rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 1-...0: (1 GPs behind) idle=70f/1/0x4000000000000000 softirq=6083/6084 fqs=5250
(detected by 0, t=10502 jiffies, g=5949, q=81)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 7937 Comm: syz-executor428 Not tainted 5.15.151-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:29 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline]
RIP: 0010:arch_local_irq_save arch/x86/include/asm/irqflags.h:106 [inline]
RIP: 0010:__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
RIP: 0010:_raw_spin_lock_irqsave+0x85/0x120 kernel/locking/spinlock.c:162
Code: f1 00 f3 f3 f3 4b 89 44 3d 00 4c 89 e3 48 c1 eb 03 42 80 3c 3b 00 74 08 4c 89 e7 e8 75 cf a4 f7 48 c7 44 24 20 00 00 00 00 9c <8f> 44 24 20 42 80 3c 3b 00 74 08 4c 89 e7 e8 d8 ce a4 f7 4c 8b 64
RSP: 0018:ffffc900034a7b58 EFLAGS: 00000046
RAX: f3f3f300f1f1f1f1 RBX: 1ffff92000694f70 RCX: ffff88801e300000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8d0ef000
RBP: ffffc900034a7bf8 R08: dffffc0000000000 R09: fffffbfff1a1de01
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900034a7b80
R13: 1ffff92000694f6c R14: ffffffff8d0ef000 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f07814849f8 CR3: 000000000c68e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<NMI>
</NMI>
<TASK>
vga_put drivers/gpu/vga/vgaarb.c:558 [inline]
vga_arb_release+0x22f/0xad0 drivers/gpu/vga/vgaarb.c:1350
__fput+0x3bf/0x890 fs/file_table.c:280
task_work_run+0x129/0x1a0 kernel/task_work.c:164
exit_task_work include/linux/task_work.h:32 [inline]
do_exit+0x6a3/0x2480 kernel/exit.c:872
do_group_exit+0x144/0x310 kernel/exit.c:994
__do_sys_exit_group kernel/exit.c:1005 [inline]
__se_sys_exit_group kernel/exit.c:1003 [inline]
__x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1003
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f078142c3c9
Code: Unable to access opcode bytes at RIP 0x7f078142c39f.
RSP: 002b:00007ffe3ff0d9d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f078142c3c9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 00007f07814b82b0 R08: ffffffffffffffb0 R09: 0000000000000003
R10: 00007ffe3ff0da60 R11: 0000000000000246 R12: 00007f07814b82b0
R13: 0000000000000000 R14: 00007f07814b8e40 R15: 00007f07813fa200
</TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.349 msecs