rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P10980/1:b..l P35/1:b..l
rcu: (detected by 1, t=10502 jiffies, g=100689, q=401 ncpus=2)
task:kworker/u8:2 state:R running task stack:23616 pid:35 tgid:35 ppid:2 flags:0x00004000
Workqueue: events_unbound cfg80211_wiphy_work
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xf15/0x5d00 kernel/sched/core.c:6745
preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7067
irqentry_exit+0x36/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:write_comp_data+0x34/0x90 kernel/kcov.c:236
Code: 48 8b 15 8f fa 75 7e 65 8b 05 90 fa 75 7e a9 00 01 ff 00 74 0f f6 c4 01 74 59 8b 82 1c 16 00 00 85 c0 74 4f 8b 82 f8 15 00 00 <83> f8 03 75 44 48 8b 82 00 16 00 00 8b 92 fc 15 00 00 48 8b 38 48
RSP: 0018:ffffc90000ab7988 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000002 RCX: ffffffff8a3269fe
RDX: ffff88801868bc00 RSI: 000000000000000c RDI: 0000000000000004
RBP: 000000000000000c R08: 0000000000000004 R09: 000000000000000c
R10: 0000000000000002 R11: 0000000000000004 R12: ffff8880644530a8
R13: 0000000000000004 R14: 0000000000000004 R15: dffffc0000000000
ieee80211_mandatory_rates+0x19e/0x220 net/wireless/util.c:62
ieee80211_update_sta_info net/mac80211/ibss.c:996 [inline]
ieee80211_rx_bss_info net/mac80211/ibss.c:1097 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1578 [inline]
ieee80211_ibss_rx_queued_mgmt+0x10aa/0x2f40 net/mac80211/ibss.c:1605
ieee80211_iface_process_skb net/mac80211/iface.c:1603 [inline]
ieee80211_iface_work+0xc07/0xf00 net/mac80211/iface.c:1657
cfg80211_wiphy_work+0x255/0x330 net/wireless/core.c:437
process_one_work+0x9c5/0x1b40 kernel/workqueue.c:3248
process_scheduled_works kernel/workqueue.c:3329 [inline]
worker_thread+0x6c8/0xf30 kernel/workqueue.c:3409
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:syz.1.1008 state:R running task stack:26992 pid:10980 tgid:10979 ppid:10400 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xf15/0x5d00 kernel/sched/core.c:6745
preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7067
irqentry_exit+0x36/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_acquire+0x1f2/0x560 kernel/locking/lockdep.c:5722
Code: c1 05 da ac 96 7e 83 f8 01 0f 85 ea 02 00 00 9c 58 f6 c4 02 0f 85 d5 02 00 00 48 85 ed 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24
RSP: 0018:ffffc9000342f448 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff92000685e8b RCX: 00000000c62827c2
RDX: 0000000000000001 RSI: ffffffff8b2cb200 RDI: ffffffff8b9039c0
RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff284d858
R10: ffffffff9426c2c7 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff8dbb1620 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
rcu_read_lock include/linux/rcupdate.h:781 [inline]
__pte_offset_map+0x48/0x540 mm/pgtable-generic.c:287
__pte_offset_map_lock+0x8e/0x300 mm/pgtable-generic.c:371
pte_offset_map_lock include/linux/mm.h:3025 [inline]
follow_page_pte+0xde/0x1ce0 mm/gup.c:930
follow_pmd_mask mm/gup.c:1075 [inline]
follow_pud_mask mm/gup.c:1110 [inline]
follow_p4d_mask mm/gup.c:1131 [inline]
follow_page_mask+0x3a1/0x21c0 mm/gup.c:1177
__get_user_pages+0x32d/0x15c0 mm/gup.c:1602
__get_user_pages_locked mm/gup.c:1871 [inline]
__gup_longterm_locked+0x243/0x2790 mm/gup.c:2570
pin_user_pages_remote+0xee/0x150 mm/gup.c:3633
process_vm_rw_single_vec mm/process_vm_access.c:106 [inline]
process_vm_rw_core.constprop.0+0x439/0xa10 mm/process_vm_access.c:216
process_vm_rw+0x301/0x360 mm/process_vm_access.c:284
__do_sys_process_vm_readv mm/process_vm_access.c:296 [inline]
__se_sys_process_vm_readv mm/process_vm_access.c:292 [inline]
__x64_sys_process_vm_readv+0xe2/0x1c0 mm/process_vm_access.c:292
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f22b5f75bd9
RSP: 002b:00007f22b6c8e048 EFLAGS: 00000246 ORIG_RAX: 0000000000000136
RAX: ffffffffffffffda RBX: 00007f22b6103f60 RCX: 00007f22b5f75bd9
RDX: 0000000000000002 RSI: 0000000020008400 RDI: 000000000000003b
RBP: 00007f22b5fe4e60 R08: 0000000000000286 R09: 0000000000000000
R10: 0000000020008640 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f22b6103f60 R15: 00007ffef57b9128
rcu: rcu_preempt kthread starved for 10566 jiffies! g100689 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:27680 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xf15/0x5d00 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6837
schedule_timeout+0x136/0x2a0 kernel/time/timer.c:2581
rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:2000
rcu_gp_kthread+0x271/0x380 kernel/rcu/tree.c:2202
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.10.0-rc7-syzkaller-00254-g528dd46d0fc3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:72 [inline]
RIP: 0010:acpi_safe_halt+0x1a/0x20 drivers/acpi/processor_idle.c:112
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 65 48 8b 05 c8 d4 1b 75 48 8b 00 a8 08 75 0c 66 90 0f 00 2d 78 72 b3 00 fb f4 c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc900001a7d58 EFLAGS: 00000246
RAX: 0000000000004000 RBX: 0000000000000001 RCX: ffffffff8ae7e759
RDX: 0000000000000001 RSI: ffff888019afd000 RDI: ffff888019afd064
RBP: ffff888019afd064 R08: 0000000000000001 R09: ffffed1017266fdd
R10: ffff8880b9337eeb R11: 0000000000000000 R12: ffff88801a35b000
R13: ffffffff8e745940 R14: 0000000000000001 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f162e492a90 CR3: 000000002eb22000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
acpi_idle_enter+0xc5/0x160 drivers/acpi/processor_idle.c:702
cpuidle_enter_state+0x85/0x500 drivers/cpuidle/cpuidle.c:267
cpuidle_enter+0x4e/0xa0 drivers/cpuidle/cpuidle.c:388
cpuidle_idle_call kernel/sched/idle.c:236 [inline]
do_idle+0x313/0x3f0 kernel/sched/idle.c:332
cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:430
start_secondary+0x220/0x2b0 arch/x86/kernel/smpboot.c:313
common_startup_64+0x13e/0x148