524155 pages RAM
0 pages HighMem/MovableOnly
211482 pages reserved
0 pages cma reserved
------------[ cut here ]------------
ret
WARNING: drivers/dma-buf/dma-buf.c:1653 at dma_buf_vmap+0x3c5/0x430 drivers/dma-buf/dma-buf.c:1653, CPU#3: syz.5.7789/31465
Modules linked in:
CPU: 3 UID: 0 PID: 31465 Comm: syz.5.7789 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:dma_buf_vmap+0x3c5/0x430 drivers/dma-buf/dma-buf.c:1653
Code: fb e9 22 fd ff ff 48 8b 3c 24 e8 c6 ba fc fb e9 30 ff ff ff e8 1c 3a 8d fb 90 0f 0b e8 14 3a 8d fb 90 0f 0b e8 0c 3a 8d fb 90 <0f> 0b 90 e9 3f fe ff ff e8 fe 8d 3a 05 4c 89 ff e8 d6 b9 fc fb e9
RSP: 0000:ffffc9000cc4f378 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff8880248d4400 RCX: ffffffff867bec31
RDX: ffff88804c7cca80 RSI: ffffffff867bed74 RDI: ffff88804c7cca80
RBP: ffffc9000cc4f418 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000fffffff4 R11: 0000000000000000 R12: ffff8880248d54d0
R13: 1ffff92001989e72 R14: 00000000fffffff4 R15: ffff8880248d4430
FS:  0000000000000000(0000) GS:ffff888096ef2000(0063) knlGS:00000000f5436b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f738e1ac CR3: 0000000079467000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 00000000000f000e DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 drm_gem_shmem_vmap_locked+0x113/0x860 drivers/gpu/drm/drm_gem_shmem_helper.c:398
 drm_gem_vmap_locked+0xc8/0x1c0 drivers/gpu/drm/drm_gem.c:1422
 drm_gem_vmap+0x4a/0xa0 drivers/gpu/drm/drm_gem.c:1464
 drm_gem_fb_vmap+0xc7/0x450 drivers/gpu/drm/drm_gem_framebuffer_helper.c:369
 vkms_prepare_fb+0x87/0xb0 drivers/gpu/drm/vkms/vkms_plane.c:197
 drm_atomic_helper_prepare_planes drivers/gpu/drm/drm_atomic_helper.c:2838 [inline]
 drm_atomic_helper_prepare_planes+0x1f2/0xbe0 drivers/gpu/drm/drm_atomic_helper.c:2814
 drm_atomic_helper_commit+0x191/0x380 drivers/gpu/drm/drm_atomic_helper.c:2268
 drm_atomic_commit+0x230/0x300 drivers/gpu/drm/drm_atomic.c:1789
 drm_atomic_helper_update_plane+0x314/0x400 drivers/gpu/drm/drm_atomic_helper.c:3438
 __setplane_atomic+0x22d/0x350 drivers/gpu/drm/drm_plane.c:1101
 drm_mode_cursor_universal+0x5e9/0xe20 drivers/gpu/drm/drm_plane.c:1256
 drm_mode_cursor_common+0x308/0x970 drivers/gpu/drm/drm_plane.c:1315
 drm_mode_cursor_ioctl+0xd4/0x110 drivers/gpu/drm/drm_plane.c:1365
 drm_ioctl_kernel+0x1f3/0x3e0 drivers/gpu/drm/drm_ioctl.c:817
 drm_ioctl+0x5e6/0xc60 drivers/gpu/drm/drm_ioctl.c:914
 drm_compat_ioctl+0x386/0x4c0 drivers/gpu/drm/drm_ioc32.c:381
 __do_compat_sys_ioctl fs/ioctl.c:695 [inline]
 __se_compat_sys_ioctl fs/ioctl.c:638 [inline]
 __ia32_compat_sys_ioctl+0x2cf/0x360 fs/ioctl.c:638
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0xe7/0x970 arch/x86/entry/syscall_32.c:307
 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f77fec
Code: Unable to access opcode bytes at 0xf7f77fc2.
RSP: 002b:00000000f543650c EFLAGS: 00000292 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000c01c64a3
RDX: 00000000800001c0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>