libguestfs: trace: v2v: read_lines "/etc/os-release" [...] libguestfs: trace: v2v: read_lines = ["NAME=Fedora", "VERSION="20 (Heisenbug)"", "ID=fedora", "VERSION_ID=20", "PRETTY_NAME="Fedora 20 (Heisenbug)"", "ANSI_COLOR="0;34"", "CPE_NAME="cpe:/o:fedoraproject:fedora:20"", "HOME_URL="https://fedoraproject.org/"", "BUG_REPORT_URL="https://bugzilla.redhat.com/"", "REDHAT_BUGZILLA_PRODUCT="Fedora"", "REDHAT_BUGZILLA_PRODUCT_VERSION=20", "REDHAT_SUPPORT_PRODUCT="Fedora"", "REDHAT_SUPPORT_PRODUCT_VERSION=20"] At this point libguestfs segfaulted. It seems as if 'major' is not used here, so don't try to free it. This fixes commit 32d19e3289bc259901f77398703f16cf6eabd510. --- src/inspect-fs-unix.c | 1 - 1 file changed, 1 deletion(-) diff --git a/src/inspect-fs-unix.c b/src/inspect-fs-unix.c index cda1b5d..3d19276 100644 --- a/src/inspect-fs-unix.c +++ b/src/inspect-fs-unix.c @@ -232,7 +232,6 @@ parse_os_release (guestfs_h *g, struct inspect_fs *fs, const char *filename) char buf[value_len + 1]; snprintf (buf, sizeof buf, "%*s", (int) value_len, value); major_version = guestfs_int_parse_unsigned_int (g, buf); - free (major); /* Handle cases where VERSION_ID is not a number. */ if (major_version != -1) minor_version = 0;