rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P22850/1:b..l
rcu: (detected by 0, t=10503 jiffies, g=323773, q=258 ncpus=2)
task:kworker/u4:3 state:R running task stack:26096 pid:22850 ppid:2 flags:0x00004000
Workqueue: writeback wb_workfn (flush-8:0)
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
preempt_schedule_irq+0x52/0x90 kernel/sched/core.c:7022
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:mod_delayed_work_on+0x12c/0x1a0 kernel/workqueue.c:1946
Code: ee e8 a8 1c 31 00 48 85 ed 75 7c e8 0e 21 31 00 48 8b 6c 24 28 31 ff 81 e5 00 02 00 00 48 89 ee e8 89 1c 31 00 48 85 ed 75 46 ef 20 31 00 31 ff 89 de e8 56 1c 31 00 85 db 48 b8 00 00 00 00
RSP: 0018:ffffc90006a8f520 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff8880406c0000 RSI: ffffffff8154ffe7 RDI: 0000000000000007
RBP: 0000000000000200 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000200 R11: 0000000000000000 R12: 1ffff92000d51ea5
R13: 0000000000000008 R14: ffff888018e5b000 R15: 0000000000000000
kblockd_mod_delayed_work_on+0x29/0x40 block/blk-core.c:1037
blk_mq_delay_run_hw_queue+0x3cf/0x7d0 block/blk-mq.c:2205
blk_mq_do_dispatch_sched block/blk-mq-sched.c:188 [inline]
__blk_mq_sched_dispatch_requests+0xc89/0x1740 block/blk-mq-sched.c:309
blk_mq_sched_dispatch_requests+0x104/0x180 block/blk-mq-sched.c:333
blk_mq_run_hw_queue+0x677/0x9b0 block/blk-mq.c:2249
blk_mq_dispatch_plug_list block/blk-mq.c:2746 [inline]
blk_mq_flush_plug_list.part.0+0x648/0x1ee0 block/blk-mq.c:2799
blk_mq_flush_plug_list+0x62/0x80 block/blk-mq.c:2764
__blk_flush_plug+0x2c0/0x430 block/blk-core.c:1141
blk_finish_plug block/blk-core.c:1165 [inline]
blk_finish_plug+0x54/0xa0 block/blk-core.c:1162
wb_writeback+0x8dc/0xa90 fs/fs-writeback.c:2108
wb_check_old_data_flush fs/fs-writeback.c:2176 [inline]
wb_do_writeback fs/fs-writeback.c:2229 [inline]
wb_workfn+0xa02/0xfd0 fs/fs-writeback.c:2257
process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2600
worker_thread+0x687/0x1110 kernel/workqueue.c:2751
kthread+0x33a/0x430 kernel/kthread.c:389
ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
rcu: rcu_preempt kthread starved for 2264 jiffies! g323773 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:28320 pid:16 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
preempt_schedule_irq+0x52/0x90 kernel/sched/core.c:7022
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:preempt_count arch/x86/include/asm/preempt.h:27 [inline]
RIP: 0010:__timer_delete_sync+0xa4/0x1c0 kernel/time/timer.c:1563
Code: 00 48 85 db 0f 85 d3 00 00 00 e8 47 46 11 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 c5 41 11 00 48 85 db 0f 85 ee 00 00 00 27 46 11 00 31 ff 65 8b 1d 16 df 8e 7e 81 e3 00 00 0f 00 89 de
RSP: 0000:ffffc90000157c00 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888016655940 RSI: ffffffff8174db3d RDI: 0000000000000007
RBP: ffffc90000157c20 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90000157c58
R13: ffffc90000157c80 R14: 0000000000000000 R15: 0000000000000001
timer_delete_sync kernel/time/timer.c:1628 [inline]
del_timer_sync include/linux/timer.h:200 [inline]
schedule_timeout+0x161/0x2c0 kernel/time/timer.c:2168
rcu_gp_fqs_loop+0x1ec/0xa50 kernel/rcu/tree.c:1609
rcu_gp_kthread+0x249/0x380 kernel/rcu/tree.c:1808
kthread+0x33a/0x430 kernel/kthread.c:389
ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
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: 12000 Comm: bond7 Not tainted 6.5.0-rc6-syzkaller-01634-g669a55560e4b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Workqueue: bond7 bond_3ad_state_machine_handler
RIP: 0010:pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:434 [inline]
RIP: 0010:__pv_queued_spin_lock_slowpath+0x3f1/0xc70 kernel/locking/qspinlock.c:511
Code: c6 43 01 01 41 be 00 80 00 00 48 c1 e9 03 41 83 e4 07 41 bd 01 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8d 3c 01 eb 0c f3 90 <41> 83 ee 01 0f 84 c2 04 00 00 41 0f b6 07 44 38 e0 7f 08 84 c0 0f
RSP: 0018:ffffc900001e0720 EFLAGS: 00000206
RAX: 0000000000000003 RBX: ffff88802ca524c0 RCX: 1ffff1100594a498
RDX: 0000000000000001 RSI: ffffffff8a6c8140 RDI: ffffffff8ac82200
RBP: ffff8880b993d240 R08: 0000000000000001 R09: fffffbfff230c7f1
R10: ffffffff91863f8f R11: 0000000000100010 R12: 0000000000000000
R13: 0000000000000001 R14: 000000000000370c R15: ffffed100594a498
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f997a29c866 CR3: 000000005393d000 CR4: 00000000003506e0
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:586 [inline]
queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
do_raw_spin_lock+0x20e/0x2b0 kernel/locking/spinlock_debug.c:115
spin_lock include/linux/spinlock.h:351 [inline]
__netif_tx_lock include/linux/netdevice.h:4352 [inline]
__dev_queue_xmit+0x1acc/0x3d60 net/core/dev.c:4333
dev_queue_xmit include/linux/netdevice.h:3082 [inline]
can_send+0x543/0xb00 net/can/af_can.c:276
can_can_gw_rcv+0x74c/0xab0 net/can/gw.c:561
deliver net/can/af_can.c:572 [inline]
can_rcv_filter+0x15e/0x8e0 net/can/af_can.c:599
can_receive+0x31d/0x5c0 net/can/af_can.c:663
can_rcv+0x1dc/0x270 net/can/af_can.c:687
__netif_receive_skb_one_core+0x115/0x180 net/core/dev.c:5520
__netif_receive_skb+0x1f/0x1b0 net/core/dev.c:5634
process_backlog+0x101/0x6c0 net/core/dev.c:5962
__napi_poll.constprop.0+0xb4/0x530 net/core/dev.c:6524
napi_poll net/core/dev.c:6591 [inline]
net_rx_action+0x956/0xe90 net/core/dev.c:6724
__do_softirq+0x218/0x965 kernel/softirq.c:553
do_softirq kernel/softirq.c:454 [inline]
do_softirq+0xaa/0xe0 kernel/softirq.c:441
__local_bh_enable_ip+0xf8/0x120 kernel/softirq.c:381
spin_unlock_bh include/linux/spinlock.h:396 [inline]
bond_3ad_state_machine_handler+0x261f/0x58b0 drivers/net/bonding/bond_3ad.c:2386
process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2600
process_scheduled_works kernel/workqueue.c:2667 [inline]
rescuer_thread+0x622/0xdd0 kernel/workqueue.c:2859
kthread+0x33a/0x430 kernel/kthread.c:389
ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304