rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1):
(detected by 0, t=10502 jiffies, g=482097, q=370)
rcu: All QSes seen, last rcu_preempt kthread activity 10500 (4295298209-4295287709), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10500 jiffies! g482097 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:29232 pid: 14 ppid: 2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:4683 [inline]
__schedule+0x934/0x2710 kernel/sched/core.c:5940
schedule+0xd3/0x270 kernel/sched/core.c:6019
schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1892
rcu_gp_fqs_loop kernel/rcu/tree.c:2004 [inline]
rcu_gp_kthread+0xd1a/0x2300 kernel/rcu/tree.c:2177
kthread+0x3e5/0x4d0 kernel/kthread.c:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
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: 8009 Comm: syz-executor.0 Tainted: G W 5.13.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:pv_wait_node kernel/locking/qspinlock_paravirt.h:301 [inline]
RIP: 0010:__pv_queued_spin_lock_slowpath+0x5c4/0xb40 kernel/locking/qspinlock.c:473
Code: 32 84 c0 75 23 41 0f b6 14 24 4c 89 e9 83 e1 07 38 ca 7f 08 84 d2 0f 85 ed 03 00 00 0f b6 53 14 84 d2 0f 85 9e 00 00 00 f3 90 <83> e8 01 0f 84 93 00 00 00 0f b6 16 84 d2 74 09 80 fa 03 0f 8e 96
RSP: 0018:ffffc90000dc0a30 EFLAGS: 00000282
RAX: 0000000000007c86 RBX: ffff8880b9c52840 RCX: 0000000000000004
RDX: 0000000000000000 RSI: ffffed10173aa509 RDI: ffff8880b9d52854
RBP: ffff8880b9d52854 R08: 0000000000000001 R09: ffff8880b9d52854
R10: ffffed10173aa50a R11: 0000000000000080 R12: ffffed101738a50a
R13: ffff8880b9c52854 R14: dffffc0000000000 R15: ffff8880b9d52840
FS: 00007f7a3c033700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31a21000 CR3: 000000015413b000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline]
queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
do_raw_spin_lock+0x200/0x2b0 kernel/locking/spinlock_debug.c:113
spin_lock include/linux/spinlock.h:354 [inline]
mac80211_hwsim_tx_frame_no_nl.isra.0+0x68f/0x1330 drivers/net/wireless/mac80211_hwsim.c:1516
mac80211_hwsim_tx_frame+0x1ee/0x2a0 drivers/net/wireless/mac80211_hwsim.c:1784
mac80211_hwsim_beacon_tx+0x4b7/0x920 drivers/net/wireless/mac80211_hwsim.c:1838
__iterate_interfaces+0x1e5/0x520 net/mac80211/util.c:793
ieee80211_iterate_active_interfaces_atomic+0x8d/0x170 net/mac80211/util.c:829
mac80211_hwsim_beacon+0xd5/0x1a0 drivers/net/wireless/mac80211_hwsim.c:1861
__run_hrtimer kernel/time/hrtimer.c:1537 [inline]
__hrtimer_run_queues+0x609/0xe40 kernel/time/hrtimer.c:1601
hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1618
__do_softirq+0x29b/0x9bd kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x16e/0x1c0 kernel/softirq.c:636
irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1100
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:ct_state include/linux/context_tracking.h:98 [inline]
RIP: 0010:schedule_debug kernel/sched/core.c:5257 [inline]
RIP: 0010:__schedule+0x9fb/0x2710 kernel/sched/core.c:5831
Code: 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 ec 13 00 00 41 83 86 f4 0c 00 00 01 e9 0e f8 ff ff 65 8b 05 95 92 e3 76 be f7 ff ff 49 8d 7d 68 48 b8 00 00 00 00 00 fc ff df 48 89 fa
RSP: 0018:ffffc90003a26f40 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 1ffff92000744df0
RDX: 1ffff92000744000 RSI: 0000000000000001 RDI: ffff88805f471c60
RBP: ffffc90003a27008 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff817b9798 R11: 0000000000000001 R12: ffff8880b9d51a40
R13: ffff88805f471c40 R14: 0000000000051a40 R15: ffffc90003a20000
preempt_schedule_irq+0x4e/0x90 kernel/sched/core.c:6328
irqentry_exit+0x31/0x80 kernel/entry/common.c:427
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:core_kernel_text kernel/extable.c:75 [inline]
RIP: 0010:kernel_text_address+0x11/0xf0 kernel/extable.c:125
Code: 60 8b 72 0c 31 c0 48 81 ff c0 00 6d 8d 0f 92 c0 c3 0f 1f 84 00 00 00 00 00 55 48 89 fd 48 83 ec 08 48 81 ff 00 00 00 81 72 09 <48> 81 ff f5 85 60 89 72 4c 48 c7 c0 44 b3 6a 8d 48 ba 00 00 00 00
RSP: 0018:ffffc90003a270e0 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: ffffffff891f94c5 RCX: 0000000000000000
RDX: 1ffff92000744e2d RSI: ffffc90003a27f18 RDI: ffffffff891f94c5
RBP: ffffffff891f94c5 R08: ffffffff8e57e3c8 R09: 0000000000000001
R10: fffff52000744e2f R11: 0000000000086087 R12: ffffc90003a271d8
R13: 0000000000000000 R14: ffff88805f471c40 R15: 0000000000000000
__kernel_text_address+0x9/0x30 kernel/extable.c:105
unwind_get_return_address arch/x86/kernel/unwind_orc.c:318 [inline]
unwind_get_return_address+0x51/0x90 arch/x86/kernel/unwind_orc.c:313
arch_stack_walk+0x93/0xe0 arch/x86/kernel/stacktrace.c:26
stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:121
save_stack+0x151/0x1e0 mm/page_owner.c:119
__set_page_owner+0x50/0x290 mm/page_owner.c:181
prep_new_page mm/page_alloc.c:2445 [inline]
get_page_from_freelist+0xa72/0x2f80 mm/page_alloc.c:4178
__alloc_pages+0x1b2/0x500 mm/page_alloc.c:5386
alloc_pages+0x18c/0x2a0 mm/mempolicy.c:2272
__get_free_pages+0x8/0x40 mm/page_alloc.c:5423
kasan_populate_vmalloc_pte mm/kasan/shadow.c:266 [inline]
kasan_populate_vmalloc_pte+0x25/0x160 mm/kasan/shadow.c:257
apply_to_pte_range mm/memory.c:2435 [inline]
apply_to_pmd_range mm/memory.c:2479 [inline]
apply_to_pud_range mm/memory.c:2515 [inline]
apply_to_p4d_range mm/memory.c:2551 [inline]
__apply_to_page_range+0x6a7/0x10b0 mm/memory.c:2585
alloc_vmap_area+0xb2d/0x1e30 mm/vmalloc.c:1514
__get_vm_area_node.constprop.0+0x128/0x380 mm/vmalloc.c:2371
__vmalloc_node_range+0x12e/0x960 mm/vmalloc.c:2937
__vmalloc_node mm/vmalloc.c:2996 [inline]
vmalloc+0x67/0x80 mm/vmalloc.c:3029
netlink_alloc_large_skb net/netlink/af_netlink.c:1191 [inline]
netlink_sendmsg+0x5f0/0xda0 net/netlink/af_netlink.c:1904
sock_sendmsg_nosec net/socket.c:703 [inline]
sock_sendmsg+0xcf/0x120 net/socket.c:723
____sys_sendmsg+0x6e8/0x810 net/socket.c:2392
___sys_sendmsg+0xf3/0x170 net/socket.c:2446
__sys_sendmsg+0xe5/0x1b0 net/socket.c:2475
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665d9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7a3c033188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000004
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffd746425bf R14: 00007f7a3c033300 R15: 0000000000022000