rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2631 jiffies s: 14301 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: 7708 Comm: syz-executor.4 Not tainted 6.9.0-rc4-syzkaller-00274-g3b68086599f8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:hlock_class kernel/locking/lockdep.c:240 [inline]
RIP: 0010:__lock_acquire+0x126f/0x1fd0 kernel/locking/lockdep.c:5134
Code: 18 81 e3 ff 1f 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 00 b5 ef 92 be 08 00 00 00 e8 4b 81 84 00 48 0f a3 1d 03 22 7d 11 73 1d <48> 69 c3 c8 00 00 00 48 8d 98 00 14 be 92 48 ba 00 00 00 00 00 fc
RSP: 0018:ffffc90004777850 EFLAGS: 00000057
RAX: 0000000000000001 RBX: 00000000000001dd RCX: ffffffff817292f5
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff92efb538
RBP: 02e8177b246ce955 R08: ffffffff92efb53f R09: 1ffffffff25df6a7
R10: dffffc0000000000 R11: fffffbfff25df6a8 R12: ffff888021b03c00
R13: ffff888021b03c00 R14: 0000000000000000 R15: ffff888021b03c00
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcdd40aa6c CR3: 000000002c656000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162
 vga_put drivers/pci/vgaarb.c:547 [inline]
 vga_arb_release+0x233/0xaf0 drivers/pci/vgaarb.c:1455
 __fput+0x429/0x8a0 fs/file_table.c:422
 task_work_run+0x24f/0x310 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa1b/0x27e0 kernel/exit.c:878
 do_group_exit+0x207/0x2c0 kernel/exit.c:1027
 __do_sys_exit_group kernel/exit.c:1038 [inline]
 __se_sys_exit_group kernel/exit.c:1036 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1036
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe8fda7dea9
Code: Unable to access opcode bytes at 0x7fe8fda7de7f.
RSP: 002b:00007fe8fe86baf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fe8fda7dea9
RDX: 00007fe8fdacb864 RSI: 0000000000000000 RDI: 000000000000000b
RBP: 00007fe8fdaca4a4 R08: 00007fe8fe8d00b0 R09: 000000000000000b
R10: 0000000000000010 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fe8fdbac1f0 R15: 00007ffdbc3d6918
 </TASK>