rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10500 ticks this GP) idle=94d4/1/0x4000000000000000 softirq=23278/23278 fqs=5249
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1212760          0            0
rcu: 	cputime:    31065      21434           78   ==> 52510(ms)
rcu: 	(t=10502 jiffies g=18637 q=2978 ncpus=2)
CPU: 1 UID: 0 PID: 8319 Comm: syz.0.729 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:is_bpf_text_address+0x12a/0x2b0
Code: 0f 84 c1 00 00 00 4c 89 24 24 c1 e3 03 8d 2c 5b 48 f7 dd 4d 8d 24 2f 49 81 c4 e0 fd ff ff 4c 89 e0 48 c1 e8 03 42 80 3c 28 00 <74> 08 4c 89 e7 e8 cc 7f 54 00 4d 8b 24 24 4c 89 e7 4c 89 f6 e8 dd
RSP: 0018:ffffc900001dfef0 EFLAGS: 00000246
RAX: 1ffff110061de040 RBX: 0000000000000000 RCX: ffff888032159cc0
RDX: 0000000000000100 RSI: 00007f4c8018eba9 RDI: ffffffffa00008f0
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff81cea0b6
R10: ffffc900001dffd8 R11: ffffffff81ac3930 R12: ffff888030ef0200
R13: dffffc0000000000 R14: 00007f4c8018eba9 R15: ffff888030ef0420
FS:  00007f4c810506c0(0000) GS:ffff8881a3c1c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000029c0 CR3: 0000000028bb0000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 kernel_text_address+0xa5/0xe0
 __kernel_text_address+0xd/0x40
 unwind_get_return_address+0x4d/0x90
 arch_stack_walk+0xfc/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_stack+0x3e/0x60
 kasan_record_aux_stack+0xbd/0xd0
 call_rcu+0x157/0x9c0
 __dev_queue_xmit+0x85c/0x3b50
 ip6_finish_output2+0x11fe/0x16a0
 ndisc_send_skb+0xb54/0x1440
 addrconf_rs_timer+0x369/0x670
 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_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__asan_memset+0x15/0x50
Code: 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 56 53 48 89 d3 89 f5 49 89 fe 48 8b 4c 24 18 <48> 89 d6 ba 01 00 00 00 e8 7e e4 ff ff 84 c0 74 11 4c 89 f7 89 ee
RSP: 0018:ffffc90002cefbc0 EFLAGS: 00000246
RAX: ffffffff81b3d8c3 RBX: 0000000000000018 RCX: ffffffff81b3d8d2
RDX: 0000000000000018 RSI: 0000000000000000 RDI: ffffc90002cefc40
RBP: 0000000000000000 R08: ffff888032159cc0 R09: 000000000000000d
R10: 000000000000000d R11: 0000000000000002 R12: 0000000000000002
R13: 00007f4c803d5fac R14: ffffc90002cefc40 R15: 00000000ffffffff
 futex_wake+0xa2/0x560
 do_futex+0x395/0x420
 __se_sys_futex+0x36f/0x400
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4c8018eba9
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:00007f4c810500e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f4c803d5fa8 RCX: 00007f4c8018eba9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f4c803d5fac
RBP: 00007f4c803d5fa0 R08: 7fffffffffffffff R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4c803d6038 R14: 00007ffd7fed7f20 R15: 00007ffd7fed8008
 </TASK>
sched: DL replenish lagged too much
clocksource: Long readout interval, skipping watchdog check: cs_nsec: 105631995679 wd_nsec: 105632001435
