last executing test programs: 1.017836241s ago: executing program 3: getuid() 977.98056ms ago: executing program 3: socket$nl_sock_diag(0x10, 0x3, 0x4) 977.606268ms ago: executing program 4: ppoll(&(0x7f0000000000), 0x0, &(0x7f0000000000), &(0x7f0000000000), 0x0) 959.728963ms ago: executing program 2: select(0x0, &(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000)) 948.546698ms ago: executing program 4: socket$phonet_pipe(0x23, 0x5, 0x2) 945.796991ms ago: executing program 0: vmsplice(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) 941.918686ms ago: executing program 3: socket$bt_cmtp(0x1f, 0x3, 0x5) 928.678312ms ago: executing program 0: syz_init_net_socket$ax25(0x3, 0x2, 0x0) 926.265161ms ago: executing program 2: syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) 912.58709ms ago: executing program 3: socket$inet_tcp(0x2, 0x1, 0x0) 905.53224ms ago: executing program 4: 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) 901.513706ms ago: executing program 1: socket$phonet(0x23, 0x2, 0x1) 885.853758ms ago: executing program 0: socket$packet(0x11, 0x2, 0x300) 885.230309ms ago: executing program 2: unshare(0x0) 874.386489ms ago: executing program 3: socket$pptp(0x18, 0x1, 0x2) 872.450508ms ago: executing program 4: syz_init_net_socket$x25(0x9, 0x5, 0x0) 852.477096ms ago: executing program 0: nanosleep(&(0x7f0000000000), 0x0) 848.405585ms ago: executing program 1: socket$vsock_stream(0x28, 0x1, 0x0) 847.790326ms ago: executing program 2: socket$tipc(0x1e, 0x2, 0x0) 844.097121ms ago: executing program 4: socket$isdn_base(0x22, 0x3, 0x0) 826.070221ms ago: executing program 3: socket$inet6_udplite(0xa, 0x2, 0x88) 823.807464ms ago: executing program 1: epoll_create1(0x0) 820.765214ms ago: executing program 2: socket$inet(0x2, 0x1, 0x0) 818.367704ms ago: executing program 0: socket$unix(0x1, 0x1, 0x0) 786.595892ms ago: executing program 2: socket$inet_icmp(0x2, 0x2, 0x1) 785.805625ms ago: executing program 1: socket$inet6_udp(0xa, 0x2, 0x0) 774.243443ms ago: executing program 4: socket$inet_smc(0x2b, 0x1, 0x0) 771.967078ms ago: executing program 0: socket$inet6_mptcp(0xa, 0x1, 0x106) 761.171165ms ago: executing program 1: socket$inet_udp(0x2, 0x2, 0x0) 0s ago: executing program 1: 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 '10.128.0.182' (ED25519) to the list of known hosts. 2024/06/18 21:46:54 fuzzer started 2024/06/18 21:46:54 dialing manager at 10.128.0.169:30017 [ 56.600439][ T5092] cgroup: Unknown subsys name 'net' [ 56.850341][ T5092] cgroup: Unknown subsys name 'rlimit' 2024/06/18 21:46:56 starting 5 executor processes [ 57.982778][ T5107] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 57.995965][ T5107] syz-executor (5107) used greatest stack depth: 18832 bytes left [ 59.103333][ T5213] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 59.441634][ T5261] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 59.756229][ T5279] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.769887][ T5279] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.778356][ T5279] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.786883][ T5279] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.796548][ T5279] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.805013][ T5279] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 60.271881][ T12] [ 60.274385][ T12] ============================= [ 60.279553][ T12] WARNING: suspicious RCU usage [ 60.284578][ T12] 6.10.0-rc3-syzkaller-00140-g88c67aeb1407 #0 Not tainted [ 60.291706][ T12] ----------------------------- [ 60.296920][ T12] net/netfilter/ipset/ip_set_core.c:1200 suspicious rcu_dereference_protected() usage! [ 60.306646][ T12] [ 60.306646][ T12] other info that might help us debug this: [ 60.306646][ T12] [ 60.316983][ T12] 2024/06/18 21:46:58 SYZFATAL: failed to recv *flatrpc.HostMessageRaw: EOF [ 60.316983][ T12] rcu_scheduler_active = 2, debug_locks = 1 [ 60.325340][ T12] 3 locks held by kworker/u8:1/12: [ 60.330565][ T12] #0: ffff888015ed5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 60.341943][ T12] #1: ffffc90000117d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 60.352620][ T12] #2: ffffffff8f5db250 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 [ 60.362172][ T12] [ 60.362172][ T12] stack backtrace: [ 60.368283][ T12] CPU: 1 PID: 12 Comm: kworker/u8:1 Not tainted 6.10.0-rc3-syzkaller-00140-g88c67aeb1407 #0 [ 60.378371][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 60.388422][ T12] Workqueue: netns cleanup_net [ 60.393210][ T12] Call Trace: [ 60.396484][ T12] [ 60.399412][ T12] dump_stack_lvl+0x241/0x360 [ 60.404182][ T12] ? __pfx_dump_stack_lvl+0x10/0x10 [ 60.409409][ T12] ? __pfx__printk+0x10/0x10 [ 60.414167][ T12] lockdep_rcu_suspicious+0x221/0x340 [ 60.419603][ T12] _destroy_all_sets+0x232/0x5f0 [ 60.424583][ T12] ip_set_net_exit+0x20/0x50 [ 60.429190][ T12] cleanup_net+0x802/0xcc0 [ 60.433619][ T12] ? __pfx_cleanup_net+0x10/0x10 [ 60.438561][ T12] ? process_scheduled_works+0x945/0x1830 [ 60.444289][ T12] process_scheduled_works+0xa2c/0x1830 [ 60.449895][ T12] ? __pfx_process_scheduled_works+0x10/0x10 [ 60.455873][ T12] ? assign_work+0x364/0x3d0 [ 60.460464][ T12] worker_thread+0x86d/0xd70 [ 60.465147][ T12] ? __kthread_parkme+0x169/0x1d0 [ 60.470339][ T12] ? __pfx_worker_thread+0x10/0x10 [ 60.475647][ T12] kthread+0x2f0/0x390 [ 60.479713][ T12] ? __pfx_worker_thread+0x10/0x10 [ 60.484903][ T12] ? __pfx_kthread+0x10/0x10 [ 60.489484][ T12] ret_from_fork+0x4b/0x80 [ 60.493994][ T12] ? __pfx_kthread+0x10/0x10 [ 60.498576][ T12] ret_from_fork_asm+0x1a/0x30 [ 60.503346][ T12] [ 60.506634][ T12] [ 60.509075][ T12] ============================= [ 60.513952][ T12] WARNING: suspicious RCU usage [ 60.518999][ T12] 6.10.0-rc3-syzkaller-00140-g88c67aeb1407 #0 Not tainted [ 60.526169][ T12] ----------------------------- [ 60.531303][ T12] net/netfilter/ipset/ip_set_core.c:1211 suspicious rcu_dereference_protected() usage! [ 60.541403][ T12] [ 60.541403][ T12] other info that might help us debug this: [ 60.541403][ T12] [ 60.551790][ T12] [ 60.551790][ T12] rcu_scheduler_active = 2, debug_locks = 1 [ 60.560050][ T12] 3 locks held by kworker/u8:1/12: [ 60.565233][ T12] #0: ffff888015ed5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 60.576678][ T12] #1: ffffc90000117d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 60.587347][ T12] #2: ffffffff8f5db250 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 [ 60.596881][ T12] [ 60.596881][ T12] stack backtrace: [ 60.602790][ T12] CPU: 0 PID: 12 Comm: kworker/u8:1 Not tainted 6.10.0-rc3-syzkaller-00140-g88c67aeb1407 #0 [ 60.613318][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 60.623662][ T12] Workqueue: netns cleanup_net [ 60.628443][ T12] Call Trace: [ 60.631736][ T12] [ 60.634663][ T12] dump_stack_lvl+0x241/0x360 [ 60.639357][ T12] ? __pfx_dump_stack_lvl+0x10/0x10 [ 60.644562][ T12] ? __pfx__printk+0x10/0x10 [ 60.649166][ T12] lockdep_rcu_suspicious+0x221/0x340 [ 60.654630][ T12] _destroy_all_sets+0x53f/0x5f0 [ 60.659565][ T12] ip_set_net_exit+0x20/0x50 [ 60.664149][ T12] cleanup_net+0x802/0xcc0 [ 60.668570][ T12] ? __pfx_cleanup_net+0x10/0x10 [ 60.673511][ T12] ? process_scheduled_works+0x945/0x1830 [ 60.679231][ T12] process_scheduled_works+0xa2c/0x1830 [ 60.684967][ T12] ? __pfx_process_scheduled_works+0x10/0x10 [ 60.690958][ T12] ? assign_work+0x364/0x3d0 [ 60.695545][ T12] worker_thread+0x86d/0xd70 [ 60.700143][ T12] ? __kthread_parkme+0x169/0x1d0 [ 60.705167][ T12] ? __pfx_worker_thread+0x10/0x10 [ 60.710356][ T12] kthread+0x2f0/0x390 [ 60.714454][ T12] ? __pfx_worker_thread+0x10/0x10 [ 60.719576][ T12] ? __pfx_kthread+0x10/0x10 [ 60.724261][ T12] ret_from_fork+0x4b/0x80 [ 60.728766][ T12] ? __pfx_kthread+0x10/0x10 [ 60.733355][ T12] ret_from_fork_asm+0x1a/0x30 [ 60.738125][ T12] [ 60.851284][ T52] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.860002][ T52] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50