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| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2024-11-26 13:59:06 +0300 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2024-11-28 15:14:24 +0300 |
| commit | b7529880cb961d515642ce63f9d7570869bbbdc3 (patch) | |
| tree | 79d05805b4b59b67834ece69c84b366db989814d | |
| parent | 04317f4eb2aad312ad85c1a17ad81fe75f1f9bc7 (diff) | |
| download | linux-b7529880cb961d515642ce63f9d7570869bbbdc3.tar.xz | |
netfilter: nft_socket: remove WARN_ON_ONCE on maximum cgroup level
cgroup maximum depth is INT_MAX by default, there is a cgroup toggle to
restrict this maximum depth to a more reasonable value not to harm
performance. Remove unnecessary WARN_ON_ONCE which is reachable from
userspace.
Fixes: 7f3287db6543 ("netfilter: nft_socket: make cgroupsv2 matching work with namespaces")
Reported-by: syzbot+57bac0866ddd99fe47c0@syzkaller.appspotmail.com
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
| -rw-r--r-- | net/netfilter/nft_socket.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/netfilter/nft_socket.c b/net/netfilter/nft_socket.c index f5da0c1775f2..35d0409b0095 100644 --- a/net/netfilter/nft_socket.c +++ b/net/netfilter/nft_socket.c @@ -68,7 +68,7 @@ static noinline int nft_socket_cgroup_subtree_level(void) cgroup_put(cgrp); - if (WARN_ON_ONCE(level > 255)) + if (level > 255) return -ERANGE; if (WARN_ON_ONCE(level < 0)) |