rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P7085/1:b..l
rcu: 	(detected by 1, t=10503 jiffies, g=13541, q=589 ncpus=2)
task:syz.0.307       state:R  running task     stack:21744 pid:7085  tgid:7072  ppid:5855   task_flags:0x400140 flags:0x00004002
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 preempt_schedule_common+0x83/0xd0
 preempt_schedule+0xae/0xc0
 preempt_schedule_thunk+0x16/0x30
 __local_bh_enable_ip+0x13e/0x1c0
 bpf_test_run_xdp_live+0x1868/0x1b10
 bpf_prog_test_run_xdp+0x713/0x1000
 bpf_prog_test_run+0x2c7/0x340
 __sys_bpf+0x581/0x870
 __x64_sys_bpf+0x7c/0x90
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4d2f78eba9
RSP: 002b:00007f4d306b7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f4d2f9d6090 RCX: 00007f4d2f78eba9
RDX: 0000000000000048 RSI: 0000200000000600 RDI: 000000000000000a
RBP: 00007f4d2f811e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4d2f9d6128 R14: 00007f4d2f9d6090 R15: 00007ffce0450eb8
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10490 jiffies! g13541 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=0 timer-softirq=5526
rcu: rcu_preempt kthread starved for 10491 jiffies! g13541 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->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:I stack:27160 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:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 7099 Comm: syz.4.312 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:do_raw_spin_lock+0x36/0x290
Code: 41 55 41 54 53 48 83 e4 e0 48 81 ec 80 00 00 00 48 89 fb 65 48 8b 05 69 bc 02 11 48 89 44 24 60 49 bf 00 00 00 00 00 fc ff df <48> c7 44 24 20 b3 8a b5 41 48 c7 44 24 28 9d 40 b0 8d 48 c7 44 24
RSP: 0018:ffffc900000077c0 EFLAGS: 00000086
RAX: 8079128b0f886900 RBX: ffff88804b027a80 RCX: 8079128b0f886900
RDX: 0000000000000000 RSI: ffffffff8dba9b9a RDI: ffff88804b027a80
RBP: ffffc90000007870 R08: 0000000000000000 R09: ffffffff81ada78b
R10: dffffc0000000000 R11: ffffed1009604f51 R12: dffffc0000000000
R13: ffff88804b027b00 R14: 0000000000000802 R15: dffffc0000000000
FS:  00007f7b82d036c0(0000) GS:ffff8880b8613000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd0d241fe8 CR3: 0000000039eb0000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 _raw_spin_lock_irqsave+0xb3/0xf0
 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+0xa1/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:unwind_next_frame+0x340/0x2390
Code: 08 48 81 c3 50 a4 b1 8f 48 81 fb 50 a4 b1 8f 0f 83 48 11 00 00 48 c7 c0 50 a4 b1 8f 49 29 c5 48 c7 c6 08 ba 2a 90 49 c1 fd 02 <4a> 8d 14 6d 00 00 00 00 4c 01 ea 48 01 d2 48 01 f2 48 bd 00 00 00
RSP: 0018:ffffc9000308f7d8 EFLAGS: 00000202
RAX: ffffffff901139c0 RBX: ffffffff901139c4 RCX: ffffffff901139c8
RDX: ffffffff901139c0 RSI: ffffffff90ba1a30 RDI: ffffffff8be33e20
RBP: ffffffff901139c8 R08: 0000000000000002 R09: ffffffff8172d195
R10: ffffc9000308f8f8 R11: ffffffff81ac4d00 R12: ffffffff8959f629
R13: 0000000000000001 R14: ffffc9000308f8a8 R15: ffffffff901139c4
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_noprof+0x27a/0x4f0
 security_sk_alloc+0x52/0x390
 sk_prot_alloc+0x101/0x220
 sk_alloc+0x3a/0x370
 __netlink_create+0x65/0x260
 netlink_create+0x3ca/0x590
 __sock_create+0x4b3/0x9f0
 __sys_socket+0xd7/0x1b0
 __x64_sys_socket+0x7a/0x90
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7b81d8eba9
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:00007f7b82d03038 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007f7b81fd5fa0 RCX: 00007f7b81d8eba9
RDX: 000000000000000c RSI: 0000000000000003 RDI: 0000000000000010
RBP: 00007f7b81e11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7b81fd6038 R14: 00007f7b81fd5fa0 R15: 00007ffe21504328
 </TASK>
