rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2655 jiffies s: 1913 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: 5688 Comm: syz.2.509 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:enqueue_hrtimer+0x169/0x410 kernel/time/hrtimer.c:1100
Code: 00 00 00 44 89 fe e8 16 e1 0f 00 49 83 ff 1f 0f 87 d3 00 00 00 e8 a7 dd 0f 00 bd 01 00 00 00 44 89 f9 d3 e5 43 80 7c 25 00 00 <74> 08 4c 89 f7 e8 3d e5 60 00 4d 8b 3e 49 83 c7 44 4c 89 f8 48 c1
RSP: 0018:ffffc900001e0cf8 EFLAGS: 00000046
RAX: ffffffff81729df9 RBX: ffff888026225340 RCX: 0000000000000001
RDX: 0000000000010000 RSI: 0000000000000001 RDI: 0000000000000020
RBP: 0000000000000002 R08: ffffffff8e2029ef R09: 1ffffffff1c4053d
R10: dffffc0000000000 R11: fffffbfff1c4053e R12: dffffc0000000000
R13: 1ffff110171e54d8 R14: ffff8880b8f2a6c0 R15: 0000000000000001
FS: 00007ff7fec9c6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000012c0 CR3: 0000000058232000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__run_hrtimer kernel/time/hrtimer.c:1768 [inline]
__hrtimer_run_queues+0x687/0xd50 kernel/time/hrtimer.c:1815
hrtimer_interrupt+0x3c5/0x9c0 kernel/time/hrtimer.c:1877
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1107 [inline]
__sysvec_apic_timer_interrupt+0x153/0x5a0 arch/x86/kernel/apic/apic.c:1124
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1118
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xbc/0x120 kernel/locking/spinlock.c:194
Code: c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f7 44 24 20 00 02 00 00 41 c6 04 07 f8 75 4b f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 af 7f 1f f7 65 8b 05 80 ff c8 75 85 c0 74 3c 48 c7 04 24 0e 36
RSP: 0018:ffffc90003976d00 EFLAGS: 00000206
RAX: dffffc0000000004 RBX: 0000000000000a06 RCX: 5bbc3eedba769400
RDX: dffffc0000000000 RSI: ffffffff8a8c1aa0 RDI: 0000000000000001
RBP: ffffc90003976d90 R08: ffffffff90aff387 R09: 1ffffffff215fe70
R10: dffffc0000000000 R11: fffffbfff215fe71 R12: dffffc0000000000
R13: 0000000000000a06 R14: ffff8880262252e8 R15: 1ffff9200072eda0
spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
taprio_change+0x4474/0x5490 net/sched/sch_taprio.c:1695
qdisc_create+0x7eb/0x10b0 net/sched/sch_api.c:1305
tc_modify_qdisc+0xb5f/0x1d10 net/sched/sch_api.c:-1
rtnetlink_rcv_msg+0x87c/0xfc0 net/core/rtnetlink.c:6158
netlink_rcv_skb+0x1fb/0x450 net/netlink/af_netlink.c:2511
netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
netlink_unicast+0x74d/0x8d0 net/netlink/af_netlink.c:1344
netlink_sendmsg+0x8ad/0xbd0 net/netlink/af_netlink.c:1872
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
____sys_sendmsg+0x5be/0x970 net/socket.c:2518
___sys_sendmsg+0x2a2/0x360 net/socket.c:2572
__sys_sendmsg net/socket.c:2601 [inline]
__do_sys_sendmsg net/socket.c:2610 [inline]
__se_sys_sendmsg+0x1bb/0x2a0 net/socket.c:2608
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7ff7fdd9ce59
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:00007ff7fec9c028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007ff7fe015fa0 RCX: 00007ff7fdd9ce59
RDX: 0000000000000010 RSI: 00002000000012c0 RDI: 0000000000000005
RBP: 00007ff7fde32d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff7fe016038 R14: 00007ff7fe015fa0 R15: 00007ffd401ef108