Chain renaming (TC_RENAME_CHAIN) can result in an unsorted chain list. That breaks the requirement of the binary search done in iptcc_bsearch_chain_index(). Signed-off-by: Jesper Dangaard Brouer <hawk@xxxxxxx> --- libiptc/libiptc.c | 9 ++++++++- 1 files changed, 8 insertions(+), 1 deletions(-) diff --git a/libiptc/libiptc.c b/libiptc/libiptc.c index 544a5b2..86cfab4 100644 --- a/libiptc/libiptc.c +++ b/libiptc/libiptc.c @@ -2404,8 +2404,15 @@ int TC_RENAME_CHAIN(const IPT_CHAINLABEL oldname, return 0; } + /* This only unlinks "c" from the list, thus no free(c) */ + iptcc_chain_index_delete_chain(c, handle); + + /* Change the name of the chain */ strncpy(c->name, newname, sizeof(IPT_CHAINLABEL)); - + + /* Insert sorted into to list again */ + iptc_insert_chain(handle, c); + set_changed(handle); return 1; -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html