rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P5919/1:b..l
rcu: 	(detected by 1, t=10502 jiffies, g=11497, q=1399900 ncpus=2)
task:kworker/u8:11   state:R  running task     stack:25848 pid:5919  tgid:5919  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: events_unbound cfg80211_wiphy_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5533 [inline]
 __schedule+0x1259/0x6920 kernel/sched/core.c:7284
 preempt_schedule_irq+0x4e/0x90 kernel/sched/core.c:7606
 irqentry_exit_to_kernel_mode_preempt include/linux/irq-entry-common.h:468 [inline]
 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
 irqentry_exit+0x205/0xa10 kernel/entry/common.c:167
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:check_kcov_mode kernel/kcov.c:181 [inline]
RIP: 0010:write_comp_data+0x41/0xa0 kernel/kcov.c:242
Code: 81 13 48 63 d0 a9 00 01 00 ff 74 1e f6 c4 01 74 68 a9 00 00 00 0f 75 61 f7 c2 00 00 00 f0 75 59 8b 87 44 17 00 00 85 c0 74 4f <8b> 87 18 17 00 00 83 f8 03 75 44 48 8b 87 20 17 00 00 8b bf 1c 17
RSP: 0018:ffffc900055ef828 EFLAGS: 00000246
RAX: 8000000000000000 RBX: 000000000000000c RCX: ffffffff8b5597cb
RDX: 0000000000000000 RSI: 0000000000000005 RDI: ffff888076244b00
RBP: 0000000000000168 R08: 0000000000000006 R09: 0000000000000005
R10: 000000000000000c R11: 0000000000000001 R12: 0000000000000005
R13: 0000000000000005 R14: ffff888056c932a8 R15: 000000000000003c
 ieee80211_sta_get_rates+0x29b/0x5c0 net/mac80211/util.c:1621
 ieee80211_update_sta_info.isra.0+0x336/0x1230 net/mac80211/ibss.c:953
 ieee80211_rx_bss_info net/mac80211/ibss.c:1063 [inline]
 ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1546 [inline]
 ieee80211_ibss_rx_queued_mgmt+0xdea/0x1c70 net/mac80211/ibss.c:1573
 ieee80211_iface_process_skb net/mac80211/iface.c:1809 [inline]
 ieee80211_iface_work+0xa9a/0x1070 net/mac80211/iface.c:1863
 cfg80211_wiphy_work+0x2b7/0x550 net/wireless/core.c:564
 process_one_work+0xac7/0x1b10 kernel/workqueue.c:3396
 process_scheduled_works kernel/workqueue.c:3479 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3560
 kthread+0x373/0x450 kernel/kthread.c:436
 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
rcu: rcu_preempt kthread starved for 638 jiffies! g11497 f0x2 RCU_GP_WAIT_FQS(5) ->state=R ->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:27560 pid:17    tgid:17    ppid:2      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5533 [inline]
 __schedule+0x1259/0x6920 kernel/sched/core.c:7284
 __schedule_loop kernel/sched/core.c:7361 [inline]
 schedule+0xdd/0x2c0 kernel/sched/core.c:7376
 schedule_timeout+0x127/0x280 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x1a9/0x8f0 kernel/rcu/tree.c:2122
 rcu_gp_kthread+0x17a/0x220 kernel/rcu/tree.c:2330
 kthread+0x373/0x450 kernel/kthread.c:436
 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:64
Code: 97 96 02 e9 53 50 03 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 13 38 17 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
RSP: 0018:ffffc900001a7e00 EFLAGS: 00000242
RAX: 0000000000195e85 RBX: ffff88802068cb00 RCX: ffffffff8bd48275
RDX: 0000000000000001 RSI: ffffffff8e3e34fe RDI: ffffffff8c625580
RBP: ffffed10040d1960 R08: 0000000000000001 R09: ffffed10170667bd
R10: ffff8880b8333deb R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 1ffff92000034fc4 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888122a46000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe0be17adea CR3: 0000000074b8a000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 arch_safe_halt arch/x86/include/asm/paravirt.h:62 [inline]
 default_idle+0x9/0x10 arch/x86/kernel/process.c:768
 default_idle_call+0x6c/0xb0 kernel/sched/idle.c:122
 cpuidle_idle_call kernel/sched/idle.c:199 [inline]
 do_idle+0x3ae/0x5b0 kernel/sched/idle.c:355
 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:454
 start_secondary+0x21d/0x2d0 arch/x86/kernel/smpboot.c:312
 common_startup_64+0x13e/0x158
 </TASK>