last executing test programs:
255.634623ms ago: executing program 3:
poll(&(0x7f0000000000), 0x0, 0x0)
219.615316ms ago: executing program 1:
writev(0xffffffffffffffff, &(0x7f0000000000), 0x0)
218.718105ms ago: executing program 3:
socket$pppoe(0x18, 0x1, 0x0)
202.958911ms ago: executing program 2:
nanosleep(&(0x7f0000000000), 0x0)
193.083609ms ago: executing program 1:
syz_init_net_socket$802154_raw(0x24, 0x3, 0x0)
181.488087ms ago: executing program 3:
socket$phonet(0x23, 0x2, 0x1)
171.758914ms ago: executing program 2:
socket$inet_icmp_raw(0x2, 0x3, 0x1)
163.859842ms ago: executing program 0:
syz_init_net_socket$netrom(0x6, 0x5, 0x0)
150.444709ms ago: executing program 4:
socket$bt_rfcomm(0x1f, 0x1, 0x3)
149.749544ms ago: executing program 3:
socket$can_j1939(0x1d, 0x2, 0x7)
144.082536ms ago: executing program 1:
socket$alg(0x26, 0x5, 0x0)
136.64653ms ago: executing program 2:
socket$key(0xf, 0x3, 0x2)
125.226471ms ago: executing program 0:
shutdown(0xffffffffffffffff, 0x0)
124.037951ms ago: executing program 1:
socket$inet6_icmp(0xa, 0x2, 0x3a)
120.560082ms ago: executing program 4:
socket$bt_hidp(0x1f, 0x3, 0x6)
116.297093ms ago: executing program 3:
getpid()
106.247491ms ago: executing program 0:
listen(0xffffffffffffffff, 0x0)
95.0617ms 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)
88.855238ms ago: executing program 1:
ppoll(&(0x7f0000000000), 0x0, &(0x7f0000000000), &(0x7f0000000000), 0x0)
81.433109ms ago: executing program 2:
socket$kcm(0x29, 0x2, 0x0)
80.040334ms ago: executing program 3:
socket$hf(0x13, 0x2, 0x0)
75.88439ms ago: executing program 0:
socket$bt_bnep(0x1f, 0x3, 0x4)
59.282075ms ago: executing program 4:
socket$l2tp(0x2, 0x2, 0x73)
55.094373ms ago: executing program 2:
socket$netlink(0x10, 0x3, 0x0)
42.651557ms ago: executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
39.234684ms ago: executing program 1:
socket$caif_seqpacket(0x25, 0x5, 0x0)
21.479776ms ago: executing program 4:
epoll_pwait(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, &(0x7f0000000000), 0x0)
21.074571ms ago: executing program 0:
syz_init_net_socket$nfc_llcp(0x27, 0x1, 0x1)
11.936144ms ago: executing program 2:
socket$nl_audit(0x10, 0x3, 0x9)
0s ago: executing program 4:
epoll_create1(0x0)
kernel console output (not intermixed with test programs):
Warning: Permanently added '10.128.0.93' (ED25519) to the list of known hosts.
2024/06/17 17:00:07 fuzzer started
2024/06/17 17:00:07 dialing manager at 10.128.0.169:30017
[ 57.937055][ T5091] cgroup: Unknown subsys name 'net'
[ 58.188191][ T5091] cgroup: Unknown subsys name 'rlimit'
2024/06/17 17:00:09 starting 5 executor processes
[ 59.360383][ T5092] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 59.940933][ T5149] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list
[ 60.563601][ T5223] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list
[ 61.460608][ T11]
[ 61.463128][ T11] =============================
[ 61.468167][ T11] WARNING: suspicious RCU usage
[ 61.473255][ T11] 6.10.0-rc3-syzkaller-00126-g0b9130247f3b #0 Not tainted
[ 61.480484][ T11] -----------------------------
[ 61.485355][ T11] net/netfilter/ipset/ip_set_core.c:1200 suspicious rcu_dereference_protected() usage!
[ 61.495077][ T11]
[ 61.495077][ T11] other info that might help us debug this:
[ 61.495077][ T11]
[ 61.505560][ T11]
2024/06/17 17:00:11 SYZFATAL: failed to recv *flatrpc.HostMessageRaw: EOF
[ 61.505560][ T11] rcu_scheduler_active = 2, debug_locks = 1
[ 61.513964][ T11] 3 locks held by kworker/u8:0/11:
[ 61.519100][ T11] #0: ffff888015ed5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 61.530314][ T11] #1: ffffc90000107d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 61.541026][ T11] #2: ffffffff8f5db250 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0
[ 61.550748][ T11]
[ 61.550748][ T11] stack backtrace:
[ 61.556671][ T11] CPU: 1 PID: 11 Comm: kworker/u8:0 Not tainted 6.10.0-rc3-syzkaller-00126-g0b9130247f3b #0
[ 61.566846][ T11] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 61.576924][ T11] Workqueue: netns cleanup_net
[ 61.581746][ T11] Call Trace:
[ 61.585033][ T11]
[ 61.588339][ T11] dump_stack_lvl+0x241/0x360
[ 61.593397][ T11] ? __pfx_dump_stack_lvl+0x10/0x10
[ 61.598614][ T11] ? __pfx__printk+0x10/0x10
[ 61.603252][ T11] lockdep_rcu_suspicious+0x221/0x340
[ 61.608644][ T11] _destroy_all_sets+0x232/0x5f0
[ 61.613698][ T11] ip_set_net_exit+0x20/0x50
[ 61.618425][ T11] cleanup_net+0x802/0xcc0
[ 61.622963][ T11] ? __pfx_cleanup_net+0x10/0x10
[ 61.627920][ T11] ? process_scheduled_works+0x945/0x1830
[ 61.633637][ T11] process_scheduled_works+0xa2c/0x1830
[ 61.639200][ T11] ? __pfx_process_scheduled_works+0x10/0x10
[ 61.645272][ T11] ? assign_work+0x364/0x3d0
[ 61.649861][ T11] worker_thread+0x86d/0xd70
[ 61.654490][ T11] ? __kthread_parkme+0x169/0x1d0
[ 61.659530][ T11] ? __pfx_worker_thread+0x10/0x10
[ 61.664657][ T11] kthread+0x2f0/0x390
[ 61.668837][ T11] ? __pfx_worker_thread+0x10/0x10
[ 61.674045][ T11] ? __pfx_kthread+0x10/0x10
[ 61.678923][ T11] ret_from_fork+0x4b/0x80
[ 61.683614][ T11] ? __pfx_kthread+0x10/0x10
[ 61.688382][ T11] ret_from_fork_asm+0x1a/0x30
[ 61.693233][ T11]
[ 61.732535][ T11]
[ 61.734913][ T11] =============================
[ 61.740066][ T11] WARNING: suspicious RCU usage
[ 61.745199][ T11] 6.10.0-rc3-syzkaller-00126-g0b9130247f3b #0 Not tainted
[ 61.752402][ T11] -----------------------------
[ 61.757367][ T11] net/netfilter/ipset/ip_set_core.c:1211 suspicious rcu_dereference_protected() usage!
[ 61.767296][ T11]
[ 61.767296][ T11] other info that might help us debug this:
[ 61.767296][ T11]
[ 61.777854][ T11]
[ 61.777854][ T11] rcu_scheduler_active = 2, debug_locks = 1
[ 61.786117][ T11] 3 locks held by kworker/u8:0/11:
[ 61.791384][ T11] #0: ffff888015ed5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 61.802456][ T11] #1: ffffc90000107d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 61.813205][ T11] #2: ffffffff8f5db250 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0
[ 61.822826][ T11]
[ 61.822826][ T11] stack backtrace:
[ 61.828823][ T11] CPU: 0 PID: 11 Comm: kworker/u8:0 Not tainted 6.10.0-rc3-syzkaller-00126-g0b9130247f3b #0
[ 61.839254][ T11] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 61.849433][ T11] Workqueue: netns cleanup_net
[ 61.854327][ T11] Call Trace:
[ 61.857627][ T11]
[ 61.860577][ T11] dump_stack_lvl+0x241/0x360
[ 61.865285][ T11] ? __pfx_dump_stack_lvl+0x10/0x10
[ 61.870538][ T11] ? __pfx__printk+0x10/0x10
[ 61.875165][ T11] lockdep_rcu_suspicious+0x221/0x340
[ 61.880673][ T11] _destr