Author: cem
Date: Fri Mar 16 21:10:36 2018
New Revision: 331076
URL: https://svnweb.freebsd.org/changeset/base/331076
Log:
libdtrace: Fix another uninitialized dtt_flags UB
Like r331073, eliminate a UB by fully initializing the struct with a
designated
initializer. Note that the similar src_dtt is not fully used, so a similar
treatment was not absolutely required. I chose to leave it alone. It
wouldn't hurt to do the same thing, though.
Reported by: Coverity
Sponsored by: Dell EMC Isilon
Modified:
head/cddl/contrib/opensolaris/lib/libdtrace/common/dt_xlator.c
Modified: head/cddl/contrib/opensolaris/lib/libdtrace/common/dt_xlator.c
==============================================================================
--- head/cddl/contrib/opensolaris/lib/libdtrace/common/dt_xlator.c Fri Mar
16 21:03:54 2018 (r331075)
+++ head/cddl/contrib/opensolaris/lib/libdtrace/common/dt_xlator.c Fri Mar
16 21:10:36 2018 (r331076)
@@ -343,9 +343,11 @@ out:
src_dtt.dtt_ctfp = src_ctfp;
src_dtt.dtt_type = src_type;
- dst_dtt.dtt_object = dt_module_lookup_by_ctf(dtp, dst_ctfp)->dm_name;
- dst_dtt.dtt_ctfp = dst_ctfp;
- dst_dtt.dtt_type = dst_type;
+ dst_dtt = (dtrace_typeinfo_t){
+ .dtt_object = dt_module_lookup_by_ctf(dtp, dst_ctfp)->dm_name,
+ .dtt_ctfp = dst_ctfp,
+ .dtt_type = dst_type,
+ };
return (dt_xlator_create(dtp, &src_dtt, &dst_dtt, NULL, NULL, NULL));
}
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