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