last executing test programs:
220.034844ms ago: executing program 3:
syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
185.806884ms ago: executing program 3:
socket$nl_crypto(0x10, 0x3, 0x15)
179.732004ms ago: executing program 1:
socket$vsock_stream(0x28, 0x1, 0x0)
174.080482ms ago: executing program 2:
socket$inet6_dccp(0xa, 0x6, 0x0)
164.042396ms ago: executing program 0:
preadv(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, 0x0)
163.313425ms ago: executing program 4:
socket$isdn(0x22, 0x3, 0x0)
139.129115ms ago: executing program 2:
socket$inet6_udp(0xa, 0x2, 0x0)
138.271183ms ago: executing program 3:
socket$igmp6(0xa, 0x3, 0x2)
137.840761ms ago: executing program 0:
epoll_wait(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0)
132.043157ms ago: executing program 1:
socket(0x1e, 0x2, 0x0)
114.709866ms ago: executing program 3:
socket$l2tp6(0xa, 0x2, 0x73)
113.889229ms ago: executing program 4:
socket$unix(0x1, 0x1, 0x0)
112.574001ms ago: executing program 2:
socket$isdn_base(0x22, 0x3, 0x0)
105.088542ms ago: executing program 1:
socket$inet_mptcp(0x2, 0x1, 0x106)
93.087774ms ago: executing program 0:
listen(0xffffffffffffffff, 0x0)
86.694774ms ago: executing program 4:
socket$bt_hidp(0x1f, 0x3, 0x6)
84.694046ms ago: executing program 2:
socket$inet6_tcp(0xa, 0x1, 0x0)
74.359263ms ago: executing program 1:
socket$bt_rfcomm(0x1f, 0x1, 0x3)
72.00517ms ago: executing program 0:
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
67.144177ms ago: executing program 4:
pipe(&(0x7f0000000000))
57.636827ms ago: executing program 3:
socket$inet_icmp(0x2, 0x2, 0x1)
54.498156ms ago: executing program 1:
epoll_create1(0x0)
48.582911ms ago: executing program 2:
syz_init_net_socket$x25(0x9, 0x5, 0x0)
38.169111ms ago: executing program 0:
syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
28.690971ms ago: executing program 4:
select(0x0, &(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000))
20.792409ms ago: executing program 2:
socket$rds(0x15, 0x5, 0x0)
12.063216ms ago: executing program 0:
socket$nl_audit(0x10, 0x3, 0x9)
6.43768ms ago: executing program 3:
socket$rxrpc(0x21, 0x2, 0x0)
1.922667ms ago: executing program 4:
syz_init_net_socket$nfc_raw(0x27, 0x3, 0x0)
0s ago: executing program 1:
socket$tipc(0x1e, 0x2, 0x0)
kernel console output (not intermixed with test programs):
Warning: Permanently added '10.128.0.121' (ED25519) to the list of known hosts.
2024/06/13 21:46:55 fuzzer started
2024/06/13 21:46:55 dialing manager at 10.128.0.169:30017
[ 53.052544][ T5088] cgroup: Unknown subsys name 'net'
[ 53.342574][ T5088] cgroup: Unknown subsys name 'rlimit'
2024/06/13 21:46:57 starting 5 executor processes
[ 54.495018][ T5113] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 54.960055][ T5141] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list
[ 55.679587][ T5232] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list
[ 56.472832][ T35]
[ 56.475418][ T35] =============================
[ 56.480342][ T35] WARNING: suspicious RCU usage
[ 56.485345][ T35] 6.10.0-rc3-syzkaller-00099-gd20f6b3d747c #0 Not tainted
[ 56.492551][ T35] -----------------------------
[ 56.497456][ T35] net/netfilter/ipset/ip_set_core.c:1200 suspicious rcu_dereference_protected() usage!
[ 56.507171][ T35]
[ 56.507171][ T35] other info that might help us debug this:
[ 56.507171][ T35]
[ 56.517465][ T35]
[ 56.517465][ T35] rcu_scheduler_active = 2, debug_locks = 1
[ 56.525621][ T35] 3 locks held by kworker/u8:2/35:
[ 56.530832][ T35] #0: ffff888015ed5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 56.542134][ T35] #1: ffffc90000ab7d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 56.552819][ T35] #2: ffffffff8f5db250 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0
[ 56.562341][ T35]
[ 56.562341][ T35] stack backtrace:
2024/06/13 21:46:59 SYZFATAL: failed to recv *flatrpc.HostMessageRaw: EOF
[ 56.568416][ T35] CPU: 1 PID: 35 Comm: kworker/u8:2 Not tainted 6.10.0-rc3-syzkaller-00099-gd20f6b3d747c #0
[ 56.578509][ T35] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 56.588587][ T35] Workqueue: netns cleanup_net
[ 56.593402][ T35] Call Trace:
[ 56.596707][ T35]
[ 56.599746][ T35] dump_stack_lvl+0x241/0x360
[ 56.604454][ T35] ? __pfx_dump_stack_lvl+0x10/0x10
[ 56.609682][ T35] ? __pfx__printk+0x10/0x10
[ 56.614314][ T35] lockdep_rcu_suspicious+0x221/0x340
[ 56.619774][ T35] _destroy_all_sets+0x232/0x5f0
[ 56.624744][ T35] ip_set_net_exit+0x20/0x50
[ 56.629351][ T35] cleanup_net+0x802/0xcc0
[ 56.633880][ T35] ? __pfx_cleanup_net+0x10/0x10
[ 56.638946][ T35] ? process_scheduled_works+0x945/0x1830
[ 56.644687][ T35] process_scheduled_works+0xa2c/0x1830
[ 56.650253][ T35] ? __pfx_process_scheduled_works+0x10/0x10
[ 56.656238][ T35] ? assign_work+0x364/0x3d0
[ 56.660822][ T35] worker_thread+0x86d/0xd70
[ 56.665418][ T35] ? __kthread_parkme+0x169/0x1d0
[ 56.670438][ T35] ? __pfx_worker_thread+0x10/0x10
[ 56.675564][ T35] kthread+0x2f0/0x390
[ 56.679645][ T35] ? __pfx_worker_thread+0x10/0x10
[ 56.684749][ T35] ? __pfx_kthread+0x10/0x10
[ 56.689334][ T35] ret_from_fork+0x4b/0x80
[ 56.693753][ T35] ? __pfx_kthread+0x10/0x10
[ 56.698354][ T35] ret_from_fork_asm+0x1a/0x30
[ 56.703178][ T35]
[ 56.712110][ T35]
[ 56.714562][ T35] =============================
[ 56.719433][ T35] WARNING: suspicious RCU usage
[ 56.724522][ T35] 6.10.0-rc3-syzkaller-00099-gd20f6b3d747c #0 Not tainted
[ 56.731658][ T35] -----------------------------
[ 56.736563][ T35] net/netfilter/ipset/ip_set_core.c:1211 suspicious rcu_dereference_protected() usage!
[ 56.746323][ T35]
[ 56.746323][ T35] other info that might help us debug this:
[ 56.746323][ T35]
[ 56.756634][ T35]
[ 56.756634][ T35] rcu_scheduler_active = 2, debug_locks = 1
[ 56.764873][ T35] 3 locks held by kworker/u8:2/35:
[ 56.770006][ T35] #0: ffff888015ed5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 56.781007][ T35] #1: ffffc90000ab7d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 56.791737][ T35] #2: ffffffff8f5db250 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0
[ 56.801265][ T35]
[ 56.801265][ T35] stack backtrace:
[ 56.807268][ T35] CPU: 1 PID: 35 Comm: kworker/u8:2 Not tainted 6.10.0-rc3-syzkaller-00099-gd20f6b3d747c #0
[ 56.817440][ T35] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 56.827691][ T35] Workqueue: netns cleanup_net
[ 56.832482][ T35] Call Trace:
[ 56.835769][ T35]
[ 56.838719][ T35] dump_stack_lvl+0x241/0x360
[ 56.843414][ T35] ? __pfx_dump_stack_lvl+0x10/0x10
[ 56.848625][ T35] ? __pfx__printk+0x10/0x10
[ 56.853244][ T35] lockdep_rcu_suspicious+0x221/0x340
[ 56.858642][ T35] _destroy_all_sets+0x53f/0x5f0
[ 56.863685][ T35] ip_set_net_exit+0x20/0x50
[ 56.868287][ T35] cleanup_net+0x802/0xcc0
[ 56.872728][ T35] ? __pfx_cleanup_net+0x10/0x10
[ 56.877702][ T35] ? process_scheduled_works+0x945/0x1830
[ 56.883435][ T35] process_scheduled_works+0xa2c/0x1830
[ 56.889015][ T35] ? __pfx_process_scheduled_works+0x10/0x10
[ 56.895001][ T35] ? assign_work+0x364/0x3d0
[ 56.899597][ T35] worker_thread+0x86d/0xd70
[ 56.904196][ T35] ? __kthread_parkme+0x169/0x1d0
[ 56.909218][ T35] ? __pfx_worker_thread+0x10/0x10
[ 56.914325][ T35] kthread+0x2f0/0x390
[ 56.918752][ T35] ? __pfx_worker_thread+0x10/0x10
[ 56.923853][ T35] ? __pfx_kthread+0x10/0x10
[ 56.928522][ T35] ret_from_fork+0x4b/0x80
[ 56.932931][ T35] ? __pfx_kthread+0x10/0x10
[ 56.937514][ T35] ret_from_fork_asm+0x1a/0x30
[ 56.942285][ T35]