last executing test programs: 976.924439ms ago: executing program 2: epoll_wait(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) 973.26874ms ago: executing program 0: nanosleep(&(0x7f0000000000), 0x0) 965.812672ms ago: executing program 3: socket(0x1e, 0x2, 0x0) 955.966315ms ago: executing program 4: socket$bt_bnep(0x1f, 0x3, 0x4) 949.964777ms ago: executing program 2: socket$key(0xf, 0x3, 0x2) 942.587401ms ago: executing program 0: socket$pptp(0x18, 0x1, 0x2) 934.837385ms ago: executing program 1: socket$inet_smc(0x2b, 0x1, 0x0) 922.775915ms ago: executing program 3: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 911.911173ms ago: executing program 2: vmsplice(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) 905.500059ms ago: executing program 4: socket$nl_netfilter(0x10, 0x3, 0xc) 901.231553ms ago: executing program 1: socket$vsock_dgram(0x28, 0x2, 0x0) 888.373601ms ago: executing program 0: socket$inet_sctp(0x2, 0x1, 0x84) 887.526165ms ago: executing program 3: socket$inet_mptcp(0x2, 0x1, 0x106) 886.800203ms ago: executing program 4: syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) 882.057856ms ago: executing program 2: socket$isdn(0x22, 0x3, 0x0) 865.767911ms ago: executing program 3: socket$inet_udp(0x2, 0x2, 0x0) 864.076917ms ago: executing program 1: pread64(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) 853.117176ms ago: executing program 0: getgid() 850.39927ms ago: executing program 2: gettid() 844.308406ms ago: executing program 4: pwritev(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, 0x0) 840.005838ms ago: executing program 1: socket$inet_tcp(0x2, 0x1, 0x0) 833.107409ms ago: executing program 3: socket$caif_seqpacket(0x25, 0x5, 0x0) 821.624215ms ago: executing program 1: socket$nl_rdma(0x10, 0x3, 0x14) 817.569032ms ago: executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 815.623425ms ago: executing program 0: socket$rxrpc(0x21, 0x2, 0x0) 803.220551ms ago: executing program 4: socket$inet6_udp(0xa, 0x2, 0x0) 792.648209ms ago: executing program 1: socket$inet6_udplite(0xa, 0x2, 0x88) 787.474858ms ago: executing program 0: syz_init_net_socket$netrom(0x6, 0x5, 0x0) 156.185498ms ago: executing program 3: 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) 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 '10.128.0.124' (ED25519) to the list of known hosts. 2024/06/17 21:32:13 fuzzer started 2024/06/17 21:32:13 dialing manager at 10.128.0.169:30019 [ 56.231362][ T5091] cgroup: Unknown subsys name 'net' [ 56.444982][ T5091] cgroup: Unknown subsys name 'rlimit' 2024/06/17 21:32:15 starting 5 executor processes [ 57.602415][ T5114] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 58.561062][ T5187] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 59.139130][ T5266] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 59.990927][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.018728][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.066048][ T11] [ 60.068875][ T11] ============================= [ 60.073751][ T11] WARNING: suspicious RCU usage [ 60.078841][ T11] 6.10.0-rc3-syzkaller-00696-g4314175af496 #0 Not tainted [ 60.086078][ T11] ----------------------------- [ 60.091227][ T11] net/netfilter/ipset/ip_set_core.c:1200 suspicious rcu_dereference_protected() usage! [ 60.101025][ T11] [ 60.101025][ T11] other info that might help us debug this: [ 60.101025][ T11] [ 60.111349][ T11] [ 60.111349][ T11] rcu_scheduler_active = 2, debug_locks = 1 [ 60.119544][ T11] 3 locks held by kworker/u8:0/11: [ 60.124695][ T11] #0: ffff888015edd948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 60.135925][ T11] #1: ffffc90000107d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 60.146657][ T11] #2: ffffffff8f5db650 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 [ 60.156148][ T11] [ 60.156148][ T11] stack backtrace: 2024/06/17 21:32:17 SYZFATAL: failed to recv *flatrpc.HostMessageRaw: EOF [ 60.162231][ T11] CPU: 0 PID: 11 Comm: kworker/u8:0 Not tainted 6.10.0-rc3-syzkaller-00696-g4314175af496 #0 [ 60.172416][ T11] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 60.182594][ T11] Workqueue: netns cleanup_net [ 60.187404][ T11] Call Trace: [ 60.190707][ T11] [ 60.193664][ T11] dump_stack_lvl+0x241/0x360 [ 60.198370][ T11] ? __pfx_dump_stack_lvl+0x10/0x10 [ 60.203571][ T11] ? __pfx__printk+0x10/0x10 [ 60.208247][ T11] lockdep_rcu_suspicious+0x221/0x340 [ 60.213614][ T11] _destroy_all_sets+0x232/0x5f0 [ 60.218560][ T11] ip_set_net_exit+0x20/0x50 [ 60.223236][ T11] cleanup_net+0x802/0xcc0 [ 60.227662][ T11] ? __pfx_cleanup_net+0x10/0x10 [ 60.232614][ T11] ? process_scheduled_works+0x945/0x1830 [ 60.238320][ T11] process_scheduled_works+0xa2c/0x1830 [ 60.243876][ T11] ? __pfx_process_scheduled_works+0x10/0x10 [ 60.249857][ T11] ? assign_work+0x364/0x3d0 [ 60.254455][ T11] worker_thread+0x86d/0xd70 [ 60.259049][ T11] ? __kthread_parkme+0x169/0x1d0 [ 60.264064][ T11] ? __pfx_worker_thread+0x10/0x10 [ 60.269165][ T11] kthread+0x2f0/0x390 [ 60.273230][ T11] ? __pfx_worker_thread+0x10/0x10 [ 60.278421][ T11] ? __pfx_kthread+0x10/0x10 [ 60.283024][ T11] ret_from_fork+0x4b/0x80 [ 60.287436][ T11] ? __pfx_kthread+0x10/0x10 [ 60.292020][ T11] ret_from_fork_asm+0x1a/0x30 [ 60.296792][ T11] [ 60.328845][ T11] [ 60.331237][ T11] ============================= [ 60.336109][ T11] WARNING: suspicious RCU usage [ 60.341220][ T11] 6.10.0-rc3-syzkaller-00696-g4314175af496 #0 Not tainted [ 60.348400][ T11] ----------------------------- [ 60.353259][ T11] net/netfilter/ipset/ip_set_core.c:1211 suspicious rcu_dereference_protected() usage! [ 60.363057][ T11] [ 60.363057][ T11] other info that might help us debug this: [ 60.363057][ T11] [ 60.373473][ T11] [ 60.373473][ T11] rcu_scheduler_active = 2, debug_locks = 1 [ 60.381624][ T11] 3 locks held by kworker/u8:0/11: [ 60.386820][ T11] #0: ffff888015edd948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 60.397820][ T11] #1: ffffc90000107d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 60.408489][ T11] #2: ffffffff8f5db650 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 [ 60.418191][ T11] [ 60.418191][ T11] stack backtrace: [ 60.424200][ T11] CPU: 0 PID: 11 Comm: kworker/u8:0 Not tainted 6.10.0-rc3-syzkaller-00696-g4314175af496 #0 [ 60.434553][ T11] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 60.444632][ T11] Workqueue: netns cleanup_net [ 60.449440][ T11] Call Trace: [ 60.452735][ T11] [ 60.455686][ T11] dump_stack_lvl+0x241/0x360 [ 60.460403][ T11] ? __pfx_dump_stack_lvl+0x10/0x10 [ 60.465637][ T11] ? __pfx__printk+0x10/0x10 [ 60.470269][ T11] lockdep_rcu_suspicious+0x221/0x340 [ 60.475701][ T11] _destroy_all_sets+0x53f/0x5f0 [ 60.480689][ T11] ip_set_net_exit+0x20/0x50 [ 60.485313][ T11] cleanup_net+0x802/0xcc0 [ 60.489779][ T11] ? __pfx_cleanup_net+0x10/0x10 [ 60.494746][ T11] ? process_scheduled_works+0x945/0x1830 [ 60.500513][ T11] process_scheduled_works+0xa2c/0x1830 [ 60.506126][ T11] ? __pfx_process_scheduled_works+0x10/0x10 [ 60.512243][ T11] ? assign_work+0x364/0x3d0 [ 60.516874][ T11] worker_thread+0x86d/0xd70 [ 60.521502][ T11] ? __kthread_parkme+0x169/0x1d0 [ 60.526550][ T11] ? __pfx_worker_thread+0x10/0x10 [ 60.531681][ T11] kthread+0x2f0/0x390 [ 60.535859][ T11] ? __pfx_worker_thread+0x10/0x10 [ 60.541028][ T11] ? __pfx_kthread+0x10/0x10 [ 60.546007][ T11] ret_from_fork+0x4b/0x80 [ 60.550551][ T11] ? __pfx_kthread+0x10/0x10 [ 60.555185][ T11] ret_from_fork_asm+0x1a/0x30 [ 60.560016][ T11]