1048443 pages RAM
0 pages HighMem/MovableOnly
285335 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#0: syz.0.18/5929
Modules linked in:
CPU: 0 UID: 0 PID: 5929 Comm: syz.0.18 Not tainted syzkaller #0 PREEMPT(full) 
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 d6 8c fb fb e9 30 ff ff ff e8 2c 02 8b fb 90 0f 0b e8 24 02 8b fb 90 0f 0b e8 1c 02 8b fb 90 <0f> 0b 90 e9 3f fe ff ff e8 ae 4b 3c 05 4c 89 ff e8 e6 8b fb fb e9
RSP: 0018:ffffc900035473f8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff8880406fb000 RCX: ffffffff867f5e81
RDX: ffff88802b942540 RSI: ffffffff867f5fc4 RDI: ffff88802b942540
RBP: ffffc90003547498 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000fffffff4 R11: 0000000000000000 R12: ffff8880406fb4d0
R13: 1ffff920006a8e82 R14: 00000000fffffff4 R15: ffff8880406fb030
FS:  000055557bf3e500(0000) GS:ffff8880d5dd8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055fad5a23388 CR3: 00000000331fc000 CR4: 0000000000352ef0
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
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl fs/ioctl.c:583 [inline]
 __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f52ae99e019
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd9a1fd898 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f52aec25fa0 RCX: 00007f52ae99e019
RDX: 0000200000000280 RSI: 00000000c01c64a3 RDI: 0000000000000003
RBP: 00007ffd9a1fd900 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007f52aec25fac R14: 00007f52aec25fa0 R15: 00007f52aec25fa0
 </TASK>