rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10465 ticks this GP) idle=c4fc/1/0x4000000000000000 softirq=191380/191384 fqs=5246
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1130703        872            0
rcu: 	cputime:    32838      19639           62   ==> 52490(ms)
rcu: 	(t=10501 jiffies g=167009 q=2037 ncpus=2)
CPU: 1 UID: 0 PID: 5630 Comm: syz.0.9571 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:__sanitizer_cov_trace_switch+0x96/0x130
Code: 41 54 53 48 8b 54 24 20 65 4c 8b 05 5c 2c 56 11 45 31 c9 eb 08 49 ff c1 4c 39 c8 74 77 4e 8b 54 ce 10 65 44 8b 1d 6a 2c 56 11 <41> 81 e3 00 01 ff 00 74 13 41 81 fb 00 01 00 00 75 d9 41 83 b8 94
RSP: 0018:ffffc90000a07b38 EFLAGS: 00000202
RAX: 0000000000000028 RBX: 0000000000000008 RCX: 0000000000000001
RDX: ffffffff8b2cf6b2 RSI: ffffffff8fe89c80 RDI: 0000000000000000
RBP: ffffc90000a07f70 R08: ffff8881157257c0 R09: 0000000000000002
R10: 0000000000000002 R11: 0000000000000302 R12: ffff8881972fe41d
R13: ffff8881972fe445 R14: dffffc0000000000 R15: 0000000000000000
FS:  00007ffa192706c0(0000) GS:ffff8882a9463000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005586d6da8e18 CR3: 000000018ea82000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 _ieee802_11_parse_elems_full+0x882/0x4380
 ieee802_11_parse_elems_full+0x1226/0x2ab0
 ieee80211_inform_bss+0x161/0x1160
 cfg80211_inform_single_bss_data+0xd08/0x1b70
 cfg80211_inform_bss_data+0x266/0x3c40
 cfg80211_inform_bss_frame_data+0x3c7/0x760
 ieee80211_bss_info_update+0x794/0xa40
 ieee80211_scan_rx+0x552/0xa40
 ieee80211_rx_list+0x29e5/0x3710
 ieee80211_rx_napi+0x1b1/0x3e0
 ieee80211_handle_queued_frames+0xe8/0x1e0
 tasklet_action_common+0x2da/0x4b0
 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:printk_percpu_data_ready+0x0/0x20
Code: 48 c7 c7 c0 80 63 8e 89 de 5b e9 ab 14 06 00 e8 d6 7a 21 00 90 0f 0b 90 eb c2 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <0f> 1f 40 d6 e8 b7 7a 21 00 0f b6 05 68 bc 76 0c e9 9b a5 0c 0a cc
RSP: 0018:ffffc90008eb69d8 EFLAGS: 00000293
RAX: ffffffff8bae4b55 RBX: ffffc90008eb6ac0 RCX: ffff8881157257c0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 00000000ffffffff
RBP: ffffc90008eb6b30 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1cbd60c R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000081a4ae01 R15: 0000000081a4ae01
 nbcon_get_cpu_emergency_nesting+0xa/0x40
 nbcon_get_default_prio+0x2e/0x80
 printk_get_console_flush_type+0x22/0x4f0
 console_flush_all+0xfb/0xb20
 console_unlock+0xd1/0x1c0
 vprintk_emit+0x485/0x560
 _printk+0xdd/0x130
 __nla_validate_parse+0x1774/0x2dc0
 __nla_parse+0x40/0x60
 rtnl_newlink+0x202/0x1be0
 rtnetlink_rcv_msg+0x7d5/0xbe0
 netlink_rcv_skb+0x232/0x4b0
 netlink_unicast+0x80f/0x9b0
 netlink_sendmsg+0x813/0xb40
 ____sys_sendmsg+0x972/0x9f0
 ___sys_sendmsg+0x2a5/0x360
 __x64_sys_sendmsg+0x1bd/0x2a0
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ffa1839c799
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:00007ffa19270028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007ffa18615fa0 RCX: 00007ffa1839c799
RDX: 0000000000000000 RSI: 0000200000000940 RDI: 0000000000000007
RBP: 00007ffa18432c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffa18616038 R14: 00007ffa18615fa0 R15: 00007ffec6ddf3d8
 </TASK>
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 5630 Comm: syz.0.9571 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:native_apic_msr_write+0x39/0x50
Code: 74 2a 83 ff 30 74 25 eb 10 81 ff d0 00 00 00 74 1b 81 ff e0 00 00 00 74 13 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 e9 50 d0 3b 0a cc 89 f6 31 d2 e9 f6 c2 76 03 66 0f 1f 44 00
RSP: 0018:ffffc90000a087e0 EFLAGS: 00000046
RAX: 0000000000000042 RBX: ffff88823c623e40 RCX: 0000000000000838
RDX: 0000000000000000 RSI: 0000000000000042 RDI: 0000000000000838
RBP: 0000000000000000 R08: ffffffff81b2ca85 R09: ffffffff9a2b7508
R10: 0000000000000003 R11: ffffffff8173caf0 R12: 0000000010004d2c
R13: dffffc0000000000 R14: 0000000000000042 R15: 0000000000000020
FS:  00007ffa192706c0(0000) GS:ffff8882a9463000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005586d6da8e18 CR3: 000000018ea82000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 lapic_next_event+0x11/0x20
 clockevents_program_event+0x1c9/0x350
 hrtimer_interrupt+0xb08/0x1010
 __sysvec_apic_timer_interrupt+0x102/0x460
 sysvec_apic_timer_interrupt+0x52/0xc0
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:mac80211_hwsim_addr_match+0x0/0x190
Code: 41 5d 41 5e 41 5f 5d e9 be ca aa 04 cc 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 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48
RSP: 0018:ffffc90000a08a58 EFLAGS: 00000246
RAX: ffffffff8705f444 RBX: ffff888176e0b398 RCX: ffff8881157257c0
RDX: 0000000000000100 RSI: ffff8881ad2c6354 RDI: ffff88816a3fb100
RBP: ffffc90000a08bf8 R08: 0000000000000000 R09: 0000000000000000
R10: ffff000000000000 R11: 00000000ffff0000 R12: 1ffff92000141160
R13: ffff88816a3fb100 R14: dffffc0000000000 R15: 000000000000004c
 mac80211_hwsim_tx_frame_no_nl+0xd21/0x11f0
 mac80211_hwsim_tx_frame+0x1b5/0x200
 mac80211_hwsim_beacon_tx+0x3e8/0x870
 __iterate_interfaces+0x2ab/0x590
 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180
 mac80211_hwsim_beacon+0xbb/0x180
 __hrtimer_run_queues+0x53a/0xcc0
 hrtimer_run_softirq+0x182/0x5a0
 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:console_flush_all+0x1ee/0xb20
Code: f6 20 00 49 8d 5f 48 49 89 dd 49 c1 ed 03 43 0f b6 44 25 00 84 c0 0f 85 3a 07 00 00 44 0f b7 23 45 89 e6 41 81 e6 00 01 00 00 <31> ff 44 89 f6 e8 98 f9 20 00 45 85 f6 75 57 48 89 5c 24 18 44 89
RSP: 0018:ffffc90008eb6a20 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffffff8f00a128 RCX: ffff8881157257c0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90008eb6b30 R08: ffffffff81a4a6e3 R09: ffffffff8e6380d8
R10: dffffc0000000000 R11: fffffbfff1cc6fe8 R12: 0000000000000016
R13: 1ffffffff1e01425 R14: 0000000000000000 R15: ffffffff8f00a0e0
 console_unlock+0xd1/0x1c0
 vprintk_emit+0x485/0x560
 _printk+0xdd/0x130
 __nla_validate_parse+0x1774/0x2dc0
 __nla_parse+0x40/0x60
 rtnl_newlink+0x202/0x1be0
 rtnetlink_rcv_msg+0x7d5/0xbe0
 netlink_rcv_skb+0x232/0x4b0
 netlink_unicast+0x80f/0x9b0
 netlink_sendmsg+0x813/0xb40
 ____sys_sendmsg+0x972/0x9f0
 ___sys_sendmsg+0x2a5/0x360
 __x64_sys_sendmsg+0x1bd/0x2a0
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ffa1839c799
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:00007ffa19270028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007ffa18615fa0 RCX: 00007ffa1839c799
RDX: 0000000000000000 RSI: 0000200000000940 RDI: 0000000000000007
RBP: 00007ffa18432c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffa18616038 R14: 00007ffa18615fa0 R15: 00007ffec6ddf3d8
 </TASK>
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 5630 Comm: syz.0.9571 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:strlen+0x3f/0x70
Code: 00 00 00 00 fc ff df 48 89 fb 49 89 c7 48 89 d8 48 c1 e8 03 42 0f b6 04 30 84 c0 75 11 48 ff c3 49 8d 47 01 42 80 7c 3f 01 00 <75> de eb 19 89 d9 80 e1 07 38 c1 7c e6 49 89 fc 48 89 df e8 d9 5f
RSP: 0018:ffffc90000a07c58 EFLAGS: 00000206
RAX: 0000000000000008 RBX: ffffffff8bce0089 RCX: 000000008bce0000
RDX: ffffffff81767de5 RSI: ffffffff8e75e3e0 RDI: ffffffff8bce0080
RBP: ffffc90000a07d80 R08: ffffc90008eb7028 R09: 0000000000000000
R10: ffffc90000a07f18 R11: fffff52000140fe5 R12: dffffc0000000000
R13: ffffffff81767de5 R14: dffffc0000000000 R15: 0000000000000007
FS:  00007ffa192706c0(0000) GS:ffff8882a9463000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005586d6da8e18 CR3: 000000018ea82000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 perf_trace_lock+0xd5/0x410
 lock_release+0x392/0x3d0
 unwind_next_frame+0x1aaa/0x23c0
 arch_stack_walk+0x11b/0x150
 stack_trace_save+0xa9/0x100
 kasan_save_track+0x3e/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_noprof+0x35c/0x760
 cfg80211_inform_single_bss_data+0x952/0x1b70
 cfg80211_inform_bss_data+0x266/0x3c40
 cfg80211_inform_bss_frame_data+0x3c7/0x760
 ieee80211_bss_info_update+0x794/0xa40
 ieee80211_scan_rx+0x552/0xa40
 ieee80211_rx_list+0x29e5/0x3710
 ieee80211_rx_napi+0x1b1/0x3e0
 ieee80211_handle_queued_frames+0xe8/0x1e0
 tasklet_action_common+0x2da/0x4b0
 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:__sanitizer_cov_trace_pc+0x8/0x70
Code: 8b 3d 24 42 55 0c 48 89 de 5b e9 03 9a 5e 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 <65> 48 8b 0d 48 32 56 11 65 8b 15 69 32 56 11 81 e2 00 01 ff 00 74
RSP: 0018:ffffc90008eb6638 EFLAGS: 00000202
RAX: ffffffff81a50cc3 RBX: 0000000000000000 RCX: ffff8881157257c0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90008eb6900
RBP: ffffc90008eb66f0 R08: ffffc90008eb67af R09: 0000000000000000
R10: ffffc90008eb6780 R11: fffff520011d6cf6 R12: 0000000000000000
R13: 0000000000000800 R14: ffffc90008eb6900 R15: dffffc0000000000
 info_print_prefix+0x103/0x360
 record_print_text+0x176/0x450
 printk_get_next_message+0x29c/0x880
 console_flush_all+0x501/0xb20
 console_unlock+0xd1/0x1c0
 vprintk_emit+0x485/0x560
 _printk+0xdd/0x130
 __nla_validate_parse+0x1774/0x2dc0
 __nla_parse+0x40/0x60
 rtnl_newlink+0x202/0x1be0
 rtnetlink_rcv_msg+0x7d5/0xbe0
 netlink_rcv_skb+0x232/0x4b0
 netlink_unicast+0x80f/0x9b0
 netlink_sendmsg+0x813/0xb40
 ____sys_sendmsg+0x972/0x9f0
 ___sys_sendmsg+0x2a5/0x360
 __x64_sys_sendmsg+0x1bd/0x2a0
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ffa1839c799
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:00007ffa19270028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007ffa18615fa0 RCX: 00007ffa1839c799
RDX: 0000000000000000 RSI: 0000200000000940 RDI: 0000000000000007
RBP: 00007ffa18432c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffa18616038 R14: 00007ffa18615fa0 R15: 00007ffec6ddf3d8
 </TASK>
