rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (0 ticks this GP) idle=4254/1/0x4000000000000000 softirq=6690/6690 fqs=0
rcu: 	(detected by 1, t=10502 jiffies, g=6329, q=100 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 9202 Comm: syz-executor131 Not tainted 6.7.0-syzkaller-09928-g052d534373b7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:__vga_put drivers/pci/vgaarb.c:396 [inline]
RIP: 0010:vga_put drivers/pci/vgaarb.c:551 [inline]
RIP: 0010:vga_arb_release+0x3c9/0xaf0 drivers/pci/vgaarb.c:1455
Code: eb 17 e8 8a 74 b8 fc 42 0f b6 44 2d 00 84 c0 0f 85 44 01 00 00 41 80 26 fd 42 0f b6 44 2d 00 84 c0 0f 85 d8 00 00 00 41 8b 1e <8b> 2c 24 89 ef 89 de e8 db 75 b8 fc 39 dd 75 07 e8 52 74 b8 fc eb
RSP: 0018:ffffc90004f5f898 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff8880799f9dc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffff110026e81b4 R08: ffffffff84d67966 R09: fffff520009ebef0
R10: dffffc0000000000 R11: fffff520009ebef0 R12: 0000000000000046
R13: dffffc0000000000 R14: ffff888013740da0 R15: ffff88802d3d9818
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f44fd1df9f8 CR3: 000000000d732000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 __fput+0x428/0x890 fs/file_table.c:376
 task_work_run+0x24a/0x300 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa2c/0x2740 kernel/exit.c:871
 do_group_exit+0x206/0x2c0 kernel/exit.c:1020
 get_signal+0x1769/0x1840 kernel/signal.c:2893
 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:310
 exit_to_user_mode_loop kernel/entry/common.c:105 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:201 [inline]
 syscall_exit_to_user_mode+0xc8/0x370 kernel/entry/common.c:212
 do_syscall_64+0x102/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f44fd189369
Code: Unable to access opcode bytes at 0x7f44fd18933f.
RSP: 002b:00007f44fd14a238 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f44fd213308 RCX: 00007f44fd189369
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f44fd213308
RBP: 00007f44fd213300 R08: 00007f44fd14a6c0 R09: 00007f44fd14a6c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f44fd21330c
R13: 0000000000000000 R14: 00007ffe789e0a20 R15: 00007ffe789e0b08
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.028 msecs
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g6329 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=0 timer-softirq=2509
rcu: rcu_preempt kthread starved for 10502 jiffies! g6329 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:I stack:27248 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x4960 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 schedule_timeout+0x1bd/0x300 kernel/time/timer.c:2183
 rcu_gp_fqs_loop+0x30a/0x1500 kernel/rcu/tree.c:1631
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:1830
 kthread+0x2d3/0x370 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>