last executing test programs:
942.428933ms ago: executing program 0:
socket$bt_cmtp(0x1f, 0x3, 0x5)
915.655541ms ago: executing program 0:
epoll_pwait(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, &(0x7f0000000000), 0x0)
911.75641ms ago: executing program 3:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ppp', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ppp', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ppp', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ppp', 0x800, 0x0)
897.940421ms ago: executing program 2:
socket$rxrpc(0x21, 0x2, 0x0)
885.518771ms ago: executing program 3:
socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
872.782022ms ago: executing program 2:
pread64(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0)
869.971137ms ago: executing program 1:
socket$inet_mptcp(0x2, 0x1, 0x106)
863.792525ms ago: executing program 0:
socket$inet_udplite(0x2, 0x2, 0x88)
857.510498ms ago: executing program 4:
socket$can_j1939(0x1d, 0x2, 0x7)
856.472991ms ago: executing program 3:
clock_gettime(0x0, &(0x7f0000000000))
837.87974ms ago: executing program 1:
socket$pppl2tp(0x18, 0x1, 0x1)
836.967493ms ago: executing program 4:
unshare(0x0)
836.243842ms ago: executing program 2:
socket$inet_dccp(0x2, 0x6, 0x0)
822.818416ms ago: executing program 3:
syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
810.875165ms ago: executing program 1:
socket$unix(0x1, 0x1, 0x0)
806.180901ms ago: executing program 2:
syz_init_net_socket$nfc_raw(0x27, 0x3, 0x0)
800.37694ms ago: executing program 4:
syz_init_net_socket$nl_rdma(0x10, 0x3, 0x14)
787.436592ms ago: executing program 1:
socket$l2tp(0x2, 0x2, 0x73)
781.816744ms ago: executing program 0:
socket$inet6_sctp(0xa, 0x1, 0x84)
777.315872ms ago: executing program 3:
socket$caif_stream(0x25, 0x1, 0x0)
763.532397ms ago: executing program 2:
socket$inet6_mptcp(0xa, 0x1, 0x106)
762.849733ms ago: executing program 0:
socket$inet6_tcp(0xa, 0x1, 0x0)
757.853155ms ago: executing program 1:
syz_init_net_socket$x25(0x9, 0x5, 0x0)
755.708666ms ago: executing program 4:
socket$inet(0x2, 0x1, 0x0)
739.847324ms ago: executing program 0:
socket$isdn_base(0x22, 0x3, 0x0)
736.751304ms ago: executing program 1:
socket$hf(0x13, 0x2, 0x0)
729.600802ms ago: executing program 4:
socket$isdn(0x22, 0x3, 0x0)
721.283309ms ago: executing program 2:
syz_init_net_socket$netrom(0x6, 0x5, 0x0)
716.940416ms ago: executing program 3:
pwritev(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, 0x0)
0s ago: executing program 4:
mmap(&(0x7efffffff000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0x1000000)=nil, 0x1000000, 0x7, 0x32, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0001000000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0)
kernel console output (not intermixed with test programs):
Warning: Permanently added '10.128.1.219' (ED25519) to the list of known hosts.
2024/06/20 01:00:31 fuzzer started
2024/06/20 01:00:31 dialing manager at 10.128.0.169:30017
[ 54.665496][ T5095] cgroup: Unknown subsys name 'net'
[ 54.835706][ T5095] cgroup: Unknown subsys name 'rlimit'
[ 56.024921][ T5117] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
2024/06/20 01:00:33 starting 5 executor processes
[ 56.901162][ T5187] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list
[ 57.359523][ T5249] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list
[ 58.205799][ T62]
[ 58.208683][ T62] =============================
[ 58.213563][ T62] WARNING: suspicious RCU usage
[ 58.218670][ T62] 6.10.0-rc3-syzkaller-00155-gf9ae84890428 #0 Not tainted
[ 58.225819][ T62] -----------------------------
[ 58.230736][ T62] net/netfilter/ipset/ip_set_core.c:1200 suspicious rcu_dereference_protected() usage!
[ 58.240792][ T62]
[ 58.240792][ T62] other info that might help us debug this:
[ 58.240792][ T62]
[ 58.251378][ T62]
[ 58.251378][ T62] rcu_scheduler_active = 2, debug_locks = 1
[ 58.259595][ T62] 3 locks held by kworker/u8:4/62:
[ 58.264728][ T62] #0: ffff888015ed5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 58.275860][ T62] #1: ffffc900015d7d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 58.286664][ T62] #2: ffffffff8f5d9c10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0
[ 58.296237][ T62]
[ 58.296237][ T62] stack backtrace:
2024/06/20 01:00:35 SYZFATAL: failed to recv *flatrpc.HostMessageRaw: EOF
[ 58.302560][ T62] CPU: 1 PID: 62 Comm: kworker/u8:4 Not tainted 6.10.0-rc3-syzkaller-00155-gf9ae84890428 #0
[ 58.312652][ T62] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 58.322823][ T62] Workqueue: netns cleanup_net
[ 58.327626][ T62] Call Trace:
[ 58.330924][ T62]
[ 58.333906][ T62] dump_stack_lvl+0x241/0x360
[ 58.338651][ T62] ? __pfx_dump_stack_lvl+0x10/0x10
[ 58.343944][ T62] ? __pfx__printk+0x10/0x10
[ 58.348569][ T62] lockdep_rcu_suspicious+0x221/0x340
[ 58.353942][ T62] _destroy_all_sets+0x232/0x5f0
[ 58.358975][ T62] ip_set_net_exit+0x20/0x50
[ 58.363591][ T62] cleanup_net+0x802/0xcc0
[ 58.368111][ T62] ? __pfx_cleanup_net+0x10/0x10
[ 58.373062][ T62] ? process_scheduled_works+0x945/0x1830
[ 58.378870][ T62] process_scheduled_works+0xa2c/0x1830
[ 58.384444][ T62] ? __pfx_process_scheduled_works+0x10/0x10
[ 58.390509][ T62] ? assign_work+0x364/0x3d0
[ 58.395095][ T62] worker_thread+0x86d/0xd70
[ 58.399687][ T62] ? __kthread_parkme+0x169/0x1d0
[ 58.404710][ T62] ? __pfx_worker_thread+0x10/0x10
[ 58.409831][ T62] kthread+0x2f0/0x390
[ 58.413920][ T62] ? __pfx_worker_thread+0x10/0x10
[ 58.419233][ T62] ? __pfx_kthread+0x10/0x10
[ 58.423890][ T62] ret_from_fork+0x4b/0x80
[ 58.428514][ T62] ? __pfx_kthread+0x10/0x10
[ 58.433143][ T62] ret_from_fork_asm+0x1a/0x30
[ 58.437919][ T62]
[ 58.547914][ T62]
[ 58.550289][ T62] =============================
[ 58.555379][ T62] WARNING: suspicious RCU usage
[ 58.560481][ T62] 6.10.0-rc3-syzkaller-00155-gf9ae84890428 #0 Not tainted
[ 58.567765][ T62] -----------------------------
[ 58.572637][ T62] net/netfilter/ipset/ip_set_core.c:1211 suspicious rcu_dereference_protected() usage!
[ 58.582427][ T62]
[ 58.582427][ T62] other info that might help us debug this:
[ 58.582427][ T62]
[ 58.593066][ T62]
[ 58.593066][ T62] rcu_scheduler_active = 2, debug_locks = 1
[ 58.601263][ T62] 3 locks held by kworker/u8:4/62:
[ 58.606411][ T62] #0: ffff888015ed5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 58.617444][ T62] #1: ffffc900015d7d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 58.628082][ T62] #2: ffffffff8f5d9c10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0
[ 58.637706][ T62]
[ 58.637706][ T62] stack backtrace:
[ 58.643625][ T62] CPU: 0 PID: 62 Comm: kworker/u8:4 Not tainted 6.10.0-rc3-syzkaller-00155-gf9ae84890428 #0
[ 58.653713][ T62] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 58.663769][ T62] Workqueue: netns cleanup_net
[ 58.668569][ T62] Call Trace:
[ 58.671840][ T62]
[ 58.674759][ T62] dump_stack_lvl+0x241/0x360
[ 58.679457][ T62] ? __pfx_dump_stack_lvl+0x10/0x10
[ 58.684650][ T62] ? __pfx__printk+0x10/0x10
[ 58.689353][ T62] lockdep_rcu_suspicious+0x221/0x340
[ 58.694721][ T62] _destroy_all_sets+0x53f/0x5f0
[ 58.699660][ T62] ip_set_net_exit+0x20/0x50
[ 58.704256][ T62] cleanup_net+0x802/0xcc0
[ 58.708665][ T62] ? __pfx_cleanup_net+0x10/0x10
[ 58.713690][ T62] ? process_scheduled_works+0x945/0x1830
[ 58.719419][ T62] process_scheduled_works+0xa2c/0x1830
[ 58.724985][ T62] ? __pfx_process_scheduled_works+0x10/0x10
[ 58.730962][ T62] ? assign_work+0x364/0x3d0
[ 58.735559][ T62] worker_thread+0x86d/0xd70
[ 58.740154][ T62] ? __kthread_parkme+0x169/0x1d0
[ 58.745179][ T62] ? __pfx_worker_thr