rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P20573/1:b..l P4497/1:b..l P30/1:b..l
rcu: (detected by 1, t=10502 jiffies, g=251369, q=132 ncpus=2)
task:oom_reaper state:R running task stack:29032 pid:30 tgid:30 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5399 [inline]
__schedule+0xf12/0x5c00 kernel/sched/core.c:6726
preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6903
preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk_64.S:45
__raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline]
_raw_spin_unlock+0x3a/0x40 kernel/locking/spinlock.c:186
spin_unlock include/linux/spinlock.h:391 [inline]
zap_pte_range mm/memory.c:1549 [inline]
zap_pmd_range mm/memory.c:1597 [inline]
zap_pud_range mm/memory.c:1626 [inline]
zap_p4d_range mm/memory.c:1647 [inline]
unmap_page_range+0x13e7/0x2b00 mm/memory.c:1668
__oom_reap_task_mm+0x28f/0x430 mm/oom_kill.c:550
oom_reap_task_mm mm/oom_kill.c:588 [inline]
oom_reap_task mm/oom_kill.c:612 [inline]
oom_reaper+0x22a/0xe00 mm/oom_kill.c:653
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
task:klogd state:R running task stack:25544 pid:4497 tgid:4497 ppid:1 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5399 [inline]
__schedule+0xf12/0x5c00 kernel/sched/core.c:6726
preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6903
preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk_64.S:45
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
_raw_spin_unlock_irqrestore+0x5d/0x70 kernel/locking/spinlock.c:194
sock_def_readable+0x156/0x750 net/core/sock.c:3346
unix_dgram_sendmsg+0x11b3/0x1ca0 net/unix/af_unix.c:2114
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0xd5/0x180 net/socket.c:745
__sys_sendto+0x225/0x310 net/socket.c:2191
__do_sys_sendto net/socket.c:2203 [inline]
__se_sys_sendto net/socket.c:2199 [inline]
__x64_sys_sendto+0xe0/0x1b0 net/socket.c:2199
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f99955349b5
RSP: 002b:00007ffcefcdcf98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f99955349b5
RDX: 00000000000000b3 RSI: 000056167bc016c0 RDI: 0000000000000003
RBP: 000056167bbf82c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000013
R13: 00007f99956c2212 R14: 00007ffcefcdd098 R15: 0000000000000000
task:kworker/u4:26 state:R running task stack:25792 pid:20573 tgid:20573 ppid:2 flags:0x00004000
Workqueue: events_unbound cfg80211_wiphy_work
Call Trace:
context_switch kernel/sched/core.c:5399 [inline]
__schedule+0xf12/0x5c00 kernel/sched/core.c:6726
preempt_schedule_irq+0x52/0x90 kernel/sched/core.c:7046
irqentry_exit+0x36/0x80 kernel/entry/common.c:348
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x60 kernel/kcov.c:207
Code: fa 48 8b be b0 01 00 00 e8 b0 ff ff ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 f3 0f 1e fa 65 48 8b 14 25 40 c2 03 00 <65> 8b 05 44 c5 7c 7e a9 00 01 ff 00 48 8b 34 24 74 0f f6 c4 01 74
RSP: 0018:ffffc90005b2f978 EFLAGS: 00000297
RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff8a0767b8
RDX: ffff88809899bb80 RSI: 000000000000000b RDI: 0000000000000006
RBP: 000000000000000b R08: 0000000000000006 R09: 000000000000000b
R10: 000000000000000c R11: ffffffff818704e0 R12: 0000000000000000
R13: dffffc0000000000 R14: 000000000000000c R15: 00000000000000b4
ieee80211_sta_get_rates+0x306/0x650 net/mac80211/util.c:2320
ieee80211_update_sta_info net/mac80211/ibss.c:987 [inline]
ieee80211_rx_bss_info net/mac80211/ibss.c:1096 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1577 [inline]
ieee80211_ibss_rx_queued_mgmt+0x1114/0x3120 net/mac80211/ibss.c:1604
ieee80211_iface_process_skb net/mac80211/iface.c:1589 [inline]
ieee80211_iface_work+0xa67/0xda0 net/mac80211/iface.c:1643
cfg80211_wiphy_work+0x24e/0x330 net/wireless/core.c:437
process_one_work+0x886/0x15d0 kernel/workqueue.c:2633
process_scheduled_works kernel/workqueue.c:2706 [inline]
worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
rcu: rcu_preempt kthread starved for 10195 jiffies! g251369 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:28448 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5399 [inline]
__schedule+0xf12/0x5c00 kernel/sched/core.c:6726
__schedule_loop kernel/sched/core.c:6801 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6816
schedule_timeout+0x137/0x290 kernel/time/timer.c:2183
rcu_gp_fqs_loop+0x1ec/0xb10 kernel/rcu/tree.c:1631
rcu_gp_kthread+0x24b/0x380 kernel/rcu/tree.c:1830
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
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: 0 Comm: swapper/0 Not tainted 6.7.0-syzkaller-02320-gacc657692aed #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:__raw_callee_save___pv_queued_spin_unlock+0x10/0x16
Code: 5b 41 5a 41 59 41 58 5f 5e 5a 59 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 52 b8 01 00 00 00 31 d2 f0 0f b0 17 <3c> 01 75 02 5a c3 56 0f b6 f0 e8 b1 ff ff ff 5e 5a c3 66 66 2e 0f
RSP: 0018:ffffc90000007cc8 EFLAGS: 00000046
RAX: 0000000000000001 RBX: ffffffff92bb37a0 RCX: ffffffff8167c5e3
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff92bb37a0
RBP: ffffffff92bb37a8 R08: 0000000000000000 R09: fffffbfff25766f4
R10: ffffffff92bb37a3 R11: ffffffff8acf2000 R12: ffffffff92bb37b0
R13: ffff8880b982c870 R14: 1ffff92000000fa6 R15: ffffffff92bb3798
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9901505bd0 CR3: 000000007d7df000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
pv_queued_spin_unlock arch/x86/include/asm/paravirt.h:585 [inline]
queued_spin_unlock arch/x86/include/asm/qspinlock.h:57 [inline]
do_raw_spin_unlock+0x173/0x230 kernel/locking/spinlock_debug.c:141
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:150 [inline]
_raw_spin_unlock_irqrestore+0x22/0x70 kernel/locking/spinlock.c:194
debug_object_activate+0x349/0x540 lib/debugobjects.c:726
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+0xa12/0xc20 kernel/time/hrtimer.c:1752
hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1814
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline]
__sysvec_apic_timer_interrupt+0x105/0x400 arch/x86/kernel/apic/apic.c:1082
sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1076
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
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+0x1b/0x20 drivers/acpi/processor_idle.c:113
Code: ed c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 65 48 8b 04 25 40 c2 03 00 48 8b 00 a8 08 75 0c 66 90 0f 00 2d 97 83 b5 00 fb f4 c3 0f 1f 00 0f b6 47 08 3c 01 74 0b 3c 02 74 05 8b 7f 04 eb 9f
RSP: 0018:ffffffff8ce07d68 EFLAGS: 00000246
RAX: 0000000000004000 RBX: 0000000000000001 RCX: ffffffff8a84d1f7
RDX: 0000000000000001 RSI: ffff888014687000 RDI: ffff888014687064
RBP: ffff888014687064 R08: 0000000000000000 R09: ffffed1017306e7d
R10: ffff8880b98373eb R11: 0000000000000001 R12: ffff88801a330800
R13: ffffffff8dd1de40 R14: 0000000000000000 R15: 0000000000000000
acpi_idle_enter+0xc5/0x160 drivers/acpi/processor_idle.c:707
cpuidle_enter_state+0x83/0x500 drivers/cpuidle/cpuidle.c:267
cpuidle_enter+0x4e/0xa0 drivers/cpuidle/cpuidle.c:388
cpuidle_idle_call kernel/sched/idle.c:215 [inline]
do_idle+0x319/0x400 kernel/sched/idle.c:312
cpu_startup_entry+0x50/0x60 kernel/sched/idle.c:410
rest_init+0x16f/0x2b0 init/main.c:730
arch_call_rest_init+0x13/0x30 init/main.c:827
start_kernel+0x39f/0x480 init/main.c:1072
x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:555
x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:536
secondary_startup_64_no_verify+0x170/0x17b