rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2673 jiffies s: 1917 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: 5209 Comm: syz-executor213 Not tainted 6.5.0-rc3-syzkaller-00123-g57012c57536f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0xb/0x70 kernel/kcov.c:207
Code: 0f 1e fa 48 8b be b0 01 00 00 e8 b0 ff ff ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 f3 0f 1e fa 65 8b 05 2d 48 7d 7e <89> c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b 14 25 80 b9 03 00 a9
RSP: 0018:ffffc900001e0bb8 EFLAGS: 00000246
RAX: 0000000000000102 RBX: ffffc9000e422f10 RCX: ffffffff885874a5
RDX: ffff88807ddabb80 RSI: 0000000000000100 RDI: 0000000000000007
RBP: ffff88807b6a9b00 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000094000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fade0ab16c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fade134b788 CR3: 000000002af85000 CR4: 0000000000350ee0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 pie_calculate_probability+0x63c/0x850 net/sched/sch_pie.c:410
 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:preempt_schedule_irq+0x4d/0x90 kernel/sched/core.c:7022
Code: 55 65 48 8b 2c 25 80 b9 03 00 53 48 89 eb 48 c1 eb 03 48 01 c3 bf 01 00 00 00 e8 0e 53 25 f7 e8 09 a2 58 f7 fb bf 01 00 00 00 <e8> 5e 99 ff ff 9c 58 fa f6 c4 02 75 1a bf 01 00 00 00 e8 9c 1c 25
RSP: 0018:ffffc9000407efd8 EFLAGS: 00000202
RAX: 0000000000000591 RBX: ffffed100fbb5770 RCX: 1ffffffff230a276
RDX: 0000000000000000 RSI: ffffffff8a6c7880 RDI: 0000000000000001
RBP: ffff88807ddabb80 R08: 0000000000000001 R09: fffffbfff23095d1
R10: ffffffff9184ae8f R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 irqentry_exit+0x35/0x80 kernel/entry/common.c:433
 asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:650
RIP: 0010:dump_stack_lvl+0x15c/0x1b0 lib/dump_stack.c:108
Code: 67 f7 e8 77 c4 67 f7 e8 a2 73 6e f7 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 f0 bf 67 f7 48 85 db 75 37 e8 56 c4 67 f7 fb 5b <5d> 41 5c e9 4c c4 67 f7 e8 47 c4 67 f7 e8 22 80 13 00 48 89 de 31
RSP: 0018:ffffc9000407f0a0 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 1ffff9200080fe1b RCX: 0000000000000000
RDX: ffff88807ddabb80 RSI: ffffffff8a1eacfa RDI: 0000000000000007
RBP: ffffffff8baf2580 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 205d393032355420 R12: 0000000000000001
R13: 0000000000000000 R14: dffffc0000000000 R15: ffff88807ddabb80
 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: 0033:0x7fade12f5b99
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 1a 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:00007fade0ab1238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fade1380408 RCX: 00007fade12f5b99
RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000003
RBP: 00007fade1380400 R08: 00000000ffffffff R09: 00007fade0ab16c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fade138040c
R13: 0000000000000011 R14: 00007ffedd66fdd0 R15: 00007ffedd66feb8
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.834 msecs