last executing test programs:
250.599559ms ago: executing program 0:
socket$inet6_sctp(0xa, 0x1, 0x84)
202.990654ms ago: executing program 3:
recvmmsg(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, 0x0)
195.973264ms ago: executing program 0:
socket$inet_udplite(0x2, 0x2, 0x88)
193.550573ms ago: executing program 4:
socket$l2tp(0x2, 0x2, 0x73)
184.988002ms ago: executing program 2:
socket$inet6_tcp(0xa, 0x1, 0x0)
164.973762ms 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)
161.440391ms ago: executing program 1:
socket$nl_generic(0x10, 0x3, 0x10)
160.904642ms ago: executing program 2:
socket$isdn(0x22, 0x3, 0x0)
154.218354ms ago: executing program 4:
socket$inet6(0xa, 0x1, 0x0)
131.478092ms ago: executing program 4:
syz_init_net_socket$rose(0xb, 0x5, 0x0)
130.752329ms ago: executing program 3:
socket$inet6_icmp(0xa, 0x2, 0x3a)
130.64003ms ago: executing program 1:
sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0)
127.575486ms ago: executing program 0:
pwrite64(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0)
121.053863ms ago: executing program 2:
socket$nl_xfrm(0x10, 0x3, 0x6)
106.824399ms ago: executing program 0:
socket$inet6_udplite(0xa, 0x2, 0x88)
104.476811ms ago: executing program 1:
socket$inet6_udp(0xa, 0x2, 0x0)
100.177105ms ago: executing program 3:
splice(0xffffffffffffffff, &(0x7f0000000000), 0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0)
91.991107ms ago: executing program 2:
ppoll(&(0x7f0000000000), 0x0, &(0x7f0000000000), &(0x7f0000000000), 0x0)
80.386815ms ago: executing program 4:
socket$phonet(0x23, 0x2, 0x1)
64.09099ms ago: executing program 1:
socket$pptp(0x18, 0x1, 0x2)
62.757841ms ago: executing program 3:
socket$nl_rdma(0x10, 0x3, 0x14)
54.822692ms ago: executing program 2:
clock_gettime(0x0, &(0x7f0000000000))
44.756837ms ago: executing program 4:
epoll_create(0x0)
35.6389ms ago: executing program 1:
socket$vsock_stream(0x28, 0x1, 0x0)
32.825256ms ago: executing program 3:
socket$kcm(0x29, 0x2, 0x0)
27.372863ms ago: executing program 2:
socket(0x1e, 0x2, 0x0)
20.7369ms ago: executing program 0:
socket$nl_audit(0x10, 0x3, 0x9)
18.05438ms ago: executing program 4:
socket$nl_crypto(0x10, 0x3, 0x15)
6.833531ms ago: executing program 0:
nanosleep(&(0x7f0000000000), 0x0)
0s ago: executing program 1:
pselect6(0x0, &(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000))
kernel console output (not intermixed with test programs):
Warning: Permanently added '10.128.1.102' (ED25519) to the list of known hosts.
2024/06/18 23:58:54 fuzzer started
2024/06/18 23:58:55 dialing manager at 10.128.0.169:30019
[ 55.976961][ T5092] cgroup: Unknown subsys name 'net'
[ 56.250247][ T5092] cgroup: Unknown subsys name 'rlimit'
2024/06/18 23:58:56 starting 5 executor processes
[ 57.404978][ T5111] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 58.667327][ T5244] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list
[ 58.762404][ T5255] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list
[ 59.558631][ T35]
[ 59.561545][ T35] =============================
[ 59.566416][ T35] WARNING: suspicious RCU usage
[ 59.571350][ T35] 6.10.0-rc3-syzkaller-00705-g8c379e3ce404 #0 Not tainted
[ 59.578586][ T35] -----------------------------
[ 59.583522][ T35] net/netfilter/ipset/ip_set_core.c:1200 suspicious rcu_dereference_protected() usage!
[ 59.593564][ T35]
[ 59.593564][ T35] other info that might help us debug this:
[ 59.593564][ T35]
[ 59.604168][ T35]
2024/06/18 23:58:58 SYZFATAL: failed to recv *flatrpc.HostMessageRaw: EOF
[ 59.604168][ T35] rcu_scheduler_active = 2, debug_locks = 1
[ 59.612398][ T35] 3 locks held by kworker/u8:2/35:
[ 59.618370][ T35] #0: ffff888015edd948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 59.629607][ T35] #1: ffffc90000ab7d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 59.640578][ T35] #2: ffffffff8f5db750 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0
[ 59.650439][ T35]
[ 59.650439][ T35] stack backtrace:
[ 59.656355][ T35] CPU: 1 PID: 35 Comm: kworker/u8:2 Not tainted 6.10.0-rc3-syzkaller-00705-g8c379e3ce404 #0
[ 59.666438][ T35] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 59.676509][ T35] Workqueue: netns cleanup_net
[ 59.681320][ T35] Call Trace:
[ 59.684618][ T35]
[ 59.687573][ T35] dump_stack_lvl+0x241/0x360
[ 59.692368][ T35] ? __pfx_dump_stack_lvl+0x10/0x10
[ 59.697598][ T35] ? __pfx__printk+0x10/0x10
[ 59.702228][ T35] lockdep_rcu_suspicious+0x221/0x340
[ 59.707634][ T35] _destroy_all_sets+0x232/0x5f0
[ 59.712609][ T35] ip_set_net_exit+0x20/0x50
[ 59.717205][ T35] cleanup_net+0x802/0xcc0
[ 59.721630][ T35] ? __pfx_cleanup_net+0x10/0x10
[ 59.726754][ T35] ? process_scheduled_works+0x945/0x1830
[ 59.732466][ T35] process_scheduled_works+0xa2c/0x1830
[ 59.738108][ T35] ? __pfx_process_scheduled_works+0x10/0x10
[ 59.744090][ T35] ? assign_work+0x364/0x3d0
[ 59.748765][ T35] worker_thread+0x86d/0xd70
[ 59.753353][ T35] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 59.759331][ T35] ? __kthread_parkme+0x169/0x1d0
[ 59.764350][ T35] ? __pfx_worker_thread+0x10/0x10
[ 59.769536][ T35] kthread+0x2f0/0x390
[ 59.773617][ T35] ? __pfx_worker_thread+0x10/0x10
[ 59.778745][ T35] ? __pfx_kthread+0x10/0x10
[ 59.783502][ T35] ret_from_fork+0x4b/0x80
[ 59.787921][ T35] ? __pfx_kthread+0x10/0x10
[ 59.792593][ T35] ret_from_fork_asm+0x1a/0x30
[ 59.797473][ T35]
[ 59.863717][ T35]
[ 59.866537][ T35] =============================
[ 59.871491][ T35] WARNING: suspicious RCU usage
[ 59.876377][ T35] 6.10.0-rc3-syzkaller-00705-g8c379e3ce404 #0 Not tainted
[ 59.883647][ T35] -----------------------------
[ 59.888592][ T35] net/netfilter/ipset/ip_set_core.c:1211 suspicious rcu_dereference_protected() usage!
[ 59.900354][ T35]
[ 59.900354][ T35] other info that might help us debug this:
[ 59.900354][ T35]
[ 59.910762][ T35]
[ 59.910762][ T35] rcu_scheduler_active = 2, debug_locks = 1
[ 59.918943][ T35] 3 locks held by kworker/u8:2/35:
[ 59.924254][ T35] #0: ffff888015edd948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 59.935362][ T35] #1: ffffc90000ab7d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 59.946203][ T35] #2: ffffffff8f5db750 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0
[ 59.955959][ T35]
[ 59.955959][ T35] stack backtrace:
[ 59.961943][ T35] CPU: 0 PID: 35 Comm: kworker/u8:2 Not tainted 6.10.0-rc3-syzkaller-00705-g8c379e3ce404 #0
[ 59.972021][ T35] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 59.982070][ T35] Workqueue: netns cleanup_net
[ 59.986837][ T35] Call Trace:
[ 59.990194][ T35]
[ 59.993116][ T35] dump_stack_lvl+0x241/0x360
[ 59.997787][ T35] ? __pfx_dump_stack_lvl+0x10/0x10
[ 60.003068][ T35] ? __pfx__printk+0x10/0x10
[ 60.007742][ T35] lockdep_rcu_suspicious+0x221/0x340
[ 60.013109][ T35] _destroy_all_sets+0x53f/0x5f0
[ 60.018039][ T35] ip_set_net_exit+0x20/0x50
[ 60.022727][ T35] cleanup_net+0x802/0xcc0
[ 60.027144][ T35] ? __pfx_cleanup_net+0x10/0x10
[ 60.032193][ T35] ? process_scheduled_works+0x945/0x1830
[ 60.038265][ T35] process_scheduled_works+0xa2c/0x1830
[ 60.043926][ T35] ? __pfx_process_scheduled_works+0x10/0x10
[ 60.049905][ T35] ? assign_work+0x364/0x3d0
[ 60.054487][ T35] worker_thread+0x86d/0xd70
[ 60.059074][ T35] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 60.064990][ T35] ? __kthread_parkme+0x169/0x1d0
[ 60.070010][ T35] ? __pfx_worker_thread+0x10/0x10
[ 60.075110][ T35] kthread+0x2f0/0x390
[ 60.079258][ T35] ? __pfx_worker_thread+0x10/0x10
[ 60.084442][ T35] ? __pfx_kthread+0x10/0x10
[ 60.089025][ T35] ret_from_fork+0x4b/0x80
[ 60.093449][ T35] ? __pfx_kthread+0x10/0x10
[ 60.098058][ T35] ret_from_fork_asm+0x1a/0x30
[ 60.102846][ T35]