linux-next/net/sunrpc/netns.h
Chuck Lever 2172e84ea0 SUNRPC: Fix occasional warning when destroying gss_krb5_enctypes
I'm guessing that the warning fired because there's some code path
that is called on module unload where the gss_krb5_enctypes file
was never set up.

name 'gss_krb5_enctypes'
WARNING: CPU: 0 PID: 6187 at fs/proc/generic.c:712 remove_proc_entry+0x38d/0x460 fs/proc/generic.c:712

destroy_krb5_enctypes_proc_entry net/sunrpc/auth_gss/svcauth_gss.c:1543 [inline]
gss_svc_shutdown_net+0x7d/0x2b0 net/sunrpc/auth_gss/svcauth_gss.c:2120
ops_exit_list+0xb0/0x170 net/core/net_namespace.c:169
setup_net+0x9bd/0xe60 net/core/net_namespace.c:356
copy_net_ns+0x320/0x6b0 net/core/net_namespace.c:483
create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110
copy_namespaces+0x410/0x500 kernel/nsproxy.c:179
copy_process+0x311d/0x76b0 kernel/fork.c:2272
kernel_clone+0xeb/0x9a0 kernel/fork.c:2684
__do_sys_clone+0xba/0x100 kernel/fork.c:2825
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd

Reported-by: syzbot+04a8437497bcfb4afa95@syzkaller.appspotmail.com
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2023-02-20 09:20:57 -05:00

45 lines
1019 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __SUNRPC_NETNS_H__
#define __SUNRPC_NETNS_H__
#include <net/net_namespace.h>
#include <net/netns/generic.h>
struct cache_detail;
struct sunrpc_net {
struct proc_dir_entry *proc_net_rpc;
struct cache_detail *ip_map_cache;
struct cache_detail *unix_gid_cache;
struct cache_detail *rsc_cache;
struct cache_detail *rsi_cache;
struct super_block *pipefs_sb;
struct rpc_pipe *gssd_dummy;
struct mutex pipefs_sb_lock;
struct list_head all_clients;
spinlock_t rpc_client_lock;
struct rpc_clnt *rpcb_local_clnt;
struct rpc_clnt *rpcb_local_clnt4;
spinlock_t rpcb_clnt_lock;
unsigned int rpcb_users;
unsigned int rpcb_is_af_local : 1;
struct mutex gssp_lock;
struct rpc_clnt *gssp_clnt;
int use_gss_proxy;
int pipe_version;
atomic_t pipe_users;
struct proc_dir_entry *use_gssp_proc;
struct proc_dir_entry *gss_krb5_enctypes;
};
extern unsigned int sunrpc_net_id;
int ip_map_cache_create(struct net *);
void ip_map_cache_destroy(struct net *);
#endif