On Fri, Jul 25, 2025 at 05:46:30AM -0700, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: 94619ea2d933 Merge tag 'ipsec-next-2025-07-23' of git://gi.. > git tree: net-next > console+strace: https://syzkaller.appspot.com/x/log.txt?x=14bf10a2580000 > kernel config: https://syzkaller.appspot.com/x/.config?x=ceda48240b85ec34 > dashboard link: https://syzkaller.appspot.com/bug?extid=a225fea35d7baf8dbdc3 > compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12bf10a2580000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13d27fd4580000 > > Downloadable assets: > disk image: https://storage.googleapis.com/syzbot-assets/afd64d9816ee/disk-94619ea2.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/e1755ce1f83b/vmlinux-94619ea2.xz > kernel image: https://storage.googleapis.com/syzbot-assets/2061dff2fbf4/bzImage-94619ea2.xz > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+a225fea35d7baf8dbdc3@xxxxxxxxxxxxxxxxxxxxxxxxx Attached patch should fix this.
diff --git a/net/netfilter/nft_socket.c b/net/netfilter/nft_socket.c index 35d0409b0095..36affbb697c2 100644 --- a/net/netfilter/nft_socket.c +++ b/net/netfilter/nft_socket.c @@ -217,7 +217,7 @@ static int nft_socket_init(const struct nft_ctx *ctx, level += err; /* Implies a giant cgroup tree */ - if (WARN_ON_ONCE(level > 255)) + if (level > 255) return -EOPNOTSUPP; priv->level = level;
