last executing test programs: 346.691927ms ago: executing program 2: socket$hf(0x13, 0x2, 0x0) 217.797142ms ago: executing program 1: nanosleep(&(0x7f0000000000), 0x0) 193.536253ms ago: executing program 1: syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) 186.309632ms ago: executing program 0: socket$isdn_base(0x22, 0x3, 0x0) 174.812989ms ago: executing program 2: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/net/tun', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/net/tun', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/net/tun', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/net/tun', 0x800, 0x0) 170.132861ms ago: executing program 4: preadv(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, 0x0) 160.516598ms ago: executing program 3: select(0x0, &(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000)) 151.969991ms ago: executing program 1: syz_init_net_socket$802154_raw(0x24, 0x3, 0x0) 149.414173ms ago: executing program 0: socket$isdn(0x22, 0x3, 0x0) 137.365796ms ago: executing program 2: socket$bt_cmtp(0x1f, 0x3, 0x5) 136.849083ms ago: executing program 4: epoll_create(0x0) 118.257598ms ago: executing program 3: pwrite64(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) 113.847574ms ago: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ppp', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ppp', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ppp', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ppp', 0x800, 0x0) 111.667669ms ago: executing program 4: syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) 101.907958ms ago: executing program 2: syz_init_net_socket$llc(0x1a, 0x1, 0x0) 98.715597ms ago: executing program 3: syz_init_net_socket$nfc_llcp(0x27, 0x1, 0x1) 92.439723ms ago: executing program 1: socket$rds(0x15, 0x5, 0x0) 79.118703ms ago: executing program 4: socket$inet6_tcp(0xa, 0x1, 0x0) 77.202032ms ago: executing program 0: socket$inet6_sctp(0xa, 0x1, 0x84) 65.448104ms ago: executing program 3: socket$phonet_pipe(0x23, 0x5, 0x2) 63.159751ms ago: executing program 2: pwritev(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, 0x0) 57.198821ms ago: executing program 1: socket$inet6(0xa, 0x1, 0x0) 42.473606ms ago: executing program 0: socket$nl_rdma(0x10, 0x3, 0x14) 32.563429ms ago: executing program 4: socket$can_j1939(0x1d, 0x2, 0x7) 23.486598ms ago: executing program 0: socket$igmp(0x2, 0x3, 0x2) 16.735193ms ago: executing program 3: vmsplice(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) 14.622799ms ago: executing program 1: socket$inet_mptcp(0x2, 0x1, 0x106) 13.140843ms ago: executing program 2: socket$bt_rfcomm(0x1f, 0x1, 0x3) 2.662387ms ago: executing program 4: socket$nl_netfilter(0x10, 0x3, 0xc) 0s ago: executing program 3: socket$vsock_dgram(0x28, 0x2, 0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.91' (ED25519) to the list of known hosts. 2024/06/13 15:06:16 fuzzer started 2024/06/13 15:06:16 dialing manager at 10.128.0.169:30017 [ 55.079115][ T5092] cgroup: Unknown subsys name 'net' [ 55.363712][ T5092] cgroup: Unknown subsys name 'rlimit' 2024/06/13 15:06:18 starting 5 executor processes [ 56.534593][ T5111] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 57.327130][ T5173] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 57.695856][ T5222] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 58.255426][ T53] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.270389][ T53] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.295055][ T53] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.303780][ T53] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.311615][ T53] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 58.323052][ T53] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.706941][ T35] [ 58.709491][ T35] ============================= [ 58.714568][ T35] WARNING: suspicious RCU usage [ 58.719540][ T35] 6.10.0-rc2-syzkaller-00260-g6f4d93b78ade #0 Not tainted [ 58.726857][ T35] ----------------------------- [ 58.731913][ T35] net/netfilter/ipset/ip_set_core.c:1200 suspicious rcu_dereference_protected() usage! [ 58.742486][ T35] [ 58.742486][ T35] other info that might help us debug this: [ 58.742486][ T35] [ 58.753171][ T35] [ 58.753171][ T35] rcu_scheduler_active = 2, debug_locks = 1 [ 58.761575][ T35] 3 locks held by kworker/u8:2/35: [ 58.767084][ T35] #0: ffff888015ed5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 58.778402][ T35] #1: ffffc90000ab7d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 58.789231][ T35] #2: ffffffff8f5dac10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 [ 58.799097][ T35] [ 58.799097][ T35] stack backtrace: [ 58.805249][ T35] CPU: 1 PID: 35 Comm: kworker/u8:2 Not tainted 6.10.0-rc2-syzkaller-00260-g6f4d93b78ade #0 [ 58.815625][ T35] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 58.826048][ T35] Workqueue: netns cleanup_net [ 58.830941][ T35] Call Trace: [ 58.834226][ T35] [ 58.837187][ T35] dump_stack_lvl+0x241/0x360 [ 58.842048][ T35] ? __pfx_dump_stack_lvl+0x10/0x10 [ 58.847298][ T35] ? __pfx__printk+0x10/0x10 [ 58.851956][ T35] lockdep_rcu_suspicious+0x221/0x340 [ 58.857429][ T35] _destroy_all_sets+0x232/0x5f0 [ 58.862398][ T35] ip_set_net_exit+0x20/0x50 [ 58.867166][ T35] cleanup_net+0x802/0xcc0 [ 58.871679][ T35] ? __pfx_cleanup_net+0x10/0x10 [ 58.876647][ T35] ? process_scheduled_works+0x945/0x1830 [ 58.882555][ T35] process_scheduled_works+0xa2c/0x1830 [ 58.888337][ T35] ? __pfx_process_scheduled_works+0x10/0x10 [ 58.894454][ T35] ? assign_work+0x364/0x3d0 [ 58.899228][ T35] worker_thread+0x86d/0xd70 2024/06/13 15:06:20 SYZFATAL: failed to recv *flatrpc.HostMessageRaw: EOF [ 58.903848][ T35] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 58.909851][ T35] ? __kthread_parkme+0x169/0x1d0 [ 58.914968][ T35] ? __pfx_worker_thread+0x10/0x10 [ 58.920626][ T35] kthread+0x2f0/0x390 [ 58.924694][ T35] ? __pfx_worker_thread+0x10/0x10 [ 58.929851][ T35] ? __pfx_kthread+0x10/0x10 [ 58.934530][ T35] ret_from_fork+0x4b/0x80 [ 58.938978][ T35] ? __pfx_kthread+0x10/0x10 [ 58.943677][ T35] ret_from_fork_asm+0x1a/0x30 [ 58.948814][ T35] [ 59.025586][ T35] [ 59.028027][ T35] ============================= [ 59.033018][ T35] WARNING: suspicious RCU usage [ 59.038522][ T35] 6.10.0-rc2-syzkaller-00260-g6f4d93b78ade #0 Not tainted [ 59.046230][ T35] ----------------------------- [ 59.051125][ T35] net/netfilter/ipset/ip_set_core.c:1211 suspicious rcu_dereference_protected() usage! [ 59.061095][ T35] [ 59.061095][ T35] other info that might help us debug this: [ 59.061095][ T35] [ 59.072200][ T35] [ 59.072200][ T35] rcu_scheduler_active = 2, debug_locks = 1 [ 59.080645][ T35] 3 locks held by kworker/u8:2/35: [ 59.086004][ T35] #0: ffff888015ed5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 59.097350][ T35] #1: ffffc90000ab7d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 59.108387][ T35] #2: ffffffff8f5dac10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 [ 59.117915][ T35] [ 59.117915][ T35] stack backtrace: [ 59.123875][ T35] CPU: 1 PID: 35 Comm: kworker/u8:2 Not tainted 6.10.0-rc2-syzkaller-00260-g6f4d93b78ade #0 [ 59.133971][ T35] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 59.144258][ T35] Workqueue: netns cleanup_net [ 59.149069][ T35] Call Trace: [ 59.152456][ T35] [ 59.155406][ T35] dump_stack_lvl+0x241/0x360 [ 59.160308][ T35] ? __pfx_dump_stack_lvl+0x10/0x10 [ 59.165554][ T35] ? __pfx__printk+0x10/0x10 [ 59.170199][ T35] lockdep_rcu_suspicious+0x221/0x340 [ 59.175619][ T35] _destroy_all_sets+0x53f/0x5f0 [ 59.180585][ T35] ip_set_net_exit+0x20/0x50 [ 59.185204][ T35] cleanup_net+0x802/0xcc0 [ 59.189702][ T35] ? __pfx_cleanup_net+0x10/0x10 [ 59.194726][ T35] ? process_scheduled_works+0x945/0x1830 [ 59.200567][ T35] process_scheduled_works+0xa2c/0x1830 [ 59.206149][ T35] ? __pfx_process_scheduled_works+0x10/0x10 [ 59.212137][ T35] ? assign_work+0x364/0x3d0 [ 59.216751][ T35] worker_thread+0x86d/0xd70 [ 59.221363][ T35] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 59.227258][ T35] ? __kthread_parkme+0x169/0x1d0 [ 59.232318][ T35] ? __pfx_worker_thread+0x10/0x10 [ 59.237444][ T35] kthread+0x2f0/0x390 [ 59.241578][ T35] ? __pfx_worker_thread+0x10/0x10 [ 59.246690][ T35] ? __pfx_kthread+0x10/0x10 [ 59.251285][ T35] ret_from_fork+0x4b/0x80 [ 59.255797][ T35] ? __pfx_kthread+0x10/0x10 [ 59.260385][ T35] ret_from_fork_asm+0x1a/0x30 [ 59.265250][ T35]