| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.17 083/101] ipvs: initialize tbl->entries after allocation | Date | Fri, 20 Jul 2018 14:14:29 +0200 |
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4.17-stable review patch. If anyone has any objections, please let me know.
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From: Cong Wang <xiyou.wangcong@gmail.com>
commit 3aa1409a7b160f9444945c0df1cb079df82be84e upstream.
tbl->entries is not initialized after kmalloc(), therefore causes an uninit-value warning in ip_vs_lblc_check_expire() as reported by syzbot.
Reported-by: <syzbot+3dfdea57819073a04f21@syzkaller.appspotmail.com> Cc: Simon Horman <horms@verge.net.au> Cc: Julian Anastasov <ja@ssi.bg> Cc: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Acked-by: Julian Anastasov <ja@ssi.bg> Acked-by: Simon Horman <horms@verge.net.au> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- net/netfilter/ipvs/ip_vs_lblcr.c | 1 + 1 file changed, 1 insertion(+)
--- a/net/netfilter/ipvs/ip_vs_lblcr.c +++ b/net/netfilter/ipvs/ip_vs_lblcr.c @@ -534,6 +534,7 @@ static int ip_vs_lblcr_init_svc(struct i tbl->counter = 1; tbl->dead = false; tbl->svc = svc; + atomic_set(&tbl->entries, 0); /* * Hook periodic timer for garbage collection
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