rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2645 jiffies s: 28653 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: 14462 Comm: syz-executor.5 Not tainted 6.5.0-rc6-syzkaller-00200-gd4ddefee5160 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:__lock_release kernel/locking/lockdep.c:5465 [inline] RIP: 0010:lock_release+0x2f8/0x9d0 kernel/locking/lockdep.c:5781 Code: 85 25 05 00 00 45 89 2c 24 41 81 fd ff ff 1f 00 0f 87 b9 02 00 00 49 bc 00 00 00 00 00 fc ff df 48 8b 44 24 48 42 0f b6 04 20 <84> c0 0f 85 d0 04 00 00 89 16 4c 89 f8 48 c1 e8 03 42 80 3c 20 00 RSP: 0018:ffffc90000007b40 EFLAGS: 00000083 RAX: 0000000000000000 RBX: 1ffff110043f4c85 RCX: ffffc90000007b03 RDX: 0000000000000000 RSI: ffff888021fa6400 RDI: ffff888021fa6408 RBP: ffffc90000007c70 R08: ffffffff8e9876ef R09: 1ffffffff1d30edd R10: dffffc0000000000 R11: fffffbfff1d30ede R12: dffffc0000000000 R13: 00000000000c4b9e R14: dffffc0000000000 R15: ffff888021fa6408 FS: 0000555555b47480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f316b598000 CR3: 0000000077321000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __raw_spin_unlock include/linux/spinlock_api_smp.h:141 [inline] _raw_spin_unlock+0x16/0x40 kernel/locking/spinlock.c:186 spin_unlock include/linux/spinlock.h:391 [inline] advance_sched+0x9bd/0xc80 net/sched/sch_taprio.c:992 __run_hrtimer kernel/time/hrtimer.c:1688 [inline] __hrtimer_run_queues+0x59f/0xd10 kernel/time/hrtimer.c:1752 hrtimer_interrupt+0x396/0x980 kernel/time/hrtimer.c:1814 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1098 [inline] __sysvec_apic_timer_interrupt+0x13f/0x480 arch/x86/kernel/apic/apic.c:1115 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1109 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:finish_lock_switch+0x95/0x110 kernel/sched/core.c:5134 Code: 45 31 c9 68 87 4e 61 81 e8 98 be 09 00 48 83 c4 08 4c 89 ff e8 9c ab fe ff 66 90 4c 89 ff e8 92 a4 65 09 e8 0d 2a 31 00 fb 5b <41> 5c 41 5d 41 5e 41 5f c3 44 89 f1 80 e1 07 80 c1 03 38 c1 7c 83 RSP: 0018:ffffc90014f377f8 EFLAGS: 00000286 RAX: 3662665bc5908c00 RBX: ffff888022d70034 RCX: ffffffff91fac203 RDX: dffffc0000000000 RSI: ffffffff8b0a97e0 RDI: ffffffff8b58ad60 RBP: ffffc90014f37870 R08: ffffffff8e9876ef R09: 1ffffffff1d30edd R10: dffffc0000000000 R11: fffffbfff1d30ede R12: dffffc0000000000 R13: 1ffff1101730799b R14: ffff8880b983ccd8 R15: ffff8880b983bf80 finish_task_switch+0x134/0x650 kernel/sched/core.c:5251 context_switch kernel/sched/core.c:5384 [inline] __schedule+0x187b/0x48f0 kernel/sched/core.c:6710 schedule+0xc3/0x180 kernel/sched/core.c:6786 futex_wait_queue+0x151/0x1e0 kernel/futex/waitwake.c:355 futex_wait+0x207/0x5c0 kernel/futex/waitwake.c:656 do_futex+0x331/0x530 kernel/futex/syscalls.c:106 __do_sys_futex kernel/futex/syscalls.c:183 [inline] __se_sys_futex+0x3f8/0x480 kernel/futex/syscalls.c:164 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f316b47cae9 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:00007fff78f9a7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00000000000e99ce RCX: 00007f316b47cae9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f316b59bf8c RBP: 0000000000000032 R08: 00007f316b59bf8c R09: 00007f316b59bf8c R10: 00007fff78f9a930 R11: 0000000000000246 R12: 00007f316b59bf8c R13: 00000000000e9a00 R14: 00007fff78f9a950 R15: 00007fff78f9a930