rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (2 ticks this GP) idle=7c8c/1/0x4000000000000000 softirq=17712/17713 fqs=2
rcu: 	(detected by 0, t=10502 jiffies, g=10085, q=404 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 6548 Comm: syz.1.212 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:its_return_thunk+0x0/0x10
Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc <c3> cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 e9 6b c2 b5 f5 cc
RSP: 0018:ffffc900001df2f8 EFLAGS: 00000086
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 4d9de984d1fd9600
RDX: 0000000000000000 RSI: ffffffff8be34260 RDI: ffffffff8be34220
RBP: ffffffff81ada78b R08: 0000000000000001 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1026cc4f51 R12: 0000000000000000
R13: ffff888136627a98 R14: 0000000000000000 R15: 0000000000000001
FS:  00007faa728c46c0(0000) GS:ffff8881a3c12000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000000f000 CR3: 000000003163a000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 rcu_is_watching+0x15/0xb0
 lock_acquire+0x5f/0x360
 _raw_spin_lock_irqsave+0xa7/0xf0
 hrtimer_try_to_cancel+0x22b/0x420
 hrtimer_cancel+0x3b/0x50
 cpu_clock_event_stop+0xd9/0x130
 __perf_event_overflow+0x580/0xe40
 perf_swevent_hrtimer+0x3c5/0x550
 __hrtimer_run_queues+0x4e0/0xc60
 hrtimer_interrupt+0x45b/0xaa0
 __sysvec_apic_timer_interrupt+0x10b/0x410
 sysvec_apic_timer_interrupt+0x52/0xc0
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:tcp_rcv_established+0xf7e/0x1eb0
Code: 0a 00 00 41 89 5d 00 e9 99 fd ff ff e8 cb ab cb f7 e9 05 01 00 00 e8 c1 ab cb f7 49 bc 00 00 00 00 00 fc ff df 4c 8b 6c 24 20 <4c> 89 ef 48 8b 5c 24 18 48 89 de 48 8b 54 24 48 e8 0d ad 00 00 4c
RSP: 0018:ffffc900001dfc00 EFLAGS: 00000246
RAX: ffffffff89f40e7f RBX: 0000000000000000 RCX: ffff88810697d640
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900001dfd38 R08: ffffc900001dfb67 R09: 0000000000000000
R10: ffffc900001dfb20 R11: fffff5200003bf6d R12: dffffc0000000000
R13: ffff888111cd2700 R14: 0000000000000000 R15: ffff888111cd311c
 tcp_v4_do_rcv+0xa23/0xce0
 tcp_v4_rcv+0x26a6/0x2f40
 ip_protocol_deliver_rcu+0x221/0x440
 ip_local_deliver_finish+0x3bb/0x6f0
 NF_HOOK+0x30c/0x3a0
 ip_sublist_rcv_finish+0x221/0x2a0
 ip_sublist_rcv+0x6e7/0x9b0
 ip_list_rcv+0x3e2/0x430
 __netif_receive_skb_list_core+0x7d2/0x800
 netif_receive_skb_list_internal+0x975/0xcc0
 gro_complete+0x2a6/0x720
 dev_gro_receive+0x1a04/0x23b0
 gro_receive_skb+0x440/0xce0
 e1000_clean_rx_irq+0x980/0x1170
 e1000_clean+0xca4/0x2b00
 __napi_poll+0xc7/0x360
 net_rx_action+0x707/0xe30
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 common_interrupt+0xbb/0xe0
 </IRQ>
 <TASK>
 asm_common_interrupt+0x26/0x40
RIP: 0010:kmem_cache_alloc_lru_noprof+0x4/0x3d0
Code: ff e8 50 0c 1b ff e9 4d ff ff ff 90 0f 0b 90 eb bb 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <55> 41 57 41 56 41 55 41 54 53 48 83 ec 28 89 d5 48 89 74 24 10 49
RSP: 0018:ffffc9000679fdb8 EFLAGS: 00000286
RAX: ffffffff8959747d RBX: ffff8881016b8818 RCX: 0000000000080000
RDX: 0000000000000cc0 RSI: ffff8881016b8818 RDI: ffff8881012f1000
RBP: 000000000000000c R08: ffffc9000679fe80 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffffff89597470 R12: dffffc0000000000
R13: 0000000000000000 R14: ffff8881016b8000 R15: ffffffff89597470
 sock_alloc_inode+0x28/0xc0
 alloc_inode+0x6a/0x1b0
 __sock_create+0x12d/0x9f0
 __sys_socket+0xd7/0x1b0
 __x64_sys_socket+0x7a/0x90
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7faa7198ec29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007faa728c4038 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007faa71bd5fa0 RCX: 00007faa7198ec29
RDX: 000000000000000c RSI: 0000000000000003 RDI: 0000000000000010
RBP: 00007faa71a11e41 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007faa71bd6038 R14: 00007faa71bd5fa0 R15: 00007ffd41d31518
 </TASK>
rcu: rcu_preempt kthread starved for 10498 jiffies! g10085 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:26632 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00004000
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 schedule+0x165/0x360
 schedule_timeout+0x12b/0x270
 rcu_gp_fqs_loop+0x301/0x1540
 rcu_gp_kthread+0x99/0x390
 kthread+0x711/0x8a0
 ret_from_fork+0x439/0x7d0
 ret_from_fork_asm+0x1a/0x30
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 UID: 0 PID: 6549 Comm: syz.1.212 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:smp_call_function_many_cond+0xd33/0x12d0
Code: 45 8b 2c 24 44 89 ee 83 e6 01 31 ff e8 b6 63 0b 00 41 83 e5 01 49 bd 00 00 00 00 00 fc ff df 75 07 e8 61 5f 0b 00 eb 38 f3 90 <42> 0f b6 04 2b 84 c0 75 11 41 f7 04 24 01 00 00 00 74 1e e8 45 5f
RSP: 0018:ffffc90006ca75a0 EFLAGS: 00000246
RAX: ffffffff81b4621b RBX: 1ffff11026cc7f61 RCX: 0000000000080000
RDX: ffffc9000f8e1000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc90006ca7720 R08: ffffffff8fa3b237 R09: 1ffffffff1f47646
R10: dffffc0000000000 R11: fffffbfff1f47647 R12: ffff88813663fb08
R13: dffffc0000000000 R14: ffff88804b03b1c0 R15: 0000000000000001
FS:  00007faa728a36c0(0000) GS:ffff8880b8612000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c366cdd CR3: 000000003163a000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 on_each_cpu_cond_mask+0x3f/0x80
 smp_text_poke_batch_finish+0x5f9/0x1130
 __static_call_transform+0x4eb/0x750
 arch_static_call_transform+0x98/0xc0
 __static_call_update+0xe4/0x5d0
 tracepoint_add_func+0x91e/0xa10
 tracepoint_probe_register_prio_may_exist+0x5f/0xa0
 bpf_raw_tp_link_attach+0x4f0/0x6c0
 bpf_raw_tracepoint_open+0x1b2/0x220
 __sys_bpf+0x736/0x850
 __x64_sys_bpf+0x7c/0x90
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7faa7198ec29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007faa728a3038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007faa71bd6090 RCX: 00007faa7198ec29
RDX: 0000000000000010 RSI: 00002000000000c0 RDI: 0000000000000011
RBP: 00007faa71a11e41 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007faa71bd6128 R14: 00007faa71bd6090 R15: 00007ffd41d31518
 </TASK>
