdev.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/blockdev.c b/blockdev.c index bd9783a..642ce75 100644 --- a/blockdev.c +++ b/blockdev.c @@ -422,7 +422,7 @@ DriveInfo *drive_init(QemuOpts *opts, int default_to_scsi, int *fatal_error) dinfo->on_write_error = on_write_error; dinfo->opts = opts; if (serial) - strncpy(dinfo->serial, serial, sizeof(serial)); + strncpy(dinfo->serial, serial, sizeof(dinfo->serial) - 1); QTAILQ_INSERT_TAIL(&drives, dinfo, next); switch(type) { -- 1.6.6.1