rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-...!: (10405 ticks this GP) idle=b16c/1/0x4000000000000000 softirq=16390/16392 fqs=0
rcu: 	(t=10500 jiffies g=6669 q=401 ncpus=2)
rcu: rcu_preempt kthread starved for 10500 jiffies! g6669 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:26792 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00004000
Call Trace:
 <TASK>
 __schedule+0x16f5/0x4d00
 schedule+0x165/0x360
 schedule_timeout+0x12b/0x270
 rcu_gp_fqs_loop+0x301/0x1540
 rcu_gp_kthread+0x99/0x390
 kthread+0x711/0x8a0
 ret_from_fork+0x3fc/0x770
 ret_from_fork_asm+0x1a/0x30
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 6254 Comm: syz.1.162 Not tainted 6.16.0-rc6-syzkaller-00434-gcd7c97f4584a-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:native_queued_spin_lock_slowpath+0xb7/0x8e0
Code: 00 00 00 0f 1f 44 00 00 4c 8d 74 24 60 49 89 df 49 c1 ef 03 41 bd 01 00 00 00 eb 06 89 44 24 60 f3 90 48 89 df be 04 00 00 00 <e8> c4 1d b2 f6 48 b8 00 00 00 00 00 fc ff df 41 0f b6 04 07 84 c0
RSP: 0018:ffffc9000417f800 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffff88801d2bd308 RCX: ffffffff8b71260c
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88801d2bd308
RBP: ffffc9000417f8f8 R08: ffff88801d2bd30b R09: 1ffff11003a57a61
R10: dffffc0000000000 R11: ffffed1003a57a62 R12: 1ffff9200082ff08
R13: 0000000000000001 R14: ffffc9000417f860 R15: 1ffff11003a57a61
FS:  0000555557b8d500(0000) GS:ffff8881a3c1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3201fffc CR3: 00000000288f6000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 queued_spin_lock_slowpath+0x43/0x50
 do_raw_spin_lock+0x21f/0x290
 futex_unqueue+0xf6/0x240
 __futex_wait+0x223/0x3e0
 futex_wait+0x104/0x360
 do_futex+0x333/0x420
 __se_sys_futex+0x36f/0x400
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f60bc98eb69
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:00007ffef0738388 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 000000000000e82f RCX: 00007f60bc98eb69
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f60bcbb5fac
RBP: 0000000000000032 R08: 7fffffffffffffff R09: 00000012f073867f
R10: 00007ffef0738480 R11: 0000000000000246 R12: 00007f60bcbb5fac
R13: 00007ffef0738480 R14: 000000000000e861 R15: 00007ffef07384a0
 </TASK>
CPU: 0 UID: 0 PID: 6255 Comm: syz.1.162 Not tainted 6.16.0-rc6-syzkaller-00434-gcd7c97f4584a-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+0x14c/0x2390
Code: 38 80 3c 28 00 74 08 4c 89 ef e8 ef 95 b0 00 49 8b 5d 00 48 85 db 74 23 48 81 c3 88 00 00 00 48 89 d8 48 c1 e8 03 0f b6 04 28 <84> c0 0f 85 45 1b 00 00 f6 03 03 0f 85 e4 17 00 00 49 8d 5e 35 48
RSP: 0018:ffffc900000069d8 EFLAGS: 00000a02
RAX: 0000000000000000 RBX: ffffc9000416fa60 RCX: b54ccb63e2913700
RDX: 0000000000000000 RSI: ffffffff8be29f60 RDI: ffffffff8be29f20
RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8172aae5
R10: ffffc90000006af8 R11: ffffffff81acf520 R12: 1ffff92000000d55
R13: ffffc90000006af8 R14: ffffc90000006aa8 R15: ffffffff8172aae5
FS:  00007f60bd78e6c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31f0bff8 CR3: 00000000288f6000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000f3060a
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
 ieee802_11_parse_elems_full+0x152/0x2aa0
 ieee80211_inform_bss+0x10c/0x10a0
 cfg80211_inform_single_bss_data+0xd05/0x1ac0
 cfg80211_inform_bss_data+0x1fb/0x3b20
 cfg80211_inform_bss_frame_data+0x3d7/0x730
 ieee80211_bss_info_update+0x746/0x9e0
 ieee80211_scan_rx+0x593/0xa20
 ieee80211_rx_list+0x22fc/0x2d80
 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:__sanitizer_cov_trace_pc+0x55/0x70
Code: 16 00 00 00 74 2c 8b 91 18 16 00 00 83 fa 02 75 21 48 8b 91 20 16 00 00 48 8b 32 48 8d 7e 01 8b 89 1c 16 00 00 48 39 cf 73 08 <48> 89 3a 48 89 44 f2 08 e9 7e 45 b1 09 cc 66 66 66 66 2e 0f 1f 84
RSP: 0018:ffffc9000416fa88 EFLAGS: 00000283
RAX: ffffffff8b697e60 RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffc900225db000 RSI: 0000000000000793 RDI: 0000000000000794
RBP: ffff88801d2bd348 R08: ffff88802138802b R09: 1ffff11004271005
R10: dffffc0000000000 R11: ffffed1004271006 R12: dffffc0000000000
R13: ffffc9000417fad0 R14: ffffc9000417faa0 R15: ffffc9000417faa8
 plist_check_list+0x20/0x330
 plist_del+0x6a/0x3f0
 __futex_unqueue+0xf0/0x160
 futex_wake_mark+0xe2/0x220
 futex_wake+0x37a/0x500
 do_futex+0x395/0x420
 __se_sys_futex+0x36f/0x400
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f60bc98eb69
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:00007f60bd78e0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f60bcbb5fa8 RCX: 00007f60bc98eb69
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f60bcbb5fac
RBP: 00007f60bcbb5fa0 R08: 7fffffffffffffff R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f60bcbb5fac
R13: 0000000000000000 R14: 00007ffef0738140 R15: 00007ffef0738228
 </TASK>
sched: DL replenish lagged too much
