diff options
| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2023-09-19 18:09:31 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2023-09-20 17:52:13 +0200 |
| commit | 1b235f9962a059a599d9a9ecce477ed71e328e89 (patch) | |
| tree | 11efc9e5ae5df0f4036b7d93face11c88afafd9b /include/ct.h | |
| parent | 7360ab610164c7457b1024419ee046a4d05a6e2f (diff) | |
datatype: initialize TYPE_CT_LABEL slot in datatype array
Otherwise, ct label with concatenations such as:
table ip x {
chain y {
ct label . ct mark { 0x1 . 0x1 }
}
}
crashes:
../include/datatype.h:196:11: runtime error: member access within null pointer of type 'const struct datatype'
AddressSanitizer:DEADLYSIGNAL
=================================================================
==640948==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x7fc970d3199b bp 0x7fffd1f20560 sp 0x7fffd1f20540 T0)
==640948==The signal is caused by a READ memory access.
==640948==Hint: address points to the zero page.
sudo #0 0x7fc970d3199b in datatype_equal ../include/datatype.h:196
Fixes: 2fcce8b0677b ("ct: connlabel matching support")
Reported-by: Thomas Haller <thaller@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include/ct.h')
| -rw-r--r-- | include/ct.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/ct.h b/include/ct.h index efb2d418..aa0504c5 100644 --- a/include/ct.h +++ b/include/ct.h @@ -39,5 +39,6 @@ extern const char *ct_label2str(const struct symbol_table *tbl, extern const struct datatype ct_dir_type; extern const struct datatype ct_state_type; extern const struct datatype ct_status_type; +extern const struct datatype ct_label_type; #endif /* NFTABLES_CT_H */ |