rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2669 jiffies s: 481 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5085 Comm: syz-executor259 Not tainted 6.5.0-rc2-syzkaller-00019-g74f1456c4a5f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
RIP: 0010:pie_calculate_probability+0x505/0x850 net/sched/sch_pie.c:306
Code: ea 03 80 3c 02 00 0f 85 de 02 00 00 48 8b 43 08 4c 8b 2c 24 48 89 04 24 e8 28 27 2e f9 31 ff 4c 89 ee e8 ae 22 2e f9 4d 85 ed <c6> 44 24 2f 01 0f 85 02 fc ff ff e9 de fb ff ff e8 06 27 2e f9 48
RSP: 0018:ffffc90000007bc0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffc90003e239a0 RCX: ffffffff88584a62
RDX: ffff88807a933b80 RSI: 0000000000000100 RDI: 0000000000000007
RBP: ffff88802af31300 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000094000 R12: 0000000000000000
R13: 0000000000000000 R14: ffffed10055e625a R15: 000000000000f99d
FS:  00007f8481bc76c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000080 CR3: 00000000729a5000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 fq_pie_timer+0x1da/0x4f0 net/sched/sch_fq_pie.c:387
 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:dump_stack_lvl+0x15c/0x1b0 lib/dump_stack.c:108
Code: 67 f7 e8 a7 f4 67 f7 e8 32 a4 6e f7 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 20 f0 67 f7 48 85 db 75 37 e8 86 f4 67 f7 fb 5b <5d> 41 5c e9 7c f4 67 f7 e8 77 f4 67 f7 e8 a2 7d 13 00 48 89 de 31
RSP: 0018:ffffc90003d6f0a0 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 1ffff920007ade1b RCX: 0000000000000000
RDX: ffff88807a933b80 RSI: ffffffff8a1e7cfa RDI: 0000000000000007
RBP: ffffffff8baf1f80 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
R13: 0000000000000000 R14: dffffc0000000000 R15: ffff88807a933b80
 warn_alloc+0x24a/0x3a0 mm/page_alloc.c:3299
 __vmalloc_area_node mm/vmalloc.c:3125 [inline]
 __vmalloc_node_range+0x1027/0x1540 mm/vmalloc.c:3316
 kvmalloc_node+0x14b/0x1a0 mm/util.c:629
 kvmalloc include/linux/slab.h:720 [inline]
 kvmalloc_array include/linux/slab.h:738 [inline]
 kvcalloc include/linux/slab.h:743 [inline]
 fq_pie_init+0x555/0x8f0 net/sched/sch_fq_pie.c:429
 qdisc_create+0x4f7/0x10a0 net/sched/sch_api.c:1326
 tc_modify_qdisc+0x4a4/0x1bf0 net/sched/sch_api.c:1720
 rtnetlink_rcv_msg+0x439/0xd30 net/core/rtnetlink.c:6424
 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2549
 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
 netlink_unicast+0x539/0x800 net/netlink/af_netlink.c:1365
 netlink_sendmsg+0x93c/0xe30 net/netlink/af_netlink.c:1914
 sock_sendmsg_nosec net/socket.c:725 [inline]
 sock_sendmsg+0xd9/0x180 net/socket.c:748
 ____sys_sendmsg+0x6ac/0x940 net/socket.c:2494
 ___sys_sendmsg+0x135/0x1d0 net/socket.c:2548
 __sys_sendmsg+0x117/0x1e0 net/socket.c:2577
 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: 0033:0x7f8481c06929
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 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:00007f8481bc7238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f8481c91328 RCX: 00007f8481c06929
RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000003
RBP: 00007f8481c91320 R08: 00000000ffffffff R09: 00007f8481bc76c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8481c9132c
R13: 0000000000000011 R14: 00007fffc1d3f570 R15: 00007fffc1d3f658
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 3.856 msecs