On 4 March 2016 at 15:18, William Tu <u9012...@gmail.com> wrote: > It is possible for ofpbuf_put() to realloc a newly allocated address, > casuing the previously referenced pointer, ogds, points to old/free'd > address. The issue is generated by forcing ofpbuf_put() to use newly > allocated buffer and valgrind reports invalid write. The similiar syndrome > is reported at: https://patchwork.ozlabs.org/patch/591330/ > > Invalid write of size 2 > ofputil_append_ofp15_group_desc_reply (ofp-util.c:8367) > ofputil_append_group_desc_reply (ofp-util.c:8392) > append_group_desc (ofproto.c:6262) > handle_group_request (ofproto.c:6230) > handle_group_desc_stats_request (ofproto.c:6269) > handle_openflow__ (ofproto.c:7337) > handle_openflow (ofproto.c:7403) > ofconn_run (connmgr.c:1379) > connmgr_run (connmgr.c:323) > ofproto_run (ofproto.c:1762) > bridge_run__ (bridge.c:2885) > bridge_run (bridge.c:2940) > main (ovs-vswitchd.c:120) > > Address 0x7cb1020 is 144 bytes inside a block of size 1,144 free'd > free (vg_replace_malloc.c:530) > ofpbuf_resize__ (ofpbuf.c:246) > ofpbuf_put (ofpbuf.c:386) > nx_put_header__ (nx-match.c:1241) > nxm_put__ (nx-match.c:697) > oxm_put_field_array (nx-match.c:1226) > ofputil_put_group_prop_ntr_selection_method (ofp-util.c:8305) > ofputil_append_ofp15_group_desc_reply (ofp-util.c:8364) > ofputil_append_group_desc_reply (ofp-util.c:8392) > append_group_desc (ofproto.c:6262) > > Signed-off-by: William Tu <u9012...@gmail.com>
Thanks, applied to master, branch-2.5 and branch-2.4. _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
