rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (1 GPs behind) idle=34a4/1/0x4000000000000000 softirq=35808/35810 fqs=5019
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1233113          0            0
rcu: 	cputime:    30332      22151           76   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=29621 q=2347 ncpus=2)
CPU: 1 UID: 0 PID: 9705 Comm: syz.7.942 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:unwind_get_return_address+0x48/0x90
Code: 0f b6 04 30 84 c0 75 4c 83 3b 00 74 3a 48 83 c3 48 49 89 df 49 c1 ef 03 43 80 3c 37 00 74 08 48 89 df e8 cb 1a b1 00 48 8b 3b <e8> a3 c5 19 00 85 c0 74 14 43 80 3c 37 00 74 08 48 89 df e8 b0 1a
RSP: 0000:ffffc900001e0348 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffc900001e03b0 RCX: 812eee927c743c00
RDX: 0000000000000001 RSI: ffffffff8dbaa5db RDI: ffffffff82193c80
RBP: ffffc900001e03f0 R08: ffffc900001e06f0 R09: 0000000000000000
R10: ffffc900001e03b8 R11: fffff5200003c079 R12: ffff88810aeb1cc0
R13: 0000000000000001 R14: dffffc0000000000 R15: 1ffff9200003c076
FS:  00007f1cd1c9d6c0(0000) GS:ffff8881a3c11000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ef1cffc CR3: 0000000032f7a000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 arch_stack_walk+0xfc/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 __kasan_slab_alloc+0x6c/0x80
 kmem_cache_alloc_bulk_noprof+0x4e0/0x790
 napi_skb_cache_get+0x3cb/0x6d0
 __alloc_skb+0x11e/0x2d0
 napi_alloc_skb+0x84/0x7d0
 e1000_clean_rx_irq+0x448/0x1170
 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
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:preempt_schedule_irq+0xb0/0x150
Code: 24 20 f6 44 24 21 02 74 0c 90 0f 0b 48 f7 03 08 00 00 00 74 64 bf 01 00 00 00 e8 eb ce 13 f6 e8 b6 2b 4b f6 fb bf 01 00 00 00 <e8> 5b ab ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0000:ffffc90006877dc0 EFLAGS: 00000282
RAX: 812eee927c743c00 RBX: 0000000000000000 RCX: 812eee927c743c00
RDX: 0000000000000000 RSI: ffffffff8d9baf27 RDI: 0000000000000001
RBP: ffffc90006877e70 R08: ffffffff8fa3b537 R09: 1ffffffff1f476a6
R10: dffffc0000000000 R11: fffffbfff1f476a7 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000d0efb8
 irqentry_exit+0x6f/0x90
 asm_sysvec_irq_work+0x1a/0x20
RIP: 0010:irqentry_exit_to_user_mode+0x51/0x120
Code: 07 85 c0 0f 85 c3 00 00 00 e8 cb 38 2f f6 65 4c 8b 34 25 08 f0 a0 92 49 8b 3e f7 c7 1e 30 02 00 74 53 49 89 ff e8 bf 37 2f f6 <4c> 89 f8 a8 18 74 08 e8 03 1b 01 00 4c 89 f8 a9 00 10 00 00 74 0b
RSP: 0000:ffffc90006877f38 EFLAGS: 00000286
RAX: 812eee927c743c00 RBX: ffffc90006877f58 RCX: 812eee927c743c00
RDX: 0000000000000000 RSI: ffffffff8d9baf27 RDI: ffffffff8be34480
RBP: 0000000000000000 R08: ffffffff8fa3b537 R09: 1ffffffff1f476a6
R10: dffffc0000000000 R11: fffffbfff1f476a7 R12: 0000000000000000
R13: 0000000000000000 R14: ffff88810aeb1cc0 R15: 0000000000000008
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0033:0x7f1cd0c543f8
Code: c4 08 c3 0f 1f 80 00 00 00 00 48 83 ec 08 48 89 f2 48 63 ff 4c 89 d6 41 51 31 c0 4d 89 c1 49 89 c8 4c 89 d9 e8 19 a8 13 00 5a <59> 48 83 c4 08 c3 66 90 41 57 41 56 41 55 49 89 f5 41 54 49 29 fd
RSP: 002b:00007f1cd1c9d048 EFLAGS: 00000217
RAX: 0000000000000000 RBX: 00007f1cd0fd5fa0 RCX: 00007f1cd0d8ec29
RDX: 0000000000000000 RSI: 0000000000005452 RDI: 0000000000000003
RBP: 00007f1cd0e11e41 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1cd0fd6038 R14: 00007f1cd0fd5fa0 R15: 00007ffcf7231ac8
 </TASK>
