rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5311/1:b..l
(detected by 1, t=10502 jiffies, g=22509, q=64 ncpus=2)
task:kworker/u4:13 state:R running task stack:26464 pid:5311 ppid:2 flags:0x00004000
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6606
preempt_schedule_irq+0x52/0xa0 kernel/sched/core.c:6918
irqentry_exit+0x35/0x80 kernel/entry/common.c:432
asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:654
RIP: 0010:lock_acquire+0x227/0x630 kernel/locking/lockdep.c:5636
Code: d0 9f 7e 83 f8 01 0f 85 3a 03 00 00 9c 58 f6 c4 02 0f 85 25 03 00 00 48 83 7c 24 08 00 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: 0000:ffffc90004dc7a98 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff920009b8f56 RCX: 6041a39c01b4972a
RDX: 1ffff1100626817e RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff91339ac7
R10: fffffbfff2267358 R11: 1ffffffff18f2f29 R12: 0000000000000002
R13: 0000000000000000 R14: ffffffff8c78d340 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:325 [inline]
rcu_read_lock include/linux/rcupdate.h:764 [inline]
batadv_iv_ogm_slide_own_bcast_window net/batman-adv/bat_iv_ogm.c:755 [inline]
batadv_iv_ogm_schedule_buff+0x5d2/0x1450 net/batman-adv/bat_iv_ogm.c:826
batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:869 [inline]
batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:862 [inline]
batadv_iv_send_outstanding_bat_ogm_packet+0x744/0x910 net/batman-adv/bat_iv_ogm.c:1713
process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
worker_thread+0x669/0x1090 kernel/workqueue.c:2436
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g22509 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: Possible timer handling issue on cpu=0 timer-softirq=29912
rcu: rcu_preempt kthread starved for 10502 jiffies! g22509 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->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:I stack:28824 pid:15 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6606
schedule+0xde/0x1b0 kernel/sched/core.c:6682
schedule_timeout+0x14e/0x2a0 kernel/time/timer.c:2167
rcu_gp_fqs_loop+0x190/0x910 kernel/rcu/tree.c:1656
rcu_gp_kthread+0x23a/0x360 kernel/rcu/tree.c:1855
kthread+0x2e8/0x3a0 kernel/kthread.c:376
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: 899 Comm: kworker/0:2 Not tainted 6.2.0-rc6-syzkaller-00229-g7b753a909f42 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Workqueue: wg-crypt-wg2 wg_packet_decrypt_worker
RIP: 0010:kasan_mem_to_shadow include/linux/kasan.h:59 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:128 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x38/0x190 mm/kasan/generic.c:189
Code: 89 f9 41 54 44 0f b6 c2 49 01 f1 55 53 0f 82 18 01 00 00 48 b8 ff ff ff ff ff 7f ff ff 48 39 c7 0f 86 05 01 00 00 49 83 e9 01 <48> 89 fd 48 b8 00 00 00 00 00 fc ff df 4d 89 ca 48 c1 ed 03 49 c1
RSP: 0018:ffffc900000076a8 EFLAGS: 00000082
RAX: ffff7fffffffffff RBX: 1ffff92000000edc RCX: ffffffff8162b770
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8e727d50
RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff8e727d57
R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff91dfcbf8 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31c28000 CR3: 00000000222dc000 CR4: 00000000003506f0
Call Trace:
instrument_atomic_read include/linux/instrumented.h:72 [inline]
_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
cpumask_test_cpu include/linux/cpumask.h:444 [inline]
cpu_online include/linux/cpumask.h:1030 [inline]
trace_lock_acquire include/trace/events/lock.h:24 [inline]
lock_acquire+0xf0/0x630 kernel/locking/lockdep.c:5639
__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:739 [inline]
debug_object_deactivate+0x105/0x300 lib/debugobjects.c:727
debug_hrtimer_deactivate kernel/time/hrtimer.c:425 [inline]
debug_deactivate kernel/time/hrtimer.c:481 [inline]
__run_hrtimer kernel/time/hrtimer.c:1653 [inline]
__hrtimer_run_queues+0x422/0xfb0 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x320/0x790 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1096 [inline]
__sysvec_apic_timer_interrupt+0x180/0x640 arch/x86/kernel/apic/apic.c:1113
sysvec_apic_timer_interrupt+0x44/0xc0 arch/x86/kernel/apic/apic.c:1107
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:__kmem_cache_free+0xfd/0x3b0 mm/slab.c:3590
Code: f2 4c 89 ee 4c 89 e7 e8 81 e7 ff ff 48 85 db 0f 85 95 00 00 00 9c 58 f6 c4 02 0f 85 b9 00 00 00 48 85 db 74 01 fb 48 83 c4 20 <5b> 5d 41 5c 41 5d 41 5e 41 5f c3 f7 c5 ff 0f 00 00 0f 85 60 ff ff
RSP: 0018:ffffc90000007b58 EFLAGS: 00000282
RAX: 0000000000000016 RBX: 0000000000000200 RCX: 1ffffffff227273e
RDX: 0000000000000000 RSI: 0000000000000101 RDI: 0000000000000000
RBP: ffffea0001d21180 R08: 0000000000000001 R09: ffffffff91339baf
R10: 0000000000000001 R11: 0000000000094001 R12: ffff888012440600
R13: ffff888074846000 R14: ffffffff87c2b03c R15: ffff8880748460c0
skb_free_head+0xac/0x110 net/core/skbuff.c:822
skb_release_data+0x5f4/0x870 net/core/skbuff.c:851
skb_release_all net/core/skbuff.c:916 [inline]
__kfree_skb net/core/skbuff.c:930 [inline]
consume_skb net/core/skbuff.c:1098 [inline]
consume_skb+0xcb/0x170 net/core/skbuff.c:1092
wg_packet_consume_data_done drivers/net/wireguard/receive.c:435 [inline]
wg_packet_rx_poll+0xc13/0x1ee0 drivers/net/wireguard/receive.c:474
__napi_poll+0xb8/0x770 net/core/dev.c:6485
napi_poll net/core/dev.c:6552 [inline]
net_rx_action+0xa00/0xde0 net/core/dev.c:6663
__do_softirq+0x1fb/0xadc kernel/softirq.c:571
do_softirq.part.0+0xde/0x130 kernel/softirq.c:472
do_softirq kernel/softirq.c:464 [inline]
__local_bh_enable_ip+0x106/0x130 kernel/softirq.c:396
spin_unlock_bh include/linux/spinlock.h:395 [inline]
ptr_ring_consume_bh include/linux/ptr_ring.h:367 [inline]
wg_packet_decrypt_worker+0x3ee/0x5d0 drivers/net/wireguard/receive.c:499
process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
worker_thread+0x669/0x1090 kernel/workqueue.c:2436
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308