rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1 GPs behind) idle=c61/1/0x4000000000000000 softirq=39270/39271 fqs=5157 
	(t=10500 jiffies g=52393 q=1187)
NMI backtrace for cpu 0
CPU: 0 PID: 17203 Comm: syz-executor.2 Not tainted 5.17.0-rc7-syzkaller-00199-g8e6ed963763f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x1e6/0x230 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
 rcu_dump_cpu_stacks+0x25e/0x3f0 kernel/rcu/tree_stall.h:343
 print_cpu_stall kernel/rcu/tree_stall.h:604 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:688 [inline]
 rcu_pending kernel/rcu/tree.c:3919 [inline]
 rcu_sched_clock_irq.cold+0x402/0x755 kernel/rcu/tree.c:2617
 update_process_times+0x16d/0x200 kernel/time/timer.c:1785
 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226
 tick_sched_timer+0x1b0/0x2d0 kernel/time/tick-sched.c:1428
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x1c0/0xe50 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1103
 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1097
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:kasan_check_range+0xe/0x180 mm/kasan/generic.c:188
Code: 00 00 89 43 0c e8 d2 e4 ff ff 89 43 08 5b 5d 41 5c c3 66 2e 0f 1f 84 00 00 00 00 00 48 85 f6 0f 84 3c 01 00 00 49 89 f9 41 54 <44> 0f b6 c2 49 01 f1 55 53 0f 82 18 01 00 00 48 b8 ff ff ff ff ff
RSP: 0018:ffffc9000475eee0 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 1ffff920008ebde0 RCX: ffffffff815d9338
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8d942d10
RBP: 0000000000000001 R08: 0000000000000001 R09: ffffffff8d942d10
R10: ffffffff88ea4ef1 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffff88801f59e918 R15: 0000000000000000
 instrument_atomic_read include/linux/instrumented.h:71 [inline]
 test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline]
 cpumask_test_cpu include/linux/cpumask.h:379 [inline]
 cpu_online include/linux/cpumask.h:921 [inline]
 trace_lock_acquire include/trace/events/lock.h:13 [inline]
 lock_acquire+0xb8/0x510 kernel/locking/lockdep.c:5610
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
 _raw_spin_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:178
 spin_lock_bh include/linux/spinlock.h:354 [inline]
 batadv_tt_local_purge+0x114/0x370 net/batman-adv/translation-table.c:1355
 batadv_tt_local_resize_to_mtu+0x8e/0x130 net/batman-adv/translation-table.c:3957
 batadv_hardif_activate_interface.part.0.cold+0x65/0x1ba net/batman-adv/hard-interface.c:662
 batadv_hardif_activate_interface net/batman-adv/hard-interface.c:753 [inline]
 batadv_hardif_enable_interface+0xa1c/0xb20 net/batman-adv/hard-interface.c:745
 batadv_softif_slave_add+0x64/0x130 net/batman-adv/soft-interface.c:839
 do_set_master+0x1c8/0x220 net/core/rtnetlink.c:2534
 __rtnl_newlink+0x13b0/0x1760 net/core/rtnetlink.c:3500
 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3531
 rtnetlink_rcv_msg+0x413/0xb80 net/core/rtnetlink.c:5596
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2494
 netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
 netlink_unicast+0x539/0x7e0 net/netlink/af_netlink.c:1343
 netlink_sendmsg+0x904/0xe00 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:705 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:725
 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2413
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2467
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2496
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fe51f0cf049
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe51da44168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fe51f1e1f60 RCX: 00007fe51f0cf049
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000013
RBP: 00007fe51f12908d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff84b7ed4f R14: 00007fe51da44300 R15: 0000000000022000
 </TASK>
----------------
Code disassembly (best guess):
   0:	00 00                	add    %al,(%rax)
   2:	89 43 0c             	mov    %eax,0xc(%rbx)
   5:	e8 d2 e4 ff ff       	callq  0xffffe4dc
   a:	89 43 08             	mov    %eax,0x8(%rbx)
   d:	5b                   	pop    %rbx
   e:	5d                   	pop    %rbp
   f:	41 5c                	pop    %r12
  11:	c3                   	retq
  12:	66 2e 0f 1f 84 00 00 	nopw   %cs:0x0(%rax,%rax,1)
  19:	00 00 00
  1c:	48 85 f6             	test   %rsi,%rsi
  1f:	0f 84 3c 01 00 00    	je     0x161
  25:	49 89 f9             	mov    %rdi,%r9
  28:	41 54                	push   %r12
* 2a:	44 0f b6 c2          	movzbl %dl,%r8d <-- trapping instruction
  2e:	49 01 f1             	add    %rsi,%r9
  31:	55                   	push   %rbp
  32:	53                   	push   %rbx
  33:	0f 82 18 01 00 00    	jb     0x151
  39:	48                   	rex.W
  3a:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
  3f:	ff                   	.byte 0xff