last executing test programs:
316.922214ms ago: executing program 2:
pselect6(0x0, &(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000))
301.915496ms ago: executing program 4:
socket$inet6_udplite(0xa, 0x2, 0x88)
275.72924ms ago: executing program 1:
socket$inet_smc(0x2b, 0x1, 0x0)
274.966885ms ago: executing program 2:
nanosleep(&(0x7f0000000000), 0x0)
256.493153ms ago: executing program 2:
socket$bt_bnep(0x1f, 0x3, 0x4)
236.891936ms ago: executing program 1:
clock_gettime(0x0, &(0x7f0000000000))
214.881303ms ago: executing program 4:
syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
212.233353ms ago: executing program 2:
socket$hf(0x13, 0x2, 0x0)
203.233912ms ago: executing program 1:
gettid()
188.048792ms ago: executing program 3:
socket$caif_seqpacket(0x25, 0x5, 0x0)
187.732116ms ago: executing program 0:
socket$vsock_stream(0x28, 0x1, 0x0)
175.397006ms ago: executing program 4:
poll(&(0x7f0000000000), 0x0, 0x0)
156.177104ms ago: executing program 3:
pwritev(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, 0x0)
155.455206ms ago: executing program 1:
socket$nl_xfrm(0x10, 0x3, 0x6)
153.972857ms ago: executing program 0:
shutdown(0xffffffffffffffff, 0x0)
135.364221ms ago: executing program 0:
socket$qrtr(0x2a, 0x2, 0x0)
129.914479ms ago: executing program 1:
socket$bt_cmtp(0x1f, 0x3, 0x5)
124.314997ms ago: executing program 4:
vmsplice(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0)
123.540146ms ago: executing program 3:
socket$l2tp(0x2, 0x2, 0x73)
110.390587ms ago: executing program 4:
socket$key(0xf, 0x3, 0x2)
98.687346ms ago: executing program 3:
socket$inet6_dccp(0xa, 0x6, 0x0)
96.845059ms ago: executing program 0:
socket$can_j1939(0x1d, 0x2, 0x7)
88.59348ms ago: executing program 1:
socket$inet_icmp_raw(0x2, 0x3, 0x1)
82.055636ms ago: executing program 2:
writev(0xffffffffffffffff, &(0x7f0000000000), 0x0)
72.072823ms ago: executing program 3:
socket$inet_icmp(0x2, 0x2, 0x1)
64.449891ms ago: executing program 0:
epoll_wait(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0)
56.02853ms ago: executing program 4:
socket$nl_generic(0x10, 0x3, 0x10)
50.038839ms ago: executing program 2:
syz_init_net_socket$llc(0x1a, 0x1, 0x0)
33.404875ms ago: executing program 0:
socket$inet_mptcp(0x2, 0x1, 0x106)
0s ago: executing program 3:
listen(0xffffffffffffffff, 0x0)
kernel console output (not intermixed with test programs):
Warning: Permanently added '10.128.0.56' (ED25519) to the list of known hosts.
2024/06/14 00:43:54 fuzzer started
2024/06/14 00:43:54 dialing manager at 10.128.0.169:30017
[ 56.322912][ T5092] cgroup: Unknown subsys name 'net'
[ 56.594881][ T5092] cgroup: Unknown subsys name 'rlimit'
2024/06/14 00:43:56 starting 5 executor processes
[ 57.655411][ T5103] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 57.668060][ T5103] syz-executor (5103) used greatest stack depth: 18832 bytes left
[ 58.659134][ T5208] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list
[ 58.855722][ T5234] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list
[ 59.769831][ T748]
[ 59.772400][ T748] =============================
[ 59.777257][ T748] WARNING: suspicious RCU usage
[ 59.782269][ T748] 6.10.0-rc3-syzkaller-00100-g4467c09bc7a6 #0 Not tainted
[ 59.789487][ T748] -----------------------------
[ 59.794437][ T748] net/netfilter/ipset/ip_set_core.c:1200 suspicious rcu_dereference_protected() usage!
[ 59.804232][ T748]
[ 59.804232][ T748] other info that might help us debug this:
[ 59.804232][ T748]
[ 59.814888][ T748]
2024/06/14 00:43:58 SYZFATAL: failed to recv *flatrpc.HostMessageRaw: EOF
[ 59.814888][ T748] rcu_scheduler_active = 2, debug_locks = 1
[ 59.823443][ T748] 3 locks held by kworker/u8:5/748:
[ 59.828684][ T748] #0: ffff888015ed5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 59.840179][ T748] #1: ffffc90003a3fd00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 59.851078][ T748] #2: ffffffff8f5db250 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0
[ 59.860802][ T748]
[ 59.860802][ T748] stack backtrace:
[ 59.867418][ T748] CPU: 0 PID: 748 Comm: kworker/u8:5 Not tainted 6.10.0-rc3-syzkaller-00100-g4467c09bc7a6 #0
[ 59.878000][ T748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 59.888092][ T748] Workqueue: netns cleanup_net
[ 59.892993][ T748] Call Trace:
[ 59.896291][ T748]
[ 59.899329][ T748] dump_stack_lvl+0x241/0x360
[ 59.904731][ T748] ? __pfx_dump_stack_lvl+0x10/0x10
[ 59.910312][ T748] ? __pfx__printk+0x10/0x10
[ 59.915280][ T748] lockdep_rcu_suspicious+0x221/0x340
[ 59.920663][ T748] _destroy_all_sets+0x232/0x5f0
[ 59.925609][ T748] ip_set_net_exit+0x20/0x50
[ 59.930277][ T748] cleanup_net+0x802/0xcc0
[ 59.935197][ T748] ? __pfx_cleanup_net+0x10/0x10
[ 59.940172][ T748] ? process_scheduled_works+0x945/0x1830
[ 59.946014][ T748] process_scheduled_works+0xa2c/0x1830
[ 59.951692][ T748] ? __pfx_process_scheduled_works+0x10/0x10
[ 59.957810][ T748] ? assign_work+0x364/0x3d0
[ 59.963050][ T748] worker_thread+0x86d/0xd70
[ 59.967830][ T748] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 59.974187][ T748] ? __kthread_parkme+0x169/0x1d0
[ 59.980563][ T748] ? __pfx_worker_thread+0x10/0x10
[ 59.986284][ T748] kthread+0x2f0/0x390
[ 59.990760][ T748] ? __pfx_worker_thread+0x10/0x10
[ 59.995969][ T748] ? __pfx_kthread+0x10/0x10
[ 60.000750][ T748] ret_from_fork+0x4b/0x80
[ 60.005272][ T748] ? __pfx_kthread+0x10/0x10
[ 60.009878][ T748] ret_from_fork_asm+0x1a/0x30
[ 60.014647][ T748]
[ 60.025758][ T748]
[ 60.028222][ T748] =============================
[ 60.033639][ T748] WARNING: suspicious RCU usage
[ 60.038627][ T748] 6.10.0-rc3-syzkaller-00100-g4467c09bc7a6 #0 Not tainted
[ 60.046080][ T748] -----------------------------
[ 60.050950][ T748] net/netfilter/ipset/ip_set_core.c:1211 suspicious rcu_dereference_protected() usage!
[ 60.061021][ T748]
[ 60.061021][ T748] other info that might help us debug this:
[ 60.061021][ T748]
[ 60.071471][ T748]
[ 60.071471][ T748] rcu_scheduler_active = 2, debug_locks = 1
[ 60.079560][ T748] 3 locks held by kworker/u8:5/748:
[ 60.084833][ T748] #0: ffff888015ed5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 60.095834][ T748] #1: ffffc90003a3fd00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 60.106970][ T748] #2: ffffffff8f5db250 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0
[ 60.116795][ T748]
[ 60.116795][ T748] stack backtrace:
[ 60.122998][ T748] CPU: 1 PID: 748 Comm: kworker/u8:5 Not tainted 6.10.0-rc3-syzkaller-00100-g4467c09bc7a6 #0
[ 60.133271][ T748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 60.143351][ T748] Workqueue: netns cleanup_net
[ 60.148163][ T748] Call Trace:
[ 60.151480][ T748]
[ 60.154518][ T748] dump_stack_lvl+0x241/0x360
[ 60.159313][ T748] ? __pfx_dump_stack_lvl+0x10/0x10
[ 60.164541][ T748] ? __pfx__printk+0x10/0x10
[ 60.169823][ T748] lockdep_rcu_suspicious+0x221/0x340
[ 60.175245][ T748] _destroy_all_sets+0x53f/0x5f0
[ 60.180306][ T748] ip_set_net_exit+0x20/0x50
[ 60.185804][ T748] cleanup_net+0x802/0xcc0
[ 60.190638][ T748] ? __pfx_cleanup_net+0x10/0x10
[ 60.196051][ T748] ? process_scheduled_works+0x945/0x1830
[ 60.201826][ T748] process_scheduled_works+0xa2c/0x1830
[ 60.207526][ T748] ? __pfx_process_scheduled_works+0x10/0x10
[ 60.213565][ T748] ? assign_work+0x364/0x3d0
[ 60.218364][ T748] worker_thread+0x86d/0xd70
[ 60.223079][ T748] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 60.229497][ T748] ? __kthread_parkme+0x169/0x1d0
[ 60.234943][ T748] ? __pfx_worker_thread+0x10/0x10
[ 60.240225][ T748] kthread+0x2f0/0x390
[ 60.244334][ T748] ? __pfx_worker_thread+0x10/0x10
[ 60.249473][ T748] ? __pfx_kthread+0x10/0x10
[ 60.254098][ T748] ret_from_fork+0x4b/0x80
[ 60.258540][ T748] ? __pfx_kthread+0x10/0x10
[ 60.263165][ T748] ret_from_fork_asm+0x1a/0x30
[ 60.268258][ T748]