rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (1 GPs behind) idle=23cc/1/0x4000000000000000 softirq=67422/67423 fqs=4101
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   971921          0            0
rcu: 	cputime:    31571      20908           97   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=62165 q=3214 ncpus=2)
CPU: 1 UID: 0 PID: 15766 Comm: syz.9.2691 Not tainted 6.16.0-syzkaller-11113-gf3af62b6cee8-dirty #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+0x395/0x2390
Code: e0 48 c1 e8 03 0f b6 04 28 84 c0 0f 85 6d 19 00 00 4c 89 e8 48 c1 e8 03 0f b6 04 28 84 c0 0f 85 80 19 00 00 41 0f b6 44 24 01 <83> e0 07 0f 84 75 15 00 00 83 f8 01 4c 8b 7c 24 48 48 bd 00 00 00
RSP: 0018:ffffc900001dfd38 EFLAGS: 00000246
RAX: 0000000000000002 RBX: ffffffff90272bb0 RCX: ffffffff90272bb4
RDX: ffffffff90db2d9a RSI: ffffffff90db2d9a RDI: ffffffff8be2fca0
RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffffff8172c025
R10: ffffc900001dfe58 R11: ffffffff81ac3130 R12: ffffffff90db2d9e
R13: ffffffff90db2d9f R14: ffffc900001dfe08 R15: ffffffff90272bb0
FS:  00007f38a288f6c0(0000) GS:ffff8881a3c27000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f65abf185b0 CR3: 000000011fc72000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_noprof+0x27a/0x4f0
 cfg80211_inform_single_bss_data+0x905/0x1ac0
 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:finish_task_switch+0x26b/0x950
Code: 0f 84 3c 01 00 00 48 85 db 0f 85 63 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 4c 89 e7 e8 ef 84 e9 09 e8 9a 38 36 00 fb 4c 8b 65 c0 <49> 8d bc 24 18 16 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0
RSP: 0018:ffffc90003d1f218 EFLAGS: 00000286
RAX: e2fae0aba95a0d00 RBX: 0000000000000000 RCX: e2fae0aba95a0d00
RDX: 0000000000000000 RSI: ffffffff8d9b18ae RDI: ffffffff8be2fd00
RBP: ffffc90003d1f270 R08: ffffffff8fa32337 R09: 1ffffffff1f46466
R10: dffffc0000000000 R11: fffffbfff1f46467 R12: ffff8880225b1cc0
R13: dffffc0000000000 R14: ffff888021668000 R15: ffff88813663ab58
 __schedule+0x17a0/0x4cc0
 schedule+0x165/0x360
 schedule_timeout+0x9a/0x270
 wait_woken+0xbd/0x1b0
 __inet_stream_connect+0x8f4/0xe80
 mptcp_sendmsg_fastopen+0x2a5/0x580
 mptcp_sendmsg+0x176c/0x1970
 __sock_sendmsg+0xe5/0x270
 ____sys_sendmsg+0x505/0x830
 ___sys_sendmsg+0x21f/0x2a0
 __x64_sys_sendmsg+0x19b/0x260
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f38a198ebe9
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:00007f38a288f038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f38a1bb5fa0 RCX: 00007f38a198ebe9
RDX: e07e872420dfef8a RSI: 0000200000000b00 RDI: 0000000000000004
RBP: 00007f38a1a11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f38a1bb6038 R14: 00007f38a1bb5fa0 R15: 00007ffdf8f0cc38
 </TASK>
clocksource: Long readout interval, skipping watchdog check: cs_nsec: 80017950015 wd_nsec: 80017951911
