Hi Pablo,
[auto build test results on next-20151001 -- if it's inappropriate base, please ignore]
config: m68k-sun3_defconfig (attached as .config)
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 31ae4524f70d7992a3f918bab674e2fe8588edfa
# save the attached .config to linux build tree
make.cross ARCH=m68k
Note: it may well be a FALSE warning. FWIW you are at least aware of it now.
http://gcc.gnu.org/wiki/Better_Uninitialized_Warnings
All warnings (new ones prefixed by >>):
net/netfilter/nfnetlink_queue.c: In function '__nfqnl_enqueue_packet':
>> net/netfilter/nfnetlink_queue.c:518:18: warning: 'nfq_ct' may be used uninitialized in this function [-Wmaybe-uninitialized]
if (ct && nfq_ct->build(skb, ct, ctinfo, NFQA_CT, NFQA_CT_INFO) < 0)
^
net/netfilter/nfnetlink_queue.c:316:22: note: 'nfq_ct' was declared here
struct nfq_ct_hook *nfq_ct;
^
vim +/nfq_ct +518 net/netfilter/nfnetlink_queue.c
7af4cc3f net/netfilter/nfnetlink_queue.c Harald Welte 2005-08-09 502 struct nfqnl_msg_packet_timestamp ts;
b7aa0bf7 net/netfilter/nfnetlink_queue.c Eric Dumazet 2007-04-19 503 struct timeval tv = ktime_to_timeval(entskb->tstamp);
b7aa0bf7 net/netfilter/nfnetlink_queue.c Eric Dumazet 2007-04-19 504 ts.sec = cpu_to_be64(tv.tv_sec);
b7aa0bf7 net/netfilter/nfnetlink_queue.c Eric Dumazet 2007-04-19 505 ts.usec = cpu_to_be64(tv.tv_usec);
7af4cc3f net/netfilter/nfnetlink_queue.c Harald Welte 2005-08-09 506
a447189e net/netfilter/nfnetlink_queue.c David S. Miller 2012-03-29 507 if (nla_put(skb, NFQA_TIMESTAMP, sizeof(ts), &ts))
a447189e net/netfilter/nfnetlink_queue.c David S. Miller 2012-03-29 508 goto nla_put_failure;
7af4cc3f net/netfilter/nfnetlink_queue.c Harald Welte 2005-08-09 509 }
7af4cc3f net/netfilter/nfnetlink_queue.c Harald Welte 2005-08-09 510
08c0cad6 net/netfilter/nfnetlink_queue_core.c Valentina Giusti 2013-12-20 511 if ((queue->flags & NFQA_CFG_F_UID_GID) && entskb->sk &&
08c0cad6 net/netfilter/nfnetlink_queue_core.c Valentina Giusti 2013-12-20 512 nfqnl_put_sk_uidgid(skb, entskb->sk) < 0)
08c0cad6 net/netfilter/nfnetlink_queue_core.c Valentina Giusti 2013-12-20 513 goto nla_put_failure;
08c0cad6 net/netfilter/nfnetlink_queue_core.c Valentina Giusti 2013-12-20 514
ef493bd9 net/netfilter/nfnetlink_queue_core.c Roman Kubiak 2015-06-12 515 if (seclen && nla_put(skb, NFQA_SECCTX, seclen, secdata))
ef493bd9 net/netfilter/nfnetlink_queue_core.c Roman Kubiak 2015-06-12 516 goto nla_put_failure;
ef493bd9 net/netfilter/nfnetlink_queue_core.c Roman Kubiak 2015-06-12 517
d343eb79 net/netfilter/nfnetlink_queue_core.c Pablo Neira Ayuso 2015-10-01 @518 if (ct && nfq_ct->build(skb, ct, ctinfo, NFQA_CT, NFQA_CT_INFO) < 0)
ae08ce00 net/netfilter/nfnetlink_queue_core.c Eric Dumazet 2013-03-17 519 goto nla_put_failure;
ae08ce00 net/netfilter/nfnetlink_queue_core.c Eric Dumazet 2013-03-17 520
7f87712c net/netfilter/nfnetlink_queue_core.c Florian Westphal 2013-06-04 521 if (cap_len > data_len &&
7f87712c net/netfilter/nfnetlink_queue_core.c Florian Westphal 2013-06-04 522 nla_put_be32(skb, NFQA_CAP_LEN, htonl(cap_len)))
ae08ce00 net/netfilter/nfnetlink_queue_core.c Eric Dumazet 2013-03-17 523 goto nla_put_failure;
ae08ce00 net/netfilter/nfnetlink_queue_core.c Eric Dumazet 2013-03-17 524
496e4ae7 net/netfilter/nfnetlink_queue_core.c Florian Westphal 2013-06-29 525 if (nfqnl_put_packet_info(skb, entskb, csum_verify))
7237190d net/netfilter/nfnetlink_queue_core.c Florian Westphal 2013-04-19 526 goto nla_put_failure;
:::::: The code at line 518 was first introduced by commit
:::::: d343eb794f25c72b22631ffc19be0d15fc7f607c netfilter: nfnetlink_queue: get rid of nfnetlink_queue_ct.c
:::::: TO: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
:::::: CC: 0day robot <fengguang.wu@xxxxxxxxx>
---
0-DAY kernel test infrastructure Open Source Technology Center
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