diff options
| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2021-07-22 18:14:28 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2021-07-22 18:50:27 +0200 |
| commit | 786502743fc91c8f70e6285f162c431a79cd0da1 (patch) | |
| tree | 4364afd7203cff62d3385dcc63192502c145b179 /src/parser_bison.y | |
| parent | 0f27e258b37a592233d6ad5381cd1fae65e57514 (diff) | |
parser_bison: missing initialization of ct timeout policy list
rule.c:1715:3: runtime error: member access within null pointer of type 'struct timeout_state'
AddressSanitizer:DEADLYSIGNAL
=================================================================
==29500==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x7f5bfd43c2a4 bp 0x7ffcb82f13b0 sp 0x7ffcb82f1360 T0)
==29500==The signal is caused by a READ memory access.
==29500==Hint: address points to the zero page.
#0 0x7f5bfd43c2a3 in obj_free /home/test/nftables/src/rule.c:1715
#1 0x7f5bfd43875d in cmd_free /home/test/nftables/src/rule.c:1447
#2 0x7f5bfd58e6f2 in nft_run_cmd_from_filename /home/test/nftables/src/libnftables.c:628
#3 0x5645c48762b1 in main /home/test/nftables/src/main.c:512
#4 0x7f5bfc0eb09a in __libc_start_main ../csu/libc-start.c:308
#5 0x5645c4873459 in _start (/home/test/nftables/src/.libs/nft+0x9459)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV /home/test/nftables/src/rule.c:1715 in obj_free
==29500==ABORTING
Fixes: 7a0e26723496 ("rule: memleak of list of timeout policies")
Signed-off-by: Pablo Neira Ayuso <test@netfilter.org>
Diffstat (limited to 'src/parser_bison.y')
| -rw-r--r-- | src/parser_bison.y | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/parser_bison.y b/src/parser_bison.y index 790cd832..5545a43d 100644 --- a/src/parser_bison.y +++ b/src/parser_bison.y @@ -1313,6 +1313,8 @@ delete_cmd : TABLE table_or_id_spec | CT ct_obj_type obj_spec ct_obj_alloc close_scope_ct { $$ = cmd_alloc_obj_ct(CMD_DELETE, $2, &$3, &@$, $4); + if ($2 == NFT_OBJECT_CT_TIMEOUT) + init_list_head(&$4->ct_timeout.timeout_list); } | LIMIT obj_or_id_spec close_scope_limit { |