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WARNING: CPU: 0 PID: 12898 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x31e/0x3b0 drivers/gpu/drm/vkms/vkms_crtc.c:21
Modules linked in:
CPU: 0 PID: 12898 Comm: syz-executor.0 Not tainted 5.12.0-rc8-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:vkms_vblank_simulate+0x31e/0x3b0 drivers/gpu/drm/vkms/vkms_crtc.c:21
Code: 85 9e 00 00 00 48 8b 95 b8 01 00 00 4c 89 e1 bf 02 00 00 00 48 c7 c6 60 36 d8 89 e8 ac fa ef ff e9 e5 fe ff ff e8 12 5c 26 fd <0f> 0b e9 88 fd ff ff e8 26 92 69 fd e9 11 fe ff ff 4c 89 ef e8 19
RSP: 0000:ffffc90000007df0 EFLAGS: 00010046
RAX: 0000000000010002 RBX: ffff888015f45e58 RCX: 0000000000000000
RDX: ffff88801a262140 RSI: ffffffff844ccd8e RDI: 0000000000000003
RBP: 0000000000000005 R08: 0000000000000001 R09: 0000000000000000
R10: ffffffff844ccb13 R11: 0000000000000000 R12: ffff888015f44d30
R13: 0000000000fe4c00 R14: ffff88802ca26340 R15: ffffffff844cca70
FS:  00007fc9c7726700(0000) GS:ffff88802ca00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000040dc90 CR3: 0000000078d01000 CR4: 0000000000150ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __run_hrtimer kernel/time/hrtimer.c:1537 [inline]
 __hrtimer_run_queues+0x609/0xe40 kernel/time/hrtimer.c:1601
 hrtimer_interrupt+0x330/0xa00 kernel/time/hrtimer.c:1663
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x540 arch/x86/kernel/apic/apic.c:1106
 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1100
 </IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:632
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:191
Code: 74 24 10 e8 fa 1a 53 f8 48 89 ef e8 32 d1 53 f8 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 <e8> 83 9f 47 f8 65 8b 05 bc 35 fc 76 85 c0 74 0a 5b 5d c3 e8 90 5f
RSP: 0000:ffffc900025f72a0 EFLAGS: 00000206
RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff1f5bbaa
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001
RBP: ffff8880452f7800 R08: 0000000000000001 R09: ffffffff8fa9f947
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000246 R14: ffff8880458d0010 R15: 0000000000000000
 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline]
 ata_scsi_queuecmd+0xdc/0x190 drivers/ata/libata-scsi.c:4110
 scsi_dispatch_cmd drivers/scsi/scsi_lib.c:1528 [inline]
 scsi_queue_rq+0x15c3/0x31e0 drivers/scsi/scsi_lib.c:1692
 blk_mq_dispatch_rq_list+0x3a1/0x1ea0 block/blk-mq.c:1369
 __blk_mq_do_dispatch_sched+0x3bc/0x890 block/blk-mq-sched.c:186
 blk_mq_do_dispatch_sched block/blk-mq-sched.c:199 [inline]
 __blk_mq_sched_dispatch_requests+0x361/0x490 block/blk-mq-sched.c:315
 blk_mq_sched_dispatch_requests+0xfb/0x180 block/blk-mq-sched.c:341
 __blk_mq_run_hw_queue+0xd8/0x150 block/blk-mq.c:1488
 __blk_mq_delay_run_hw_queue+0x522/0x5f0 block/blk-mq.c:1565
 blk_mq_run_hw_queue+0x16c/0x2f0 block/blk-mq.c:1618
 blk_mq_sched_insert_requests+0x274/0x670 block/blk-mq-sched.c:491
 blk_mq_flush_plug_list+0x3d8/0x560 block/blk-mq.c:1942
 blk_flush_plug_list block/blk-core.c:1749 [inline]
 blk_finish_plug block/blk-core.c:1766 [inline]
 blk_finish_plug+0x83/0xe0 block/blk-core.c:1762
 read_pages+0x4a5/0x8d0 mm/readahead.c:150
 page_cache_ra_unbounded+0x50c/0x920 mm/readahead.c:212
 do_page_cache_ra+0xf9/0x140 mm/readahead.c:267
 do_sync_mmap_readahead mm/filemap.c:2810 [inline]
 filemap_fault+0x1a31/0x2b20 mm/filemap.c:2898
 ext4_filemap_fault+0x87/0xc0 fs/ext4/inode.c:6196
 __do_fault+0x10d/0x4d0 mm/memory.c:3637
 do_read_fault mm/memory.c:3939 [inline]
 do_fault mm/memory.c:4067 [inline]
 handle_pte_fault mm/memory.c:4318 [inline]
 __handle_mm_fault+0x2c87/0x4f70 mm/memory.c:4453
 handle_mm_fault+0x1bc/0x7e0 mm/memory.c:4551
 do_user_addr_fault+0x483/0x1210 arch/x86/mm/fault.c:1390
 handle_page_fault arch/x86/mm/fault.c:1475 [inline]
 exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1531
 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:577
RIP: 0033:0x40dc90
Code: ff ff 48 8d 3d c9 36 0a 00 31 c0 e8 aa 68 ff ff 48 8d 3d eb 36 0a 00 31 c0 e8 9c 68 ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 90 <41> 54 55 48 89 fd 53 64 48 89 3c 25 e8 fe ff ff 80 3d 05 77 09 01
RSP: 002b:00007fc9c7726238 EFLAGS: 00010246
RAX: 000000000040dc90 RBX: 0000000000000000 RCX: 00007fc9c7726700
RDX: ed56649c455c6428 RSI: 0000000000000000 RDI: 000000000056c008
RBP: 0000000000000000 R08: 00007fc9c7726700 R09: 00007fc9c7726700
R10: 00007fc9c77269d0 R11: 0000000000000202 R12: 00007ffd857df54e
R13: 00007ffd857df54f R14: 00007fc9c7726300 R15: 0000000000022000