rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2680 jiffies s: 2425 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: 5463 Comm: syz-executor.0 Not tainted 6.6.0-rc4-syzkaller-g8a749fd1a872 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:__raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline]
RIP: 0010:_raw_spin_unlock+0x2f/0x40 kernel/locking/spinlock.c:186
Code: 48 8b 74 24 08 48 89 fb 48 83 c7 18 e8 1a 26 26 f7 48 89 df e8 12 a5 26 f7 bf 01 00 00 00 e8 28 0f 18 f7 65 8b 05 39 63 c2 75 <85> c0 74 02 5b c3 e8 06 28 bf f6 5b c3 0f 1f 40 00 f3 0f 1e fa 53
RSP: 0018:ffffc900003f8d80 EFLAGS: 00000017
RAX: 0000000000010000 RBX: ffff888014ec22e8 RCX: 0000000000000000
RDX: 0000000000010001 RSI: 0000000000000004 RDI: 0000000000000001
RBP: ffff88801e234410 R08: 0000000000000000 R09: ffffed10029d845d
R10: ffff888014ec22eb R11: dffffc0000000000 R12: 0000000000000002
R13: ffff88801e234400 R14: ffff888014ec2340 R15: ffff888026366000
FS:  00005555567cb480(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4bbb39bf84 CR3: 000000001d620000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 spin_unlock include/linux/spinlock.h:391 [inline]
 advance_sched+0x60e/0xc60 net/sched/sch_taprio.c:992
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x203/0xc10 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1063 [inline]
 __sysvec_apic_timer_interrupt+0x105/0x3f0 arch/x86/kernel/apic/apic.c:1080
 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1074
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:debug_check_no_locks_freed+0x24/0x2a0 kernel/locking/lockdep.c:6559
Code: 84 00 00 00 00 00 f3 0f 1e fa 48 c7 c0 b8 d3 cd 8e 41 57 49 89 f7 48 ba 00 00 00 00 00 fc ff df 48 89 c1 41 56 83 e0 07 41 55 <48> c1 e9 03 83 c0 03 41 54 55 48 89 fd 53 48 83 ec 10 0f b6 14 11
RSP: 0018:ffffc9000372fa60 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff88801e228490 RCX: ffffffff8ecdd3b8
RDX: dffffc0000000000 RSI: 0000000000000040 RDI: ffff88801e228490
RBP: ffffffff8a8c9100 R08: 0000000000000001 R09: ffffed1003c4508f
R10: ffff88801e22847f R11: 0000000000000000 R12: ffffffff9061d920
R13: 0000000000000002 R14: 000000000000fffa R15: 0000000000000040
 __raw_spin_lock_init+0x20/0x110 kernel/locking/spinlock_debug.c:23
 __init_rwsem+0xaa/0x1b0 kernel/locking/rwsem.c:324
 vma_lock_alloc kernel/fork.c:463 [inline]
 vm_area_dup+0x9d/0x2f0 kernel/fork.c:512
 __split_vma+0x181/0x1070 mm/mmap.c:2342
 split_vma+0xc8/0x110 mm/mmap.c:2414
 mprotect_fixup+0xa10/0xdf0 mm/mprotect.c:644
 do_mprotect_pkey+0x852/0xd60 mm/mprotect.c:819
 __do_sys_mprotect mm/mprotect.c:840 [inline]
 __se_sys_mprotect mm/mprotect.c:837 [inline]
 __x64_sys_mprotect+0x78/0xb0 mm/mprotect.c:837
 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: 0033:0x7f4bbb27cba7
Code: 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 0a 00 00 00 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:00007ffd6e68de98 EFLAGS: 00000206 ORIG_RAX: 000000000000000a
RAX: ffffffffffffffda RBX: 00007f4bbc0086c0 RCX: 00007f4bbb27cba7
RDX: 0000000000000003 RSI: 0000000000020000 RDI: 00007f4bbbfe9000
RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000
R10: 0000000000021000 R11: 0000000000000206 R12: 00007ffd6e68e140
R13: ffffffffffffffc0 R14: 0000000000001000 R15: 0000000000000000
 </TASK>