libnftables: use-after-free in exit path

==29699== Invalid read of size 8
==29699==    at 0x507E140: ct_label_table_exit (ct.c:239)
==29699==    by 0x5091877: nft_exit (libnftables.c:97)
==29699==    by 0x5091877: nft_ctx_free (libnftables.c:297)
[...]
==29699==  Address 0xb251008 is 136 bytes inside a block of size 352 free'd
==29699==    at 0x4C2CDDB: free (vg_replace_malloc.c:530)
==29699==    by 0x509186F: nft_ctx_free (libnftables.c:296)
[...]
==29699==  Block was alloc'd at
==29699==    at 0x4C2DBC5: calloc (vg_replace_malloc.c:711)
==29699==    by 0x508C51D: xmalloc (utils.c:36)
==29699==    by 0x508C51D: xzalloc (utils.c:65)
==29699==    by 0x50916BE: nft_ctx_new (libnftables.c:151)
[...]

Release symbol tables before context object.

Fixes: 45cb29a2ada4 ("src: remove global symbol_table")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

0 files changed, 0 insertions, 0 deletions