rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10500 ticks this GP) idle=6a04/1/0x4000000000000000 softirq=59404/59404 fqs=5227
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   928694          0            0
rcu: 	cputime:    33469      19030           54   ==> 52510(ms)
rcu: 	(t=10502 jiffies g=52593 q=3087 ncpus=2)
CPU: 0 UID: 0 PID: 16270 Comm: syz.0.2766 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:lock_acquire+0x20b/0x2e0
Code: e9 30 ff ff ff e8 35 59 0c 0a f7 c3 00 02 00 00 0f 84 38 ff ff ff 65 48 8b 05 b1 46 7a 11 48 3b 44 24 30 75 33 fb 48 83 c4 38 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 16 3f 0f 0a cc 48 8d 3d 3e 55 73
RSP: 0018:ffffc90000007600 EFLAGS: 00000296
RAX: bba68275f5faa800 RBX: 0000000000000246 RCX: 0000000000000101
RDX: 000000002c896f2a RSI: ffffffff8e1655a0 RDI: ffffffff8c27b400
RBP: 0000000000000000 R08: ffffffff81af345d R09: ffffffff8e75e3e0
R10: ffffc90000007718 R11: ffffffff81b0bfa0 R12: 0000000000000002
R13: ffffffff8e75e3e0 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fa717dca6c0(0000) GS:ffff88818de63000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000011c0 CR3: 00000001bbcec000 CR4: 00000000000006f0
DR0: 0000200000000100 DR1: 0000200000000100 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 000000000000060a
Call Trace:
 <IRQ>
 is_module_text_address+0x39/0x1e0
 kernel_text_address+0x94/0xe0
 __kernel_text_address+0xd/0x30
 unwind_get_return_address+0x4d/0x90
 arch_stack_walk+0xfb/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
 new_skb+0x2f/0x2b0
 aoecmd_cfg+0x2b1/0x800
 call_timer_fn+0x192/0x640
 __run_timer_base+0x652/0x8b0
 run_timer_softirq+0xb7/0x170
 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:finish_task_switch+0x245/0x920
Code: 00 00 48 85 db 0f 85 e8 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 49 83 c4 48 4c 89 e7 e8 85 89 1b 0a e8 b0 8e 38 00 fb 4c 8b 65 c0 <49> 8d bc 24 70 16 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0
RSP: 0018:ffffc90007b9f878 EFLAGS: 00000206
RAX: 000000000000037b RBX: 0000000000000000 RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff8def4b84 RDI: ffffffff8c27b400
RBP: ffffc90007b9f8d0 R08: ffffffff90118bb7 R09: 1ffffffff2023176
R10: dffffc0000000000 R11: fffffbfff2023177 R12: ffff88817407d7c0
R13: dffffc0000000000 R14: ffff8881ad87ba80 R15: ffff88812103b918
 __schedule+0x15e5/0x52d0
 preempt_schedule_irq+0x4d/0xa0
 irqentry_exit+0x599/0x620
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__might_resched+0xd/0x4d0
Code: 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 41 57 41 56 41 55 41 54 <53> 48 83 ec 20 89 d3 89 74 24 04 48 89 7c 24 08 e8 3e 75 18 0a 85
RSP: 0018:ffffc90007b9fc00 EFLAGS: 00000282
RAX: 0000000000000000 RBX: 0000000000000dc0 RCX: ffff88817407d7c0
RDX: 0000000000000000 RSI: 0000000000000143 RDI: ffffffff8df8dac7
RBP: 0000000000000dc0 R08: ffffffff82216b1c R09: ffffffff8e897ae0
R10: 000000000000000c R11: ffffffff81b0bfa0 R12: ffff888100041780
R13: dffffc0000000000 R14: 0000000000000018 R15: 0000000000000005
 __kmalloc_noprof+0xd9/0x760
 security_sk_alloc+0x52/0x360
 sk_prot_alloc+0x101/0x210
 sk_alloc+0x3a/0x390
 __netlink_create+0x65/0x260
 netlink_create+0x3ca/0x590
 __sock_create+0x4b2/0x9d0
 __sys_socket+0xd6/0x1b0
 __x64_sys_socket+0x7a/0x90
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa716f9c799
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:00007fa717dca028 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007fa717215fa0 RCX: 00007fa716f9c799
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000010
RBP: 00007fa717032c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa717216038 R14: 00007fa717215fa0 R15: 00007ffc5c663bf8
 </TASK>
sched: DL replenish lagged too much
