rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5196/1:b..l rcu: (detected by 0, t=10504 jiffies, g=77069, q=275 ncpus=2) task:kworker/0:10 state:R running task stack:25184 pid:5196 ppid:2 flags:0x00004000 Workqueue: events cfg80211_wiphy_work Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6711 preempt_schedule_irq+0x52/0x90 kernel/sched/core.c:7023 irqentry_exit+0x35/0x80 kernel/entry/common.c:433 asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:ieee80211_sta_get_rates+0x348/0x700 net/mac80211/util.c:2297 Code: f7 4c 8b 3c 24 41 83 c5 01 49 63 dd 48 89 df 4c 89 fe e8 9b c1 cb f7 4c 39 fb 0f 83 48 01 00 00 e8 7d c6 cb f7 48 8b 44 24 10 <80> 38 00 0f 85 c1 02 00 00 48 8b 44 24 08 4c 8d 24 5b 48 b9 00 00 RSP: 0018:ffffc9000489f960 EFLAGS: 00000293 RAX: ffffed1006cf968e RBX: 000000000000000b RCX: 0000000000000000 RDX: ffff888026273b80 RSI: ffffffff89bb3163 RDI: 0000000000000006 RBP: 00000000000001e0 R08: 0000000000000006 R09: 000000000000000b R10: 000000000000000c R11: 000000000000004e R12: 0000000000000078 R13: 000000000000000b R14: 0000000000000000 R15: 000000000000000c ieee80211_update_sta_info net/mac80211/ibss.c:1007 [inline] ieee80211_rx_bss_info net/mac80211/ibss.c:1122 [inline] ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1613 [inline] ieee80211_ibss_rx_queued_mgmt+0x104e/0x2ee0 net/mac80211/ibss.c:1642 ieee80211_iface_process_skb net/mac80211/iface.c:1604 [inline] ieee80211_iface_work+0xa1f/0xd40 net/mac80211/iface.c:1658 cfg80211_wiphy_work+0x24e/0x330 net/wireless/core.c:435 process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2600 worker_thread+0x687/0x1110 kernel/workqueue.c:2751 kthread+0x33a/0x430 kernel/kthread.c:389 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 rcu: rcu_preempt kthread timer wakeup didn't happen for 10421 jiffies! g77069 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 rcu: Possible timer handling issue on cpu=1 timer-softirq=95469 rcu: rcu_preempt kthread starved for 10422 jiffies! g77069 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->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:I stack:28672 pid:16 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6711 schedule+0xe7/0x1b0 kernel/sched/core.c:6787 schedule_timeout+0x157/0x2c0 kernel/time/timer.c:2167 rcu_gp_fqs_loop+0x1ec/0xa50 kernel/rcu/tree.c:1613 rcu_gp_kthread+0x249/0x380 kernel/rcu/tree.c:1812 kthread+0x33a/0x430 kernel/kthread.c:389 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 15363 Comm: syz-executor.3 Not tainted 6.5.0-rc3-next-20230725-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 RIP: 0010:arch_atomic_read arch/x86/include/asm/atomic.h:23 [inline] RIP: 0010:raw_atomic_read include/linux/atomic/atomic-arch-fallback.h:444 [inline] RIP: 0010:rcu_dynticks_curr_cpu_in_eqs include/linux/context_tracking.h:122 [inline] RIP: 0010:rcu_is_watching+0x47/0xb0 kernel/rcu/tree.c:699 Code: c5 77 7a 48 8d 3c ed 00 9a 3a 8c 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 54 48 03 1c ed 00 9a 3a 8c <48> b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 0f b6 14 02 48 RSP: 0018:ffffc900001e0c08 EFLAGS: 00000082 RAX: dffffc0000000000 RBX: ffff8880b9936d68 RCX: ffffffff8167e487 RDX: 1ffffffff1875341 RSI: ffffffff8ac87480 RDI: ffffffff8c3a9a08 RBP: 0000000000000001 R08: 0000000000000000 R09: fffffbfff1d58962 R10: ffffffff8eac4b17 R11: 0000000000000000 R12: 0000000000000001 R13: 0000000000000001 R14: ffffffff8d36b5c0 R15: 0000000000000000 FS: 00007f56d76926c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2ff2b000 CR3: 000000006851c000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: trace_lock_acquire include/trace/events/lock.h:24 [inline] lock_acquire+0x464/0x510 kernel/locking/lockdep.c:5732 debug_objects_fill_pool lib/debugobjects.c:614 [inline] debug_object_activate+0x144/0x490 lib/debugobjects.c:713 debug_hrtimer_activate kernel/time/hrtimer.c:422 [inline] debug_activate kernel/time/hrtimer.c:477 [inline] enqueue_hrtimer+0x23/0x310 kernel/time/hrtimer.c:1087 __run_hrtimer kernel/time/hrtimer.c:1705 [inline] __hrtimer_run_queues+0xa0a/0xc10 kernel/time/hrtimer.c:1752 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1814 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1098 [inline] __sysvec_apic_timer_interrupt+0x14a/0x430 arch/x86/kernel/apic/apic.c:1115 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1109 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x70 kernel/locking/spinlock.c:194 Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 86 02 2e f7 48 89 df e8 5e 81 2e f7 f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 25 e8 1f f7 65 8b 05 a6 e7 c9 75 85 c0 74 12 5b RSP: 0018:ffffc900046efa78 EFLAGS: 00000246 RAX: 0000000000000002 RBX: ffff8880b982b900 RCX: 1ffffffff230c916 RDX: 0000000000000000 RSI: ffffffff8a6c7f60 RDI: ffffffff8ac87500 RBP: 0000000000000286 R08: 0000000000000001 R09: fffffbfff230c7d0 R10: ffffffff91863e87 R11: 0000000000000002 R12: 0000000000000004 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 clock_was_set+0x592/0x850 kernel/time/hrtimer.c:972 timekeeping_inject_offset+0x4d1/0x640 kernel/time/timekeeping.c:1395 do_adjtimex+0x373/0xaa0 kernel/time/timekeeping.c:2444 do_clock_adjtime kernel/time/posix-timers.c:1159 [inline] __do_sys_clock_adjtime+0x173/0x280 kernel/time/posix-timers.c:1171 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f56d687cb29 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f56d76920c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000131 RAX: ffffffffffffffda RBX: 00007f56d699bf80 RCX: 00007f56d687cb29 RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000 RBP: 00007f56d68c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f56d699bf80 R15: 00007ffe9e34a168