rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2689 jiffies s: 1957 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: 5162 Comm: syz-executor170 Not tainted 6.5.0-rc4-syzkaller #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+0x31/0x70 kernel/kcov.c:207
Code: 5d b1 7d 7e 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
RSP: 0018:ffffc900001e0d58 EFLAGS: 00000206
RAX: 0000000000000000 RBX: ffff88802a91e394 RCX: 0000000000000100
RDX: ffff88807d9b9dc0 RSI: ffffffff885946ac RDI: 0000000000000004
RBP: 000000000000000b R08: 0000000000000004 R09: 000000000000000b
R10: 0000000000000010 R11: ffffc900001e0ff8 R12: 0000000000000010
R13: ffff88806b5b0b60 R14: 000000000000000c R15: 0000000000000001
FS:  0000555555e71480(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4df27e6160 CR3: 000000007c891000 CR4: 0000000000350ee0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 taprio_dequeue_tc_priority+0x22c/0x4b0 net/sched/sch_taprio.c:808
 taprio_dequeue+0x12e/0x5f0 net/sched/sch_taprio.c:868
 dequeue_skb net/sched/sch_generic.c:292 [inline]
 qdisc_restart net/sched/sch_generic.c:397 [inline]
 __qdisc_run+0x1c4/0x19d0 net/sched/sch_generic.c:415
 qdisc_run include/net/pkt_sched.h:125 [inline]
 qdisc_run include/net/pkt_sched.h:122 [inline]
 net_tx_action+0x71e/0xc80 net/core/dev.c:5049
 __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:unwind_next_frame+0x0/0x2020 arch/x86/kernel/unwind_orc.c:469
Code: 46 9d a0 00 e9 67 fe ff ff 4c 89 ef e8 39 9d a0 00 e9 66 ff ff ff 4c 89 f7 e8 2c 9d a0 00 e9 3a ff ff ff 0f 1f 80 00 00 00 00 <f3> 0f 1e fa 48 b8 00 00 00 00 00 fc ff df 48 89 fa 41 57 48 c1 ea
RSP: 0018:ffffc90003f3eed8 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffffc90003f3eee0 RCX: 0000000000000000
RDX: 1ffff920007e7e14 RSI: ffffffff8a3195c8 RDI: ffffc90003f3eee0
RBP: ffffc90003f3ef70 R08: ffffc90003f3ef14 R09: ffffffff8fb3dfe4
R10: ffffc90003f3eee0 R11: 0000000000071dae R12: ffffffff8173dc90
R13: ffffc90003f3efa0 R14: 0000000000000000 R15: ffff88807d9b9dc0
 arch_stack_walk+0x8b/0xf0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x96/0xd0 kernel/stacktrace.c:122
 kasan_save_stack+0x33/0x50 mm/kasan/common.c:45
 __kasan_record_aux_stack+0xbc/0xd0 mm/kasan/generic.c:492
 __call_rcu_common.constprop.0+0x9a/0x790 kernel/rcu/tree.c:2649
 qdisc_put+0xd1/0xf0 net/sched/sch_generic.c:1090
 taprio_destroy+0x2e6/0x710 net/sched/sch_taprio.c:2039
 __qdisc_destroy+0xc4/0x450 net/sched/sch_generic.c:1063
 qdisc_put+0xd1/0xf0 net/sched/sch_generic.c:1090
 taprio_attach+0x139/0x430 net/sched/sch_taprio.c:2148
 qdisc_graft+0xd84/0x1680 net/sched/sch_api.c:1147
 tc_modify_qdisc+0xcd2/0x1bf0 net/sched/sch_api.c:1731
 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: 0033:0x7f4df2767b89
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 1c 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffebc7708e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4df2767b89
RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004
RBP: 00000000000f4240 R08: 0000000000000000 R09: 00000000000979b5
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000979b5
R13: 00007ffebc77093c R14: 0000000000000003 R15: 00007f4df27e8420
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.961 msecs