rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P10906/1:b..l
rcu: (detected by 1, t=10502 jiffies, g=54177, q=195 ncpus=2)
task:syz-executor.0 state:R running task stack:26336 pid:10906 ppid:5025 flags:0x20004006
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6669
preempt_schedule_irq+0x52/0x90 kernel/sched/core.c:6981
irqentry_exit+0x35/0x80 kernel/entry/common.c:433
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:__sanitizer_cov_trace_pc+0x40/0x70 kernel/kcov.c:210
Code: 00 65 48 8b 14 25 00 ba 03 00 a9 00 01 ff 00 74 0e 85 c9 74 35 8b 82 0c 16 00 00 85 c0 74 2b 8b 82 e8 15 00 00 83 f8 02 75 20 <48> 8b 8a f0 15 00 00 8b 92 ec 15 00 00 48 8b 01 48 83 c0 01 48 39
RSP: 0018:ffffc9000cdc7698 EFLAGS: 00000246
RAX: 0000000000000002 RBX: ffff888076229b00 RCX: 0000000000000000
RDX: ffff88802031d940 RSI: ffffffff81c1acd7 RDI: 0000000000000005
RBP: 0000000000000017 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 1ffff110051f208a R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: ffff88802031d940
rcu_read_lock include/linux/rcupdate.h:749 [inline]
count_memcg_event_mm.part.0+0x1e7/0x330 include/linux/memcontrol.h:1108
count_memcg_event_mm include/linux/memcontrol.h:570 [inline]
mm_account_fault mm/memory.c:5123 [inline]
handle_mm_fault+0x3f6/0x9e0 mm/memory.c:5259
faultin_page mm/gup.c:969 [inline]
__get_user_pages+0x60a/0x10e0 mm/gup.c:1191
__get_user_pages_locked mm/gup.c:1425 [inline]
__gup_longterm_locked+0x720/0x2420 mm/gup.c:2123
pin_user_pages_remote+0x101/0x160 mm/gup.c:3174
process_vm_rw_single_vec mm/process_vm_access.c:105 [inline]
process_vm_rw_core.constprop.0+0x43b/0x990 mm/process_vm_access.c:215
process_vm_rw+0x29c/0x300 mm/process_vm_access.c:283
__do_sys_process_vm_readv mm/process_vm_access.c:295 [inline]
__se_sys_process_vm_readv mm/process_vm_access.c:291 [inline]
__ia32_sys_process_vm_readv+0xe0/0x1b0 mm/process_vm_access.c:291
do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
__do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178
do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7faf579
RSP: 002b:00000000f7faa5cc EFLAGS: 00000296 ORIG_RAX: 000000000000015b
RAX: ffffffffffffffda RBX: 0000000000000348 RCX: 0000000020008400
RDX: 0000000000000002 RSI: 0000000020008640 RDI: 0000000000000286
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
rcu: rcu_preempt kthread starved for 10124 jiffies! g54177 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
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:28264 pid:16 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
schedule_timeout+0x14e/0x2b0 kernel/time/timer.c:2167
rcu_gp_fqs_loop+0x190/0x910 kernel/rcu/tree.c:1609
rcu_gp_kthread+0x23a/0x360 kernel/rcu/tree.c:1808
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 47 Comm: kworker/u4:3 Not tainted 6.4.0-syzkaller-01371-g04fc8904d5d1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
Workqueue: phy8 ieee80211_iface_work
RIP: 0010:rcu_is_watching+0x7c/0xb0 kernel/rcu/tree.c:696
Code: 89 da 48 c1 ea 03 0f b6 14 02 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 1c 8b 03 c1 e8 02 83 e0 01 65 ff 0d fc 3e 96 7e <74> 03 5b 5d c3 e8 5a 03 93 ff 5b 5d c3 48 89 df e8 1f db 69 00 eb
RSP: 0018:ffffc90000007c58 EFLAGS: 00000086
RAX: 0000000000000001 RBX: ffff8880b9836d28 RCX: ffffffff8165f00c
RDX: 0000000000000000 RSI: 0000000000000104 RDI: ffffffff8c13ca00
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8e7b0217
R10: fffffbfff1cf6042 R11: 0000000000094001 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff91fdb970 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0008b9e80 CR3: 000000007daef000 CR4: 00000000003506f0
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+0x470/0x520 kernel/locking/lockdep.c:5676
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x3d/0x60 kernel/locking/spinlock.c:162
debug_object_deactivate lib/debugobjects.c:783 [inline]
debug_object_deactivate+0x105/0x300 lib/debugobjects.c:771
debug_hrtimer_deactivate kernel/time/hrtimer.c:427 [inline]
debug_deactivate kernel/time/hrtimer.c:483 [inline]
__run_hrtimer kernel/time/hrtimer.c:1656 [inline]
__hrtimer_run_queues+0x3f3/0xbe0 kernel/time/hrtimer.c:1752
hrtimer_run_softirq+0x17f/0x360 kernel/time/hrtimer.c:1769
__do_softirq+0x1d4/0x905 kernel/softirq.c:553
do_softirq.part.0+0x87/0xc0 kernel/softirq.c:454
do_softirq kernel/softirq.c:446 [inline]
__local_bh_enable_ip+0x106/0x130 kernel/softirq.c:381
spin_unlock_bh include/linux/spinlock.h:395 [inline]
cfg80211_put_bss+0x1b4/0x280 net/wireless/scan.c:2580
ieee80211_rx_bss_put net/mac80211/scan.c:37 [inline]
ieee80211_rx_bss_put+0x43/0x60 net/mac80211/scan.c:32
ieee80211_rx_bss_info net/mac80211/ibss.c:1192 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1609 [inline]
ieee80211_ibss_rx_queued_mgmt+0x1b07/0x3030 net/mac80211/ibss.c:1638
ieee80211_iface_process_skb net/mac80211/iface.c:1594 [inline]
ieee80211_iface_work+0xa4d/0xd70 net/mac80211/iface.c:1648
process_one_work+0x99a/0x15e0 kernel/workqueue.c:2408
worker_thread+0x67d/0x10c0 kernel/workqueue.c:2555
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308