rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10500 ticks this GP) idle=e954/1/0x4000000000000000 softirq=36049/36049 fqs=4257
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   930003          0            0
rcu: 	cputime:    24695      27784          110   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=19013 q=1804 ncpus=2)
CPU: 0 UID: 0 PID: 8704 Comm: syz.2.885 Not tainted 6.16.0-rc6-syzkaller-00411-g95993dc3039e-dirty #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:get_random_u8+0x4e7/0x940
Code: 00 02 00 00 75 7f e8 98 08 76 fc 48 8b 5c 24 28 4d 85 ff 75 07 e8 89 08 76 fc eb 06 e8 82 08 76 fc fb 0f b6 84 24 00 01 00 00 <48> c7 44 24 40 0e 36 e0 45 42 c7 04 23 00 00 00 00 4a c7 44 23 0c
RSP: 0018:ffffc90000007220 EFLAGS: 00000246
RAX: 00000000000000cc RBX: 1ffff92000000e4c RCX: ffff888028439cc0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000007390 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: dffffc0000000000
R13: 0000000000000000 R14: ffff88804b0360f0 R15: 0000000000000200
FS:  00007f97a52986c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f97a45b5f80 CR3: 000000010d790000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000002000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 kfence_guarded_alloc+0x9d/0xc70
 __kfence_alloc+0x385/0x3b0
 kmem_cache_alloc_node_noprof+0x315/0x3c0
 __alloc_skb+0x112/0x2d0
 arp_create+0x189/0x990
 arp_send_dst+0xa7/0x2d0
 arp_solicit+0xc1d/0xe60
 neigh_timer_handler+0xab2/0x1030
 call_timer_fn+0x17e/0x5f0
 __run_timer_base+0x61a/0x860
 run_timer_softirq+0xb7/0x180
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_irq_work+0xa3/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x1a/0x20
RIP: 0010:finish_task_switch+0x26b/0x950
Code: 0f 84 3c 01 00 00 48 85 db 0f 85 63 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 4c 89 e7 e8 0f 1a df 09 e8 ba b9 35 00 fb 4c 8b 65 c0 <49> 8d bc 24 18 16 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0
RSP: 0018:ffffc900074ce658 EFLAGS: 00000282
RAX: e2fb56393bdd5100 RBX: 0000000000000000 RCX: e2fb56393bdd5100
RDX: 0000000000000006 RSI: ffffffff8d99883e RDI: ffffffff8be29f40
RBP: ffffc900074ce6b0 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: ffff888028439cc0
R13: dffffc0000000000 R14: ffff888107d99cc0 R15: ffff88804b03ab98
 __schedule+0x16fd/0x4d00
 preempt_schedule_irq+0xb5/0x150
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:bpq_device_event+0x65/0x600
Code: 2e 4d 8d b5 08 01 00 00 e8 68 52 c8 04 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 a2 0e 7d fb 49 81 3e c0 c4 fc 99 <74> 17 e8 54 eb 19 fb 31 c0 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc
RSP: 0018:ffffc900074cea40 EFLAGS: 00000283
RAX: 1ffff1102214f821 RBX: 0000000000000004 RCX: ffff888028439cc0
RDX: ffffc90007cd9000 RSI: 000000000000972f RDI: 0000000000009730
RBP: 00000000ffffffdb R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: ffffffff86a63d30 R12: dffffc0000000000
R13: ffff888110a7c000 R14: ffff888110a7c108 R15: 1ffffffff1d9e570
 notifier_call_chain+0x1b6/0x3e0
 __dev_notify_flags+0x21b/0x2e0
 netif_change_flags+0xe8/0x1a0
 do_setlink+0xc55/0x41c0
 rtnl_newlink+0x160b/0x1c70
 rtnetlink_rcv_msg+0x7cf/0xb70
 netlink_rcv_skb+0x208/0x470
 netlink_unicast+0x75c/0x8e0
 netlink_sendmsg+0x805/0xb30
 __sock_sendmsg+0x21c/0x270
 ____sys_sendmsg+0x505/0x830
 ___sys_sendmsg+0x21f/0x2a0
 __x64_sys_sendmsg+0x19b/0x260
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f97a438e9a9
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:00007f97a5298038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f97a45b5fa0 RCX: 00007f97a438e9a9
RDX: 0300000004000800 RSI: 0000200000000180 RDI: 0000000000000005
RBP: 00007f97a4410d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f97a45b5fa0 R15: 00007fffdf5fb648
 </TASK>
sched: DL replenish lagged too much
