rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2640 jiffies s: 777 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: 3699 Comm: syz-executor.0 Not tainted 6.1.0-rc4-syzkaller-00045-g1767a722a708 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:arch_atomic_read arch/x86/include/asm/atomic.h:29 [inline]
RIP: 0010:atomic_read include/linux/atomic/atomic-instrumented.h:28 [inline]
RIP: 0010:queued_spin_is_locked include/asm-generic/qspinlock.h:57 [inline]
RIP: 0010:debug_spin_unlock kernel/locking/spinlock_debug.c:100 [inline]
RIP: 0010:do_raw_spin_unlock+0x65/0x230 kernel/locking/spinlock_debug.c:140
Code: ad de 0f 85 73 01 00 00 be 04 00 00 00 48 89 ef e8 e0 d5 68 00 48 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 0f b6 14 02 <48> 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 6a 01 00 00 8b
RSP: 0018:ffffc900001e0d88 EFLAGS: 00000802
RAX: dffffc0000000000 RBX: ffff88807b533340 RCX: ffffffff81602d50
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88807b5332e8
RBP: ffff88807b5332e8 R08: 0000000000000000 R09: ffff88807b5332eb
R10: ffffed100f6a665d R11: 0000000000000000 R12: ffff88802684c780
R13: 17265a97390e0f00 R14: ffff88802684c7a0 R15: 17265a97390e0f00
FS: 00007fc598369700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000051b730 CR3: 000000006fa7c000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__raw_spin_unlock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_unlock+0x1a/0x40 kernel/locking/spinlock.c:186
spin_unlock include/linux/spinlock.h:390 [inline]
advance_sched+0x435/0x9a0 net/sched/sch_taprio.c:749
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x690/0xfb0 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1096 [inline]
__sysvec_apic_timer_interrupt+0x17c/0x640 arch/x86/kernel/apic/apic.c:1113
sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1107
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:194
Code: 74 24 10 e8 8a ab cd f7 48 89 ef e8 d2 17 ce f7 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 03 ad c0 f7 65 8b 05 ec 59 70 76 85 c0 74 0a 5b 5d c3 e8 80 0e
RSP: 0018:ffffc900050171a8 EFLAGS: 00000206
RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff212f59e
RDX: 0000000000000000 RSI: 0000000000000202 RDI: 0000000000000001
RBP: ffff88807b5332e8 R08: 0000000000000001 R09: ffffffff909329ff
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88807b5332e8
R13: 17265a970708d300 R14: ffff88807b533000 R15: 0000000000000000
spin_unlock_irqrestore include/linux/spinlock.h:405 [inline]
taprio_change+0x2ed8/0x4000 net/sched/sch_taprio.c:1677
taprio_init+0x4c5/0x6b0 net/sched/sch_taprio.c:1808
qdisc_create+0x44a/0x1170 net/sched/sch_api.c:1272
tc_modify_qdisc+0x475/0x19a0 net/sched/sch_api.c:1672
rtnetlink_rcv_msg+0x43a/0xca0 net/core/rtnetlink.c:6091
netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2540
netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345
netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921
sock_sendmsg_nosec net/socket.c:714 [inline]
sock_sendmsg+0xcf/0x120 net/socket.c:734
____sys_sendmsg+0x712/0x8c0 net/socket.c:2482
___sys_sendmsg+0x110/0x1b0 net/socket.c:2536
__sys_sendmsg+0xf3/0x1c0 net/socket.c:2565
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x4645a9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc598369198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004645a9
RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004
RBP: 000000000051b720 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000055bf00
R13: 00007fc5983696bc R14: 00000000ffffffff R15: 0000000000000003