drm_atomic_helper_update_plane+0x248/0x3b0 drivers/gpu/drm/drm_atomic_helper.c:3348 drm_mode_cursor_universal drivers/gpu/drm/drm_plane.c:1256 [inline] drm_mode_cursor_common+0xb7e/0x12d0 drivers/gpu/drm/drm_plane.c:1315 drm_mode_cursor_ioctl+0xbf/0x110 drivers/gpu/drm/drm_plane.c:1365 drm_ioctl_kernel+0x2cf/0x390 drivers/gpu/drm/drm_ioctl.c:797 drm_ioctl+0x67f/0xb10 drivers/gpu/drm/drm_ioctl.c:894 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4d49d8f7c9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f4d4accf038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f4d49fe5fa0 RCX: 00007f4d49d8f7c9 RDX: 0000200000000280 RSI: 00000000c01c64a3 RDI: 0000000000000003 RBP: 00007f4d4accf090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007f4d49fe6038 R14: 00007f4d49fe5fa0 R15: 00007fff088caee8 Mem-Info: active_anon:3357 inactive_anon:8 isolated_anon:0 active_file:931 inactive_file:38786 isolated_file:0 unevictable:1762 dirty:0 writeback:0 slab_reclaimable:7329 slab_unreclaimable:30434 mapped:10066 shmem:2225 pagetables:702 sec_pagetables:290 bounce:0 kernel_misc_reclaimable:0 free:36955 free_pcp:1104 free_cma:0 Node 0 active_anon:72kB inactive_anon:32kB active_file:0kB inactive_file:16kB unevictable:1512kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:1536kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB kernel_stack:3600kB pagetables:712kB sec_pagetables:1092kB all_unreclaimable? yes Balloon:0kB Node 1 active_anon:13356kB inactive_anon:0kB active_file:3724kB inactive_file:155128kB unevictable:5536kB isolated(anon):0kB isolated(file):0kB mapped:40256kB dirty:0kB writeback:0kB shmem:7364kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB kernel_stack:6192kB pagetables:2096kB sec_pagetables:68kB all_unreclaimable? no Balloon:0kB Node 0 DMA free:1276kB boost:0kB min:760kB low:948kB high:1136kB reserved_highatomic:0KB free_highatomic:0KB active_anon:36kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:504kB writepending:0kB zspages:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:172kB local_pcp:172kB free_cma:0kB lowmem_reserve[]: 0 125 125 125 125 Node 0 DMA32 free:5916kB boost:0kB min:4980kB low:6224kB high:7468kB reserved_highatomic:0KB free_highatomic:0KB active_anon:36kB inactive_anon:32kB active_file:0kB inactive_file:16kB unevictable:1008kB writepending:0kB zspages:0kB present:770052kB managed:128248kB mlocked:0kB bounce:0kB free_pcp:496kB local_pcp:496kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 1 DMA32 free:140628kB boost:0kB min:34308kB low:42884kB high:51460kB reserved_highatomic:0KB free_highatomic:0KB active_anon:13356kB inactive_anon:0kB active_file:3724kB inactive_file:155128kB unevictable:5536kB writepending:0kB zspages:1108kB present:786288kB managed:690812kB mlocked:0kB bounce:0kB free_pcp:3640kB local_pcp:3640kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 3*32kB (UM) 8*64kB (UM) 1*128kB (M) 0*256kB 1*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 1276kB Node 0 DMA32: 1*4kB (U) 9*8kB (ME) 17*16kB (UM) 10*32kB (M) 12*64kB (UME) 11*128kB (UME) 4*256kB (M) 4*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 5916kB Node 1 DMA32: 1*4kB (M) 2*8kB (UM) 2*16kB (ME) 2*32kB (UM) 3*64kB (UME) 2*128kB (UM) 1*256kB (M) 1*512kB (M) 2*1024kB (UM) 3*2048kB (UME) 32*4096kB (M) = 140596kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB 41988 total pagecache pages 45 pages in swap cache Free swap = 123952kB Total swap = 124996kB 393083 pages RAM 0 pages HighMem/MovableOnly 184478 pages reserved 0 pages cma reserved ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5322 at drivers/dma-buf/dma-buf.c:1536 dma_buf_vmap+0x306/0x3b0 drivers/dma-buf/dma-buf.c:1536 Modules linked in: CPU: 0 UID: 0 PID: 5322 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:dma_buf_vmap+0x306/0x3b0 drivers/dma-buf/dma-buf.c:1536 Code: 64 05 cc e8 0c 99 d7 fb 90 0f 0b 90 b8 ea ff ff ff eb bc e8 fc 98 d7 fb 90 0f 0b 90 e9 0d fe ff ff e8 ee 98 d7 fb 44 89 f0 90 <0f> 0b 90 49 bd 00 00 00 00 00 fc ff df eb 91 e8 c6 9c 61 05 48 c7 RSP: 0018:ffffc9000d3a73a0 EFLAGS: 00010293 RAX: 00000000fffffff4 RBX: ffff8880110aec28 RCX: ffff888000558000 RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000 RBP: ffffc9000d3a7450 R08: ffffc9000d3a7227 R09: 1ffff92001a74e44 R10: dffffc0000000000 R11: fffff52001a74e45 R12: ffffffff85ea4500 R13: ffff8880110aec30 R14: 00000000fffffff4 R15: 1ffff11002215d85 FS: 00007f4d4accf6c0(0000) GS:ffff88808d722000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4d4ab1d9b8 CR3: 0000000012560000 CR4: 0000000000352ef0 Call Trace: drm_gem_shmem_vmap_locked+0x14c/0x790 drivers/gpu/drm/drm_gem_shmem_helper.c:354 drm_gem_vmap_locked drivers/gpu/drm/drm_gem.c:1279 [inline] drm_gem_vmap+0x10a/0x1d0 drivers/gpu/drm/drm_gem.c:1321 drm_gem_fb_vmap+0xaa/0x8d0 drivers/gpu/drm/drm_gem_framebuffer_helper.c:368 drm_atomic_helper_prepare_planes+0x2d6/0xb60 drivers/gpu/drm/drm_atomic_helper.c:2760 drm_atomic_helper_commit+0x19a/0xb10 drivers/gpu/drm/drm_atomic_helper.c:2189 drm_atomic_commit+0x262/0x2c0 drivers/gpu/drm/drm_atomic.c:1577 drm_atomic_helper_update_plane+0x248/0x3b0 drivers/gpu/drm/drm_atomic_helper.c:3348 drm_mode_cursor_universal drivers/gpu/drm/drm_plane.c:1256 [inline] drm_mode_cursor_common+0xb7e/0x12d0 drivers/gpu/drm/drm_plane.c:1315 drm_mode_cursor_ioctl+0xbf/0x110 drivers/gpu/drm/drm_plane.c:1365 drm_ioctl_kernel+0x2cf/0x390 drivers/gpu/drm/drm_ioctl.c:797 drm_ioctl+0x67f/0xb10 drivers/gpu/drm/drm_ioctl.c:894 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4d49d8f7c9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f4d4accf038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f4d49fe5fa0 RCX: 00007f4d49d8f7c9 RDX: 0000200000000280 RSI: 00000000c01c64a3 RDI: 0000000000000003 RBP: 00007f4d4accf090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007f4d49fe6038 R14: 00007f4d49fe5fa0 R15: 00007fff088caee8