rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10487 ticks this GP) idle=4944/1/0x4000000000000000 softirq=17819/20562 fqs=5229
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1197963       1829            0
rcu: 	cputime:    30999      21456           63   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=11457 q=3790 ncpus=2)
CPU: 0 UID: 0 PID: 6406 Comm: syz.2.131 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:call_rcu+0x73e/0x9c0
Code: 84 24 a1 00 00 00 02 75 62 f7 44 24 50 00 02 00 00 49 bc 00 00 00 00 00 fc ff df 74 01 fb 48 c7 84 24 80 00 00 00 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 66 43 c7 44 25 09 00 00 43 c6 44 25 0b
RSP: 0018:ffffc90000007320 EFLAGS: 00000206
RAX: 53a7e0a2c6a43900 RBX: ffff888027f0ec50 RCX: 53a7e0a2c6a43900
RDX: 0000000000000002 RSI: ffffffff8d9bb5e6 RDI: ffffffff8be34480
RBP: ffffc90000007450 R08: ffffffff8fa3c237 R09: 1ffffffff1f47846
R10: dffffc0000000000 R11: fffffbfff1f47847 R12: dffffc0000000000
R13: 1ffff92000000e74 R14: 1ffff1100960760e R15: 00000000000000ee
FS:  00007f27d28a76c0(0000) GS:ffff8880b860f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f27d27056c0 CR3: 0000000027492000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __dev_queue_xmit+0x85c/0x3b50
 ip6_finish_output2+0x11bc/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:memmove+0x18a/0x1b0
Code: 1f 4c 89 54 17 f8 eb 40 48 83 fa 04 72 12 44 8b 1e 44 8b 54 16 fc 44 89 1f 44 89 54 17 fc eb 28 48 83 fa 02 72 16 66 44 8b 1e <66> 44 8b 54 16 fe 66 44 89 1f 66 44 89 54 17 fe eb 0c 48 83 fa 01
RSP: 0018:ffffc9000454e598 EFLAGS: 00000202
RAX: ffffc9000454e8f2 RBX: ffffc9000454e8ef RCX: ffffffff8b77d96d
RDX: 0000000000000003 RSI: ffffc9000454e8ef RDI: ffffc9000454e8f2
RBP: 0000000000000003 R08: ffffc9000454e8f2 R09: 1ffff920008a9d1e
R10: dffffc0000000000 R11: fffff520008a3554 R12: 000000007ffffffb
R13: 0000000000000000 R14: 0000000000000003 R15: 000000007ffffffe
 move_right+0x5d/0xa0
 widen_string+0x85/0x2a0
 vsnprintf+0x739/0xf00
 sprintf+0xd9/0x120
 info_print_prefix+0x1f3/0x310
 record_print_text+0x154/0x420
 printk_get_next_message+0x26d/0x7b0
 console_flush_all+0x4ca/0xc40
 console_unlock+0xc4/0x270
 vprintk_emit+0x5b7/0x7a0
 _printk+0xcf/0x120
 __nla_validate_parse+0x2563/0x2d40
 __nla_parse+0x40/0x60
 rtnl_dump_ifinfo+0x2ed/0x1060
 rtnl_dumpit+0xa2/0x200
 netlink_dump+0x6e4/0xe90
 netlink_recvmsg+0x676/0xa30
 sock_recvmsg+0x22c/0x270
 ____sys_recvmsg+0x1c9/0x460
 ___sys_recvmsg+0x1b5/0x510
 __x64_sys_recvmsg+0x198/0x260
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f27d198ec29
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:00007f27d28a7038 EFLAGS: 00000246 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 00007f27d1bd6090 RCX: 00007f27d198ec29
RDX: 0000000000000000 RSI: 0000200000000900 RDI: 000000000000000c
RBP: 00007f27d1a11e41 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f27d1bd6128 R14: 00007f27d1bd6090 R15: 00007ffee56358c8
 </TASK>
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 6406 Comm: syz.2.131 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:sched_core_idle_cpu+0xf8/0x200
Code: 75 67 41 83 3e 00 75 1f 48 81 c3 88 00 00 00 48 89 d8 48 c1 e8 03 42 0f b6 04 20 84 c0 75 63 31 c0 83 3b 00 0f 94 c0 5b 41 5c <41> 5d 41 5e 41 5f 5d e9 7c 5f e5 09 cc 89 ee 48 c7 c7 40 dd ff 8d
RSP: 0018:ffffc900000075f8 EFLAGS: 00000083
RAX: 0000000000000000 RBX: ffff888106c15640 RCX: 53a7e0a2c6a43900
RDX: 0000000000010100 RSI: ffffffff8be34460 RDI: ffff88804b03aa88
RBP: 0000000000000000 R08: ffffffff8fa3c237 R09: 1ffffffff1f47846
R10: dffffc0000000000 R11: fffffbfff1f47847 R12: 0000000000000000
R13: 1ffffffff1b7c7a2 R14: ffff88804b03aa98 R15: ffff888106c15640
FS:  00007f27d28a76c0(0000) GS:ffff8880b860f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f27d27056c0 CR3: 0000000027492000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __irq_exit_rcu+0xd8/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0x57/0xc0
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:kasan_quarantine_put+0x88/0x220
Code: e8 0d 77 a3 ff 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 0f 85 88 00 00 00 41 f7 c7 00 02 00 00 74 01 fb 31 c0 <48> 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc cc 48 8d 80
RSP: 0018:ffffc90000007788 EFLAGS: 00000206
RAX: 53a7e0a2c6a43901 RBX: ffff888021170a80 RCX: 53a7e0a2c6a43900
RDX: 0000000000000002 RSI: ffffffff8d9bb5e6 RDI: ffffffff8be34480
RBP: 0000000000000000 R08: ffffffff8fa3c237 R09: 1ffffffff1f47846
R10: dffffc0000000000 R11: fffffbfff1f47847 R12: ffffea0000845c00
R13: 0000000000000000 R14: 000000000001f380 R15: 0000000000000282
 kmem_cache_free+0x18f/0x400
 skb_release_data+0x62d/0x7c0
 sk_skb_reason_drop+0x127/0x170
 hsr_forward_skb+0x1ac6/0x2860
 send_hsr_supervision_frame+0x612/0xb30
 hsr_announce+0x1d5/0x360
 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:console_flush_all+0x7f7/0xc40
Code: 48 21 c3 0f 85 e9 01 00 00 e8 75 4a 1f 00 48 8b 5c 24 20 4d 85 f6 75 07 e8 66 4a 1f 00 eb 06 e8 5f 4a 1f 00 fb 48 8b 44 24 28 <42> 80 3c 20 00 74 08 48 89 df e8 ea 6d 83 00 48 8b 1b 48 8b 44 24
RSP: 0018:ffffc9000454eb80 EFLAGS: 00000293
RAX: 1ffffffff1d36b6f RBX: ffffffff8e9b5b78 RCX: ffff888106c15640
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000454ecd0 R08: ffffffff8fa3c237 R09: 1ffffffff1f47846
R10: dffffc0000000000 R11: fffffbfff1f47847 R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000000200 R15: ffffffff8e9b5b20
 console_unlock+0xc4/0x270
 vprintk_emit+0x5b7/0x7a0
 _printk+0xcf/0x120
 __nla_validate_parse+0x2563/0x2d40
 __nla_parse+0x40/0x60
 rtnl_dump_ifinfo+0x2ed/0x1060
 rtnl_dumpit+0xa2/0x200
 netlink_dump+0x6e4/0xe90
 netlink_recvmsg+0x676/0xa30
 sock_recvmsg+0x22c/0x270
 ____sys_recvmsg+0x1c9/0x460
 ___sys_recvmsg+0x1b5/0x510
 __x64_sys_recvmsg+0x198/0x260
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f27d198ec29
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:00007f27d28a7038 EFLAGS: 00000246 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 00007f27d1bd6090 RCX: 00007f27d198ec29
RDX: 0000000000000000 RSI: 0000200000000900 RDI: 000000000000000c
RBP: 00007f27d1a11e41 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f27d1bd6128 R14: 00007f27d1bd6090 R15: 00007ffee56358c8
 </TASK>
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 6406 Comm: syz.2.131 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:rcu_segcblist_ready_cbs+0x2a/0x80
Code: 66 0f 1f 00 41 57 41 56 53 49 be 00 00 00 00 00 fc ff df 48 8d 5f 70 48 89 d8 48 c1 e8 03 42 0f b6 04 30 84 c0 75 3b f6 03 01 <75> 04 31 c0 eb 27 48 8d 47 08 48 89 c1 48 c1 e9 03 42 80 3c 31 00
RSP: 0018:ffffc90000006780 EFLAGS: 00000002
RAX: 0000000000000000 RBX: ffff88804b03b098 RCX: 53a7e0a2c6a43901
RDX: 0000000000000000 RSI: ffffffff8b8c0c40 RDI: ffff88804b03b028
RBP: ffffc90000006868 R08: ffffffff8fa3c237 R09: 1ffffffff1f47846
R10: dffffc0000000000 R11: fffffbfff1f47847 R12: ffff88804b03af80
R13: dffffc0000000000 R14: dffffc0000000000 R15: 0000000000002cc1
FS:  00007f27d28a76c0(0000) GS:ffff8880b860f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f27d27056c0 CR3: 0000000027492000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 rcu_sched_clock_irq+0x659/0x11b0
 update_process_times+0x23c/0x2f0
 tick_nohz_handler+0x39a/0x520
 __hrtimer_run_queues+0x4e0/0xc60
 hrtimer_interrupt+0x45b/0xaa0
 __sysvec_apic_timer_interrupt+0x10b/0x410
 sysvec_apic_timer_interrupt+0x52/0xc0
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:kernel_text_address+0x21/0xe0
Code: 90 90 90 90 90 90 90 90 90 66 0f 1f 00 55 41 56 53 48 81 ff 00 00 00 81 0f 93 c0 48 81 ff bc f3 7e 8b 0f 92 c1 bd 01 00 00 00 <84> c8 75 0c 48 89 fb e8 83 2f a7 ff 85 c0 74 0c 89 e8 5b 41 5e 5d
RSP: 0018:ffffc90000006c78 EFLAGS: 00000293
RAX: 0000000000000001 RBX: ffffffff8ace0a4b RCX: 53a7e0a2c6a43901
RDX: 0000000000000006 RSI: ffffffff8dbaacc4 RDI: ffffffff8ace0a4b
RBP: 0000000000000001 R08: ffffc900000073f0 R09: 0000000000000000
R10: ffffc90000006d18 R11: fffff52000000da5 R12: ffff888106c15640
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000000da2
 __kernel_text_address+0xd/0x40
 unwind_get_return_address+0x4d/0x90
 arch_stack_walk+0xfc/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 kasan_save_free_info+0x46/0x50
 __kasan_slab_free+0x5b/0x80
 kfree+0x18e/0x440
 ieee80211_inform_bss+0xbd9/0x10a0
 cfg80211_inform_single_bss_data+0xd05/0x1ac0
 cfg80211_inform_bss_data+0x1fb/0x3b30
 cfg80211_inform_bss_frame_data+0x3d7/0x730
 ieee80211_bss_info_update+0x746/0x9e0
 ieee80211_scan_rx+0x593/0xa20
 ieee80211_rx_list+0x201c/0x2a90
 ieee80211_rx_napi+0x1a8/0x3d0
 ieee80211_handle_queued_frames+0xe8/0x1f0
 tasklet_action_common+0x36c/0x580
 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:console_flush_all+0x80e/0xc40
Code: 07 e8 66 4a 1f 00 eb 06 e8 5f 4a 1f 00 fb 48 8b 44 24 28 42 80 3c 20 00 74 08 48 89 df e8 ea 6d 83 00 48 8b 1b 48 8b 44 24 38 <42> 0f b6 04 20 84 c0 0f 85 d0 01 00 00 48 8b 44 24 10 80 38 01 0f
RSP: 0018:ffffc9000454eb80 EFLAGS: 00000246
RAX: 1ffff920008a9da4 RBX: 00000000000009ea RCX: ffff888106c15640
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000454ecd0 R08: ffffffff8fa3c237 R09: 1ffffffff1f47846
R10: dffffc0000000000 R11: fffffbfff1f47847 R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000000200 R15: ffffffff8e9b5b20
 console_unlock+0xc4/0x270
 vprintk_emit+0x5b7/0x7a0
 _printk+0xcf/0x120
 __nla_validate_parse+0x2563/0x2d40
 __nla_parse+0x40/0x60
 rtnl_dump_ifinfo+0x2ed/0x1060
 rtnl_dumpit+0xa2/0x200
 netlink_dump+0x6e4/0xe90
 netlink_recvmsg+0x676/0xa30
 sock_recvmsg+0x22c/0x270
 ____sys_recvmsg+0x1c9/0x460
 ___sys_recvmsg+0x1b5/0x510
 __x64_sys_recvmsg+0x198/0x260
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f27d198ec29
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:00007f27d28a7038 EFLAGS: 00000246 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 00007f27d1bd6090 RCX: 00007f27d198ec29
RDX: 0000000000000000 RSI: 0000200000000900 RDI: 000000000000000c
RBP: 00007f27d1a11e41 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f27d1bd6128 R14: 00007f27d1bd6090 R15: 00007ffee56358c8
 </TASK>
