diff options
Diffstat (limited to 'usr/src/lib/libdtrace/common/dt_module.c')
| -rw-r--r-- | usr/src/lib/libdtrace/common/dt_module.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/usr/src/lib/libdtrace/common/dt_module.c b/usr/src/lib/libdtrace/common/dt_module.c index 1490f775c3..c74fb527a0 100644 --- a/usr/src/lib/libdtrace/common/dt_module.c +++ b/usr/src/lib/libdtrace/common/dt_module.c @@ -646,6 +646,17 @@ dt_module_getctf(dtrace_hdl_t *dtp, dt_module_t *dmp) goto err; } + /* + * If the label we claim the parent must have does not match + * its actual topmost label (XXX: Should check all?), ignore + * the CTF entirely rather than acquiring possibly bad type + * references. + */ + if (strcmp(ctf_label_topmost(pfp), ctf_parent_label(dmp->dm_ctfp)) != 0) { + (void) dt_set_errno(dtp, EDT_NOCTF); + goto err; + } + if (ctf_import(dmp->dm_ctfp, pfp) == CTF_ERR) { dtp->dt_ctferr = ctf_errno(dmp->dm_ctfp); (void) dt_set_errno(dtp, EDT_CTF); |