rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2680 jiffies s: 1689 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5728 Comm: syz-executor163 Not tainted 6.5.0-rc5-syzkaller-01476-gf614a29d6ca6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:fq_pie_timer+0x1ce/0x4f0 net/sched/sch_fq_pie.c:386
Code: 75 80 48 8d 7e 44 48 89 f8 48 c1 e8 03 42 0f b6 14 20 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 ba 02 00 00 8b 56 44 <83> c3 01 48 8b 3c 24 e8 a6 a8 ff ff 48 8b 44 24 08 42 0f b6 04 20
RSP: 0018:ffffc900001e0c40 EFLAGS: 00000246
RAX: 0000000000000007 RBX: 000000000000b400 RCX: 0000000000000100
RDX: 0000000000000000 RSI: ffffc90010eec000 RDI: ffffc90010eec044
RBP: ffff888029f88b50 R08: 0000000000000004 R09: 000000000000f99d
R10: 000000000000b400 R11: 0000000000094000 R12: dffffc0000000000
R13: 0000000000000007 R14: ffffed10053f115a R15: 000000000000f99d
FS:  00007fec9e38e6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fec9ec26608 CR3: 00000000921f9000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700
 expire_timers kernel/time/timer.c:1751 [inline]
 __run_timers+0x764/0xb10 kernel/time/timer.c:2022
 run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2035
 __do_softirq+0x218/0x965 kernel/softirq.c:553
 invoke_softirq kernel/softirq.c:427 [inline]
 __irq_exit_rcu kernel/softirq.c:632 [inline]
 irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1109
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:220 [inline]
RIP: 0010:unwind_next_frame+0x266/0x2020 arch/x86/kernel/unwind_orc.c:494
Code: 4c 24 28 89 74 24 20 44 89 5c 24 18 e8 d3 91 a1 00 48 8b 54 24 30 8b 4c 24 28 8b 74 24 20 44 8b 5c 24 18 8b 14 95 0c 45 de 8f <89> cf 48 8d 04 7f 48 8d 84 00 b4 87 2d 8f 83 c2 01 48 3d 0c 45 de
RSP: 0018:ffffc9000316ef30 EFLAGS: 00000246
RAX: 0000000000000003 RBX: 0000000000000001 RCX: 000000000017559e
RDX: 000000000017559e RSI: 0000000000096001 RDI: ffffffff8ffbd080
RBP: ffffc9000316efe8 R08: 0000000000000000 R09: ffffffff8fb61dde
R10: ffffc9000316efa0 R11: 00000000000762dc R12: ffffc9000316eff0
R13: ffffc9000316efa0 R14: ffffc9000316efd5 R15: ffffffff8862dc8a
 arch_stack_walk+0x8b/0xf0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x96/0xd0 kernel/stacktrace.c:122
 save_stack+0x160/0x1f0 mm/page_owner.c:128
 __reset_page_owner+0x5a/0x190 mm/page_owner.c:149
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1161 [inline]
 free_unref_page_prepare+0x508/0xb90 mm/page_alloc.c:2348
 free_unref_page+0x33/0x3b0 mm/page_alloc.c:2443
 vfree+0x181/0x7a0 mm/vmalloc.c:2842
 kvfree+0x33/0x50 mm/util.c:648
 __qdisc_destroy+0xc4/0x450 net/sched/sch_generic.c:1063
 qdisc_put+0xd1/0xf0 net/sched/sch_generic.c:1090
 notify_and_destroy net/sched/sch_api.c:1047 [inline]
 qdisc_graft+0x1122/0x1680 net/sched/sch_api.c:1144
 tc_modify_qdisc+0xcd2/0x1bf0 net/sched/sch_api.c:1731
 rtnetlink_rcv_msg+0x439/0xd30 net/core/rtnetlink.c:6427
 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545
 netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline]
 netlink_unicast+0x536/0x810 net/netlink/af_netlink.c:1368
 netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910
 sock_sendmsg_nosec net/socket.c:728 [inline]
 sock_sendmsg+0xd9/0x180 net/socket.c:751
 ____sys_sendmsg+0x6ac/0x940 net/socket.c:2514
 ___sys_sendmsg+0x135/0x1d0 net/socket.c:2568
 __sys_sendmsg+0x117/0x1e0 net/socket.c:2597
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fec9ebcfa89
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 19 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fec9e38e238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fec9ec5a3e8 RCX: 00007fec9ebcfa89
RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000003
RBP: 00007fec9ec5a3e0 R08: 00000000ffffffff R09: 00007fec9e38e6c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec9ec5a3ec
R13: 0000000000000016 R14: 00007ffd2fa7f530 R15: 00007ffd2fa7f618
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 3.178 msecs