rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2650 jiffies s: 93461 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: 6944 Comm: syz-executor.3 Not tainted 6.7.0-rc1-syzkaller-00213-g791c8ab095f7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 RIP: 0010:__netif_schedule+0x2e4/0x310 net/core/dev.c:3105 Code: 66 43 c7 44 35 09 00 00 43 c6 44 35 0b 00 65 48 8b 04 25 28 00 00 00 48 3b 84 24 80 00 00 00 75 28 48 8d 65 d8 5b 41 5c 41 5d <41> 5e 41 5f 5d c3 e8 61 d8 93 f8 48 c7 c7 40 dc b2 8e 4c 89 fe e8 RSP: 0018:ffffc90000007c70 EFLAGS: 00000046 RAX: 4c7191589747c500 RBX: ffffffff8930e63b RCX: ffff8880403b1dc0 RDX: 0000000000010001 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90000007c80 R08: ffffffff88faa41a R09: 1ffff110077a4e2b R10: dffffc0000000000 R11: ffffed10077a4e2c R12: dffffc0000000000 R13: ffff888025f10808 R14: 1ffff92000000f78 R15: ffff88803bd27300 FS: 00007f68120646c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020003c80 CR3: 000000003a1ab000 CR4: 00000000003506f0 Call Trace: advance_sched+0xac1/0xcb0 net/sched/sch_taprio.c:997 __run_hrtimer kernel/time/hrtimer.c:1688 [inline] __hrtimer_run_queues+0x59f/0xd20 kernel/time/hrtimer.c:1752 hrtimer_interrupt+0x396/0x980 kernel/time/hrtimer.c:1814 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline] __sysvec_apic_timer_interrupt+0x104/0x3a0 arch/x86/kernel/apic/apic.c:1082 sysvec_apic_timer_interrupt+0x92/0xb0 arch/x86/kernel/apic/apic.c:1076 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:202 Code: 00 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 fa 25 4c f6 48 89 df e8 32 60 4d f6 e8 ad 38 74 f6 fb bf 01 00 00 00 a2 84 3f f6 65 8b 05 63 92 e2 74 85 c0 74 02 5b c3 e8 30 60 df RSP: 0018:ffffc9000e1e7d20 EFLAGS: 00000282 RAX: 4c7191589747c500 RBX: ffff888029faa488 RCX: ffffffff925cc303 RDX: dffffc0000000000 RSI: ffffffff8b6aaf40 RDI: 0000000000000001 RBP: 00000000ffffff83 R08: ffffffff8f00c02f R09: 1ffffffff1e01805 R10: dffffc0000000000 R11: fffffbfff1e01806 R12: ffff888029faa400 R13: 7fffffffffffffff R14: ffff888029faa480 R15: 0000000000000003 spin_unlock_irq include/linux/spinlock.h:401 [inline] do_timerfd_settime+0xd1d/0x1000 fs/timerfd.c:521 __do_sys_timerfd_settime fs/timerfd.c:567 [inline] __se_sys_timerfd_settime fs/timerfd.c:558 [inline] __x64_sys_timerfd_settime+0x16f/0x220 fs/timerfd.c:558 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x45/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f681127cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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:00007f68120640c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011e RAX: ffffffffffffffda RBX: 00007f681139bf80 RCX: 00007f681127cae9 RDX: 0000000020000000 RSI: 0000000000000003 RDI: 0000000000000003 RBP: 00007f68112c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f681139bf80 R15: 00007fffa39a9c28