rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P15291/1:b..l
rcu: (detected by 0, t=10502 jiffies, g=261065, q=596 ncpus=2)
task:kworker/u4:9 state:R running task stack:26608 pid:15291 ppid:2 flags:0x00004000
Workqueue: bond451 bond_mii_monitor
Call Trace:
<TASK>
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:bond_check_dev_link+0x99/0x3c0 drivers/net/bonding/bond_main.c:743
Code: 48 8b 04 25 28 00 00 00 48 89 84 24 a8 00 00 00 31 c0 e8 3a 12 f9 fb 48 8d bb d0 00 00 00 48 89 f8 48 c1 e8 03 42 80 3c 30 00 <0f> 85 dc 02 00 00 48 8b 83 d0 00 00 00 4c 8d 74 24 40 31 ff 44 89
RSP: 0018:ffffc90014e3fac0 EFLAGS: 00000246
RAX: 1ffff1101189f81a RBX: ffff88808c4fc000 RCX: 0000000000000000
RDX: ffff8880240ad940 RSI: ffffffff858cf666 RDI: ffff88808c4fc0d0
RBP: ffffc90014e3fba0 R08: ffff88807e078e3c R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 1ffff920029c7f5a
R13: 0000000000000000 R14: dffffc0000000000 R15: ffff88807e078c80
bond_miimon_inspect drivers/net/bonding/bond_main.c:2595 [inline]
bond_mii_monitor+0x3e2/0x2bd0 drivers/net/bonding/bond_main.c:2815
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
</TASK>
rcu: rcu_preempt kthread starved for 1002 jiffies! g261065 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:27200 pid:16 ppid:2 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
schedule+0xe7/0x1b0 kernel/sched/core.c:6786
schedule_timeout+0x157/0x2c0 kernel/time/timer.c:2167
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
</TASK>
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: 26515 Comm: bond614 Not tainted 6.5.0-rc6-syzkaller-00036-g4853c74bd7ab #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Workqueue: 0x0 (bond614)
RIP: 0010:check_kcov_mode kernel/kcov.c:175 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x35/0x70 kernel/kcov.c:207
Code: 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b 14 25 80 b9 03 00 a9 00 01 ff 00 74 0e 85 c9 74 35 8b 82 04 16 00 00 85 c0 74 2b <8b> 82 e0 15 00 00 83 f8 02 75 20 48 8b 8a e8 15 00 00 8b 92 e4 15
RSP: 0018:ffffc90015b87db0 EFLAGS: 00000046
RAX: 0000000080000001 RBX: ffff888083144fe8 RCX: 0000000000000000
RDX: ffff88807b8c5940 RSI: ffffffff8154ca71 RDI: 0000000000000007
RBP: ffff888031303c00 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000004
R13: 0000000000000000 R14: dffffc0000000000 R15: ffff888083144fe0
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c001f3f000 CR3: 00000000753bb000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<NMI>
</NMI>
<TASK>
get_work_pwq kernel/workqueue.c:750 [inline]
rescuer_thread+0x4d1/0xdd0 kernel/workqueue.c:2849
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
</TASK>