rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P12941
rcu: 	(detected by 1, t=10502 jiffies, g=36489, q=4187 ncpus=2)
task:syz.0.2131      state:R  running task     stack:25096 pid:12941 tgid:12934 ppid:12565  task_flags:0x400140 flags:0x00080012
Call Trace:
 <IRQ>
 sched_show_task+0x4aa/0x5f0
 print_other_cpu_stall+0xfcc/0x1380
 rcu_sched_clock_irq+0x939/0x1050
 update_process_times+0x23b/0x2f0
 tick_nohz_handler+0x42b/0x770
 __hrtimer_run_queues+0x4e7/0xcc0
 hrtimer_interrupt+0x42b/0x1010
 __sysvec_apic_timer_interrupt+0x102/0x460
 sysvec_apic_timer_interrupt+0x52/0xc0
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:page_ext_get+0x161/0x2e0
Code: ff 48 8b 05 f1 3c f1 17 48 85 c0 74 3b 4e 8d 3c f8 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 e2 d3 f3 ff 4d 8b 3f <4d> 85 ff 74 20 4d 89 f4 49 c1 ec 0f e8 2e 88 89 ff 41 83 e4 7f 41
RSP: 0018:ffffc90000a087f8 EFLAGS: 00000246
RAX: 1ffff11047ffc600 RBX: ffffffff823c1432 RCX: ffff888169538000
RDX: 0000000000000100 RSI: 0000000000001000 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffffff823c1432 R09: ffffffff8e75e3e0
R10: dffffc0000000000 R11: fffff94000ce49c7 R12: 0000000000001000
R13: dffffc0000000000 R14: 000000000019c938 R15: ffff88814fef4000
 __reset_page_owner+0x28/0x1f0
 __free_frozen_pages+0xc2b/0xdb0
 __folio_put+0x414/0x4f0
 skb_release_data+0x4cb/0x940
 __kfree_skb+0x5d/0x210
 tcp_write_queue_purge+0x143/0x360
 tcp_done_with_error+0x43/0xd0
 tcp_retransmit_timer+0x1f0e/0x35f0
 tcp_write_timer+0x15c/0x2d0
 call_timer_fn+0x192/0x640
 __run_timer_base+0x652/0x8b0
 run_timer_softirq+0xb7/0x170
 handle_softirqs+0x22a/0x870
 do_softirq+0x76/0xd0
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0xf8/0x130
 bpf_test_run+0x3a8/0x830
 bpf_prog_test_run_skb+0xd22/0x1c90
 bpf_prog_test_run+0x2c7/0x340
 __sys_bpf+0x643/0x950
 __x64_sys_bpf+0x7c/0x90
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9d6339c799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9d64219028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f9d63616090 RCX: 00007f9d6339c799
RDX: 000000000000002c RSI: 0000200000000080 RDI: 000000000000000a
RBP: 00007f9d63432c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9d63616128 R14: 00007f9d63616090 R15: 00007ffe3ca98618
 </TASK>
clocksource: Long readout interval, skipping watchdog check: cs_nsec: 104717793660 wd_nsec: 104717796104
