syzbot

rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...0: (1 GPs behind) idle=4b8c/1/0x4000000000000000 softirq=6234/6236 fqs=5249
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:        0          0            0
rcu: 	cputime:        0          0            0   ==> 52500(ms)
rcu: 	(detected by 1, t=10502 jiffies, g=6393, q=14 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5431 Comm: syz-executor272 Not tainted 6.2.0-syzkaller-13534-gb01fe98d34f3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
RIP: 0010:check_region_inline mm/kasan/generic.c:170 [inline]
RIP: 0010:kasan_check_range+0x130/0x190 mm/kasan/generic.c:187
Code: 00 74 ef 49 8d 04 2c 48 85 d2 75 0b 48 89 da 48 29 c2 e9 55 ff ff ff 49 39 d2 75 17 49 0f be 02 41 83 e1 07 49 39 c1 7d 0a 5b <b8> 01 00 00 00 5d 41 5c c3 44 89 c2 e8 9f ee ff ff 5b 83 f0 01 5d
RSP: 0018:ffffc90003ddf7b8 EFLAGS: 00000046
RAX: fffffbfff229bd8a RBX: 000000000000064b RCX: ffffffff8165fa7a
RDX: fffffbfff229bd8a RSI: 0000000000000008 RDI: ffffffff914dec48
RBP: fffffbfff229bd89 R08: 0000000000000000 R09: ffffffff914dec4f
R10: fffffbfff229bd89 R11: 0000000000000000 R12: ffff888020d20a60
R13: ffff888020d20000 R14: 0000000000000000 R15: 870a90b2e1f8c67d
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff194df5f8 CR3: 0000000074ae1000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 instrument_atomic_read include/linux/instrumented.h:72 [inline]
 _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
 hlock_class kernel/locking/lockdep.c:228 [inline]
 __lock_acquire+0x16ea/0x5d40 kernel/locking/lockdep.c:5052
 lock_acquire kernel/locking/lockdep.c:5669 [inline]
 lock_acquire+0x1e3/0x670 kernel/locking/lockdep.c:5634
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x3d/0x60 kernel/locking/spinlock.c:162
 vga_put+0x3b/0x100 drivers/pci/vgaarb.c:536
 vga_arb_release+0x264/0x500 drivers/pci/vgaarb.c:1463
 __fput+0x27c/0xa90 fs/file_table.c:321
 task_work_run+0x16f/0x270 kernel/task_work.c:179
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xad3/0x2a40 kernel/exit.c:869
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1019
 get_signal+0x2315/0x25b0 kernel/signal.c:2859
 arch_do_signal_or_restart+0x79/0x5c0 arch/x86/kernel/signal.c:306
 exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
 exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:203
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296
 do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f1c9cc6c8d9
Code: Unable to access opcode bytes at 0x7f1c9cc6c8af.
RSP: 002b:00007f1c9cbfd318 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f1c9ccf43f8 RCX: 00007f1c9cc6c8d9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f1c9ccf43f8
RBP: 00007f1c9ccf43f0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 61206b636f6c6e75
R13: 00007fff194df59f R14: 00007f1c9cbfd400 R15: 0000000000022000
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.027 msecs