2020/12/11 21:54:06 executed programs: 15 BUG: memory leak unreferenced object 0xffff88812529ad80 (size 64): comm "syz-executor.6", pid 10443, jiffies 4294945477 (age 15.590s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 42 32 25 81 88 ff ff .........B2%.... backtrace: [<000000003a88ebfe>] kmalloc include/linux/slab.h:552 [inline] [<000000003a88ebfe>] drm_vma_node_allow+0x32/0x120 drivers/gpu/drm/drm_vma_manager.c:274 [<000000007150daca>] drm_gem_handle_create_tail+0x10c/0x280 drivers/gpu/drm/drm_gem.c:402 [<00000000bae7867f>] vgem_gem_create drivers/gpu/drm/vgem/vgem_drv.c:199 [inline] [<00000000bae7867f>] vgem_gem_dumb_create+0x8d/0x240 drivers/gpu/drm/vgem/vgem_drv.c:219 [<0000000078b366a5>] drm_mode_create_dumb+0x121/0x150 drivers/gpu/drm/drm_dumb_buffers.c:94 [<0000000039af7ef5>] drm_ioctl_kernel+0xf0/0x160 drivers/gpu/drm/drm_ioctl.c:787 [<00000000e451646b>] drm_ioctl+0x2c8/0x4c0 drivers/gpu/drm/drm_ioctl.c:887 [<0000000085b2b617>] vfs_ioctl fs/ioctl.c:48 [inline] [<0000000085b2b617>] __do_sys_ioctl fs/ioctl.c:753 [inline] [<0000000085b2b617>] __se_sys_ioctl fs/ioctl.c:739 [inline] [<0000000085b2b617>] __x64_sys_ioctl+0xfc/0x140 fs/ioctl.c:739 [<00000000dab5e945>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<000000003680c828>] entry_SYSCALL_64_after_hwframe+0x44/0xa9