[58421.735593] ------------[ cut here ]------------ [58421.735595] kernel BUG at mm/slub.c:379! [58421.735603] invalid opcode: 0000 [#2] PREEMPT SMP PTI [58421.735607] CPU: 0 PID: 31670 Comm: poc Tainted: G [58421.735611] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006 [58421.735613] RIP: 0010:kfree+0x278/0x2a0 [58421.735621] Code: ff 4c 8d 72 ff e9 26 fe ff ff 48 8b 55 c8 4d 89 f9 41 b8 01 00 00 00 4c 89 e1 4c 89 f6 4c 89 ef e8 bd fa ff ff e9 af fe ff ff <0f> 0b 0f 0b 80 3d 4d f1 93 01 00 75 a5 e9 f5 a9 94 00 48 8b 15 1f [58421.735624] RSP: 0018:ffff9eeac63f7c70 EFLAGS: 00010246 [58421.735627] RAX: ffff93b5142ed400 RBX: ffff93b515182000 RCX: ffff93b5142ed600 [58421.735629] RDX: 00000000009c1c40 RSI: 0000000000000000 RDI: ffff93b501042b00 [58421.735631] RBP: ffff9eeac63f7ca8 R08: 0000000000000000 R09: c0000000ffffdfff [58421.735633] R10: 0000000000000001 R11: ffff9eeac63f79c0 R12: ffff93b5142ed400 [58421.735635] R13: ffff93b501042b00 R14: ffffd6460050bb00 R15: ffffffffc0355911 [58421.735637] FS: 00007f7990a55700(0000) GS:ffff93b5bda00000(0000) knlGS:0000000000000000 [58421.735639] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [58421.735641] CR2: 00007f798c000010 CR3: 000000000e91a002 CR4: 00000000000706f0 [58421.735646] Call Trace: [58421.735648] [58421.735652] vmw_bo_create+0x91/0xc0 [vmwgfx] [58421.735664] vmw_gem_object_create_with_handle+0x4c/0xc0 [vmwgfx] [58421.735676] ? _raw_spin_unlock_irqrestore+0x27/0x43 [58421.735683] ? vmw_gem_object_create_with_handle+0xc0/0xc0 [vmwgfx] [58421.735692] vmw_gem_object_create_ioctl+0x3b/0x90 [vmwgfx] [58421.735704] drm_ioctl_kernel+0xba/0x150 [drm] [58421.735769] drm_ioctl+0x258/0x430 [drm] [58421.735786] ? vmw_gem_object_create_with_handle+0xc0/0xc0 [vmwgfx] [58421.735795] ? security_capable+0x3f/0x60 [58421.735803] ? drm_ioctl_kernel+0x150/0x150 [drm] [58421.735821] ? drm_ioctl_kernel+0x150/0x150 [drm] [58421.735839] vmw_generic_ioctl+0x88/0x160 [vmwgfx] [58421.735851] vmw_unlocked_ioctl+0x15/0x20 [vmwgfx] [58421.735861] __x64_sys_ioctl+0x96/0xd0 [58421.735869] do_syscall_64+0x3a/0xc0 [58421.735874] entry_SYSCALL_64_after_hwframe+0x61/0xcb [58421.735878] RIP: 0033:0x7f7990b49597 [58421.735882] Code: 00 00 90 48 8b 05 f9 a8 0c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c9 a8 0c 00 f7 d8 64 89 01 48 [58421.735885] RSP: 002b:00007f7990a54ed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [58421.735887] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7990b49597 [58421.735889] RDX: 0000000000404080 RSI: 00000000c0186441 RDI: 0000000000000003 [58421.735890] RBP: 00007f7990a54ef0 R08: 0000000000000000 R09: 0000000000000077 [58421.735891] R10: 00007f798c0008d0 R11: 0000000000000246 R12: 00007ffdb3e89f2e [58421.735892] R13: 00007ffdb3e89f2f R14: 00007f7990a55700 R15: 0000000000000000 [58421.735894]