last executing test programs:
240.185413ms ago: executing program 2:
clock_gettime(0x0, &(0x7f0000000000))
210.45201ms ago: executing program 3:
socket$qrtr(0x2a, 0x2, 0x0)
209.483654ms ago: executing program 2:
shutdown(0xffffffffffffffff, 0x0)
200.495214ms ago: executing program 4:
getuid()
198.764358ms ago: executing program 1:
socket$inet6_udplite(0xa, 0x2, 0x88)
187.363111ms ago: executing program 3:
preadv(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, 0x0)
184.512119ms ago: executing program 0:
socket$nl_netfilter(0x10, 0x3, 0xc)
173.588322ms ago: executing program 0:
socket$phonet(0x23, 0x2, 0x1)
167.084488ms ago: executing program 2:
socket$inet(0x2, 0x1, 0x0)
148.442161ms ago: executing program 2:
socket$caif_stream(0x25, 0x1, 0x0)
144.461194ms ago: executing program 4:
sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0)
142.398811ms ago: executing program 3:
socket$inet6_sctp(0xa, 0x1, 0x84)
138.618545ms ago: executing program 0:
socket$packet(0x11, 0x2, 0x300)
125.831366ms ago: executing program 1:
readv(0xffffffffffffffff, &(0x7f0000000000), 0x0)
119.164343ms ago: executing program 3:
socket$pppl2tp(0x18, 0x1, 0x1)
111.093095ms ago: executing program 4:
gettid()
100.370831ms ago: executing program 3:
socket$inet_mptcp(0x2, 0x1, 0x106)
92.463499ms ago: executing program 2:
syz_init_net_socket$nfc_raw(0x27, 0x3, 0x0)
91.895534ms ago: executing program 1:
getgid()
89.227623ms ago: executing program 0:
socket$can_raw(0x1d, 0x3, 0x1)
86.452476ms ago: executing program 4:
socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
70.520565ms ago: executing program 1:
epoll_wait(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0)
68.968357ms ago: executing program 3:
socket$hf(0x13, 0x2, 0x0)
55.711633ms ago: executing program 4:
socket$isdn_base(0x22, 0x3, 0x0)
40.36647ms ago: executing program 2:
socket$xdp(0x2c, 0x3, 0x0)
37.90372ms ago: executing program 0:
socket$nl_audit(0x10, 0x3, 0x9)
35.932086ms ago: executing program 1:
syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0)
24.65372ms ago: executing program 4:
socket$can_bcm(0x1d, 0x2, 0x2)
20.077003ms ago: executing program 1:
socket$nl_generic(0x10, 0x3, 0x10)
0s ago: executing program 0:
tee(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0)
kernel console output (not intermixed with test programs):
Warning: Permanently added '10.128.1.138' (ED25519) to the list of known hosts.
2024/06/19 13:18:05 fuzzer started
2024/06/19 13:18:05 dialing manager at 10.128.0.169:30019
syzkaller login: [ 58.711054][ T5091] cgroup: Unknown subsys name 'net'
[ 58.937260][ T5091] cgroup: Unknown subsys name 'rlimit'
2024/06/19 13:18:07 starting 5 executor processes
[ 60.129592][ T5105] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 60.896144][ T5168] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list
[ 61.410912][ T5241] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list
[ 62.245277][ T2814]
[ 62.248202][ T2814] =============================
[ 62.253162][ T2814] WARNING: suspicious RCU usage
[ 62.258146][ T2814] 6.10.0-rc3-syzkaller-00727-g3d49ee2127c2 #0 Not tainted
[ 62.265300][ T2814] -----------------------------
[ 62.270218][ T2814] net/netfilter/ipset/ip_set_core.c:1200 suspicious rcu_dereference_protected() usage!
[ 62.280587][ T2814]
[ 62.280587][ T2814] other info that might help us debug this:
[ 62.280587][ T2814]
[ 62.290902][ T2814]
[ 62.290902][ T2814] rcu_scheduler_active = 2, debug_locks = 1
[ 62.299044][ T2814] 3 locks held by kworker/u8:10/2814:
[ 62.304437][ T2814] #0: ffff888015edd948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 62.315468][ T2814] #1: ffffc90009b9fd00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 62.326216][ T2814] #2: ffffffff8f5da0d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0
[ 62.335733][ T2814]
[ 62.335733][ T2814] stack backtrace:
[ 62.341651][ T2814] CPU: 0 PID: 2814 Comm: kworker/u8:10 Not tainted 6.10.0-rc3-syzkaller-00727-g3d49ee2127c2 #0
[ 62.352000][ T2814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 62.362091][ T2814] Workqueue: netns cleanup_net
[ 62.366869][ T2814] Call Trace:
[ 62.370139][ T2814]
[ 62.373060][ T2814] dump_stack_lvl+0x241/0x360
[ 62.377738][ T2814] ? __pfx_dump_stack_lvl+0x10/0x10
[ 62.382929][ T2814] ? __pfx__printk+0x10/0x10
[ 62.387526][ T2814] lockdep_rcu_suspicious+0x221/0x340
[ 62.392896][ T2814] _destroy_all_sets+0x232/0x5f0
[ 62.397927][ T2814] ip_set_net_exit+0x20/0x50
[ 62.402517][ T2814] cleanup_net+0x802/0xcc0
[ 62.406929][ T2814] ? __pfx_cleanup_net+0x10/0x10
[ 62.411872][ T2814] ? process_scheduled_works+0x945/0x1830
[ 62.417594][ T2814] process_scheduled_works+0xa2c/0x1830
[ 62.423149][ T2814] ? __pfx_process_scheduled_works+0x10/0x10
[ 62.429150][ T2814] ? assign_work+0x364/0x3d0
[ 62.433823][ T2814] worker_thread+0x86d/0xd70
[ 62.438416][ T2814] ? __kthread_parkme+0x169/0x1d0
2024/06/19 13:18:09 SYZFATAL: failed to recv *flatrpc.HostMessageRaw: EOF
[ 62.443434][ T2814] ? __pfx_worker_thread+0x10/0x10
[ 62.448536][ T2814] kthread+0x2f0/0x390
[ 62.452687][ T2814] ? __pfx_worker_thread+0x10/0x10
[ 62.457811][ T2814] ? __pfx_kthread+0x10/0x10
[ 62.462403][ T2814] ret_from_fork+0x4b/0x80
[ 62.466811][ T2814] ? __pfx_kthread+0x10/0x10
[ 62.471402][ T2814] ret_from_fork_asm+0x1a/0x30
[ 62.476174][ T2814]
[ 62.525671][ T2814]
[ 62.528057][ T2814] =============================
[ 62.533184][ T2814] WARNING: suspicious RCU usage
[ 62.538543][ T2814] 6.10.0-rc3-syzkaller-00727-g3d49ee2127c2 #0 Not tainted
[ 62.546084][ T2814] -----------------------------
[ 62.550952][ T2814] net/netfilter/ipset/ip_set_core.c:1211 suspicious rcu_dereference_protected() usage!
[ 62.560918][ T2814]
[ 62.560918][ T2814] other info that might help us debug this:
[ 62.560918][ T2814]
[ 62.571488][ T2814]
[ 62.571488][ T2814] rcu_scheduler_active = 2, debug_locks = 1
[ 62.580189][ T2814] 3 locks held by kworker/u8:10/2814:
[ 62.585966][ T2814] #0: ffff888015edd948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 62.597017][ T2814] #1: ffffc90009b9fd00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 62.607667][ T2814] #2: ffffffff8f5da0d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0
[ 62.617344][ T2814]
[ 62.617344][ T2814] stack backtrace:
[ 62.623347][ T2814] CPU: 1 PID: 2814 Comm: kworker/u8:10 Not tainted 6.10.0-rc3-syzkaller-00727-g3d49ee2127c2 #0
[ 62.633772][ T2814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 62.643838][ T2814] Workqueue: netns cleanup_net
[ 62.648621][ T2814] Call Trace:
[ 62.651894][ T2814]
[ 62.654913][ T2814] dump_stack_lvl+0x241/0x360
[ 62.659592][ T2814] ? __pfx_dump_stack_lvl+0x10/0x10
[ 62.664869][ T2814] ? __pfx__printk+0x10/0x10
[ 62.669457][ T2814] lockdep_rcu_suspicious+0x221/0x340
[ 62.674828][ T2814] _destroy_all_sets+0x53f/0x5f0
[ 62.679769][ T2814] ip_set_net_exit+0x20/0x50
[ 62.684354][ T2814] cleanup_net+0x802/0xcc0
[ 62.688771][ T2814] ? __pfx_cleanup_net+0x10/0x10
[ 62.693795][ T2814] ? process_scheduled_works+0x945/0x1830
[ 62.699508][ T2814] process_scheduled_works+0xa2c/0x1830
[ 62.705152][ T2814] ? __pfx_process_scheduled_works+0x10/0x10
[ 62.711165][ T2814] ? assign_work+0x364/0x3d0
[ 62.715842][ T2814] worker_thread+0x86d/0xd70
[ 62.720437][ T2814] ? __kthread_parkme+0x169/0x1d0
[ 62.725461][ T2814] ? __pfx_worker_thread+0x10/0x10
[ 62.731107][ T2814] kthread+0x2f0/0x390
[ 62.735200][ T2814] ? __pfx_worker_thread+0x10/0x10
[ 62.740400][ T2814] ? __pfx_kthread+0x10/0x10
[ 62.744985][ T2814] ret_from_fork+0x4b/0x80
[ 62.749836][ T2814] ? __pfx_kthread+0x10/0x10
[ 62.754421][ T2814] ret_from_fork_asm+0x1a/0x30
[ 62.759194][ T2814]