From 3fdf0a205b622e40fa7e3c4ed1e4ed4d5c6c5380 Mon Sep 17 00:00:00 2001 From: Sam James Date: Sun, 5 Jun 2022 04:57:09 +0100 Subject: nss: add assert to DB_LOOKUP_FCT (BZ #28752) It's interesting if we have a null action list, so an assert is worthwhile. Suggested-by: DJ Delorie Signed-off-by: Sam James Reviewed-by: DJ Delorie --- nss/XXX-lookup.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/nss/XXX-lookup.c b/nss/XXX-lookup.c index db95937..bfc57b8 100644 --- a/nss/XXX-lookup.c +++ b/nss/XXX-lookup.c @@ -15,6 +15,7 @@ License along with the GNU C Library; if not, see . */ +#include #include "nsswitch.h" /*******************************************************************\ @@ -54,6 +55,10 @@ DB_LOOKUP_FCT (nss_action_list *ni, const char *fct_name, const char *fct2_name, *ni = DATABASE_NAME_SYMBOL; + /* We want to know about it if we've somehow got a NULL action list; + in the past, we had bad state if seccomp interfered with setup. */ + assert(*ni != NULL); + return __nss_lookup (ni, fct_name, fct2_name, fctp); } libc_hidden_def (DB_LOOKUP_FCT) -- cgit v1.1