rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (3 ticks this GP) idle=a114/1/0x4000000000000000 softirq=31409/31409 fqs=0
rcu: 	(detected by 0, t=10502 jiffies, g=23117, q=380 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 9198 Comm: syz.7.849 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:kasan_check_range+0x43/0x2c0
Code: 4c 8d 04 37 49 39 f8 0f 82 82 02 00 00 49 b9 00 00 00 00 00 80 ff ff eb 11 cc cc cc f3 0f 1e fa 49 b9 00 00 00 00 00 00 00 ff <f3> 0f 1e fa 4c 39 cf 0f 82 58 02 00 00 49 89 ff 49 c1 ef 03 49 ba
RSP: 0018:ffffc900001df3d0 EFLAGS: 00000002
RAX: 0000000000000001 RBX: ffff888136627a80 RCX: ffffffff819e180d
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888136627a80
RBP: ffffc900001df4d8 R08: ffff888136627a84 R09: ffff800000000000
R10: dffffc0000000000 R11: fffff5200003be78 R12: dffffc0000000000
R13: ffff888136627b00 R14: ffff888136627a84 R15: 1ffff9200003be88
FS:  00007fbbe4d8c6c0(0000) GS:ffff8881a3c13000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31322ff8 CR3: 000000003adb2000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 do_raw_spin_unlock+0x4d/0x240
 _raw_spin_unlock_irqrestore+0x78/0x110
 hrtimer_try_to_cancel+0x3be/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:kmem_cache_free+0x76/0x400
Code: 00 89 c0 48 0f a3 05 79 3a 8b 0d 73 16 e8 32 04 8e ff 84 c0 75 0d f6 05 e2 20 75 0d 01 0f 84 5e 02 00 00 4c 8b 2d a2 36 a5 0b <48> 89 df e8 d2 27 5c ff 48 c1 e8 06 48 83 e0 c0 49 8b 4c 05 08 f6
RSP: 0018:ffffc900001dfc78 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffff888109ec3480 RCX: 59a299408fc2fa00
RDX: 0000000000000100 RSI: ffffffff8be33de0 RDI: ffffffff8be33da0
RBP: ffff888109ec3608 R08: ffffc900001dfc80 R09: 1ffffffff1f47506
R10: dffffc0000000000 R11: ffffffff8a17e710 R12: ffff888109ec3602
R13: ffffea0000000000 R14: ffff88801d2a1b40 R15: ffffffff895b86ed
 skb_release_data+0x62d/0x7c0
 __kfree_skb+0x55/0x70
 tcp_rcv_established+0xe9e/0x1eb0
 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_receive_skb+0x642/0xce0
 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:seqcount_lockdep_reader_access+0x129/0x180
Code: 95 b0 ff 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4b 41 f7 c5 00 02 00 00 74 01 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 66 43 c7 44 27 09 00 00 43 c6 44 27 0b 00
RSP: 0018:ffffc9000670ea80 EFLAGS: 00000206
RAX: 59a299408fc2fa00 RBX: ffff88813fff83d8 RCX: 59a299408fc2fa00
RDX: 0000000000000000 RSI: ffffffff8d9ba160 RDI: ffffffff8be33e00
RBP: ffffc9000670eb28 R08: ffffffff8fa3a837 R09: 1ffffffff1f47506
R10: dffffc0000000000 R11: fffffbfff1f47507 R12: dffffc0000000000
R13: 0000000000000a06 R14: ffffffff8216cdfb R15: 1ffff92000ce1d50
 bad_range+0x8b/0x2c0
 get_page_from_freelist+0x21c2/0x22c0
 __alloc_frozen_pages_noprof+0x181/0x370
 alloc_pages_mpol+0x232/0x4a0
 alloc_pages_noprof+0xa9/0x190
 get_free_pages_noprof+0xf/0x80
 kasan_populate_vmalloc+0x38/0x270
 alloc_vmap_area+0xd62/0x14a0
 __get_vm_area_node+0x1f8/0x300
 __vmalloc_node_range_noprof+0x301/0x12f0
 vmalloc_noprof+0xb2/0xf0
 bpf_prog_calc_tag+0xa7/0x440
 resolve_pseudo_ldimm64+0xbc/0xc50
 bpf_check+0x1c58/0x1d2c0
 bpf_prog_load+0x1318/0x1930
 __sys_bpf+0x528/0x870
 __x64_sys_bpf+0x7c/0x90
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbbe3f8eba9
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:00007fbbe4d8c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fbbe41d5fa0 RCX: 00007fbbe3f8eba9
RDX: 0000000000000048 RSI: 00002000000054c0 RDI: 0000000000000005
RBP: 00007fbbe4011e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fbbe41d6038 R14: 00007fbbe41d5fa0 R15: 00007ffefa2f9a78
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g23117 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=11914
rcu: rcu_preempt kthread starved for 10502 jiffies! g23117 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1
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:I stack:26896 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>
