rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10498 ticks this GP) idle=6a64/1/0x4000000000000000 softirq=32376/32377 fqs=4857
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1062247          0            0
rcu: 	cputime:    29570      22918           49   ==> 52490(ms)
rcu: 	(t=10501 jiffies g=27129 q=3185 ncpus=2)
CPU: 1 UID: 0 PID: 9877 Comm: syz.7.1028 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:unwind_next_frame+0x484/0x23c0
Code: d2 84 c0 48 0f 45 d1 48 89 15 18 b0 ab 11 48 85 d2 0f 84 40 02 00 00 4c 8d 62 04 4c 8d 6a 05 4c 89 e0 48 c1 e8 03 0f b6 04 28 <84> c0 0f 85 66 18 00 00 4c 89 e8 48 c1 e8 03 0f b6 04 28 84 c0 0f
RSP: 0018:ffffc90000a07df8 EFLAGS: 00000a03
RAX: 0000000000000000 RBX: ffffffff90863450 RCX: ffffffff90863454
RDX: ffffffff91307522 RSI: ffffffff91307516 RDI: ffffffff8c27b3a0
RBP: dffffc0000000000 R08: 0000000000000003 R09: ffffffff8e75e3e0
R10: ffffc90000a07f18 R11: ffffffff81b0bfa0 R12: ffffffff91307526
R13: ffffffff91307527 R14: ffffc90000a07ec8 R15: ffffffff90863450
FS:  00007fab86cb76c0(0000) GS:ffff8882a9463000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000169d3c000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 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:preempt_schedule_irq+0x48/0xa0
Code: 49 be 00 00 00 00 00 fc ff df eb 09 48 f7 03 10 00 00 00 74 53 bf 01 00 00 00 e8 63 c5 e4 f5 e8 1e 60 1e f6 fb bf 01 00 00 00 <e8> c3 a6 ff ff 9c 58 fa a9 00 02 00 00 74 05 e8 f4 61 1e f6 bf 01
RSP: 0018:ffffc90007787750 EFLAGS: 00000206
RAX: 00000000000031dd RBX: 0000000000000000 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff8def4b7d RDI: 0000000000000001
RBP: 0000000000000000 R08: ffffffff90118bb7 R09: 1ffffffff2023176
R10: dffffc0000000000 R11: fffffbfff2023177 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
 irqentry_exit+0x599/0x620
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x36/0x90
Code: 08 2e 56 11 65 8b 0d 29 2e 56 11 81 e1 00 01 ff 00 74 11 81 f9 00 01 00 00 75 5b 83 ba 94 16 00 00 00 74 52 8b 8a 70 16 00 00 <83> f9 03 75 47 48 8b 8a 78 16 00 00 44 8b 8a 74 16 00 00 49 c1 e1
RSP: 0018:ffffc90007787870 EFLAGS: 00000246
RAX: ffffffff89be0edb RBX: ffff88816b7ff000 RCX: 0000000000000002
RDX: ffff88810276d7c0 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffffff89be0eaa R08: ffffffff89be0eaa R09: ffffffff8e75e3e0
R10: dffffc0000000000 R11: ffffed10338ecc01 R12: 0000000000000001
R13: 000000000000004f R14: ffff88816b7ff030 R15: ffff8881622893e0
 netlink_autobind+0x10b/0x300
 netlink_sendmsg+0x531/0xb40
 ____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: 0033:0x7fab85d9c799
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:00007fab86cb7028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fab86015fa0 RCX: 00007fab85d9c799
RDX: 0000000000000000 RSI: 0000200000000300 RDI: 000000000000000e
RBP: 00007fab85e32c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fab86016038 R14: 00007fab86015fa0 R15: 00007fffbad7a578
 </TASK>
sched: DL replenish lagged too much
clocksource: Long readout interval, skipping watchdog check: cs_nsec: 89322648847 wd_nsec: 89322650938
