rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10499 ticks this GP) idle=9784/1/0x4000000000000000 softirq=12693/12693 fqs=5222
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1273268          1            0
rcu: 	cputime:    35112      17366           34   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=8957 q=4524 ncpus=2)
CPU: 0 UID: 0 PID: 5909 Comm: syz.2.9 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:rcu_read_unlock_special+0x1d/0x480
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 55 41 57 41 56 41 55 41 54 53 48 83 ec 10 65 8b 2d 8b ad 4d 11 f7 c5 00 00 f0 00 74 14 <48> 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 49 89
RSP: 0018:ffffc900000073e0 EFLAGS: 00000206
RAX: 0000000000000002 RBX: 0000000000000246 RCX: 0000000000000101
RDX: 0000000000000000 RSI: ffffffff8dcf1fb8 RDI: ffffffff8c076d00
RBP: ffff88818e0a4000 R08: ffffffff8ff0e0b7 R09: 1ffffffff1fe1c16
R10: dffffc0000000000 R11: fffffbfff1fe1c17 R12: ffffffff8e565cb8
R13: dffffc0000000000 R14: ffff88812103bd98 R15: 1ffff110242077b3
FS:  00007f95315f66c0(0000) GS:ffff88818e0a4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30415ff8 CR3: 000000016bbd8000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 __rcu_read_unlock+0x83/0xe0
 unwind_next_frame+0x1aaf/0x23c0
 arch_stack_walk+0x11b/0x150
 stack_trace_save+0xa9/0x100
 kasan_save_track+0x3e/0x80
 __kasan_slab_alloc+0x6c/0x80
 kmem_cache_alloc_node_noprof+0x384/0x690
 __alloc_skb+0x27d/0x7d0
 napi_alloc_skb+0x84/0x7a0
 e1000_clean_rx_irq+0x448/0x11a0
 e1000_clean+0xcaa/0x2b10
 __napi_poll+0xae/0x320
 net_rx_action+0x696/0xe30
 handle_softirqs+0x22a/0x870
 __irq_exit_rcu+0x5f/0x150
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:preempt_schedule_common+0x89/0xd0
Code: 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 4b dc 9c f6 49 89 1e bf 01 00 00 00 e8 6e aa ff ff 65 8b 05 37 4f 68 07 <65> ff 0d 30 4f 68 07 65 48 8b 1d 00 4f 68 07 48 89 d8 48 c1 e8 03
RSP: 0018:ffffc900054f6868 EFLAGS: 00000246
RAX: 0000000080000001 RBX: ffffffff8133ae06 RCX: 0000000080000002
RDX: 0000000000000000 RSI: ffffffff8c076ce0 RDI: ffffffff8c076ca0
RBP: ffffc900054f68d0 R08: ffffffff8ff0e0b7 R09: 1ffffffff1fe1c16
R10: dffffc0000000000 R11: fffffbfff1fe1c17 R12: ffffffff8e565d20
R13: ffffffff8e565c40 R14: ffff888109b16c08 R15: dffffc0000000000
 preempt_schedule_thunk+0x16/0x30
 _raw_spin_unlock_irqrestore+0x74/0x80
 rcu_preempt_deferred_qs_irqrestore+0x7b9/0xbc0
 __rcu_read_unlock+0x83/0xe0
 unwind_next_frame+0x1aaf/0x23c0
 arch_stack_walk+0x11b/0x150
 stack_trace_save+0xa9/0x100
 save_stack+0x122/0x230
 __set_page_owner+0x8d/0x4c0
 post_alloc_hook+0x231/0x280
 get_page_from_freelist+0x24dc/0x2580
 __alloc_frozen_pages_noprof+0x18d/0x380
 alloc_pages_bulk_noprof+0x558/0x700
 __kasan_populate_vmalloc+0xc1/0x1d0
 alloc_vmap_area+0xd73/0x14b0
 __get_vm_area_node+0x1f8/0x300
 __vmalloc_node_range_noprof+0x372/0x1730
 vzalloc_noprof+0xb2/0xe0
 bpf_check+0x1ae/0x1cdd0
 bpf_prog_load+0x1484/0x1ae0
 __sys_bpf+0x618/0x950
 __x64_sys_bpf+0x7c/0x90
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f953339acb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f95315f6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f9533615fa0 RCX: 00007f953339acb9
RDX: 0000000000000090 RSI: 00002000000004c0 RDI: 0000000000000005
RBP: 00007f9533408bf7 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9533616038 R14: 00007f9533615fa0 R15: 00007fff3dd17038
 </TASK>
clocksource: Long readout interval, skipping watchdog check: cs_nsec: 104563267332 wd_nsec: 104563268469
