Re: [libvirt] [PATCH 01/11] qemu: process: report useful error if alias formatting fails

When retrieving the paths for PTY devices the alias gets formatted into a static string. If it doesn't fit we wouldn't report an error. --- src/qemu/qemu_process.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c index 7518138..e58a46d 100644 --- a/src/qemu/qemu_process.c +++ b/src/qemu/qemu_process.c @@ -1878,8 +1878,12 @@ qemuProcessLookupPTYs(virDomainDefPtr def, if (snprintf(id, sizeof(id), "%s%s", chardevfmt ? "char" : "", - chr->info.alias) >= sizeof(id)) + chr->info.alias) >= sizeof(id)) { + virReportError(VIR_ERR_INTERNAL_ERROR, "%s", + _("failed to format device alias " + "for PTY retrieval")); return -1; + } path = (const char *) virHashLookup(paths, id); if (path == NULL) {