WARNING: CPU: 0 PID: 2961 at mm/slab_common.c:962 kmalloc_slab+0x5d/0x70 mm/slab_common.c:962
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 2961 Comm: syzkaller163741 Not tainted 4.13.0-rc7-next-20170901+ #13
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:16 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:52
 panic+0x1e4/0x417 kernel/panic.c:181
 __warn+0x1c4/0x1d9 kernel/panic.c:542
 report_bug+0x211/0x2d0 lib/bug.c:183
 fixup_bug+0x40/0x90 arch/x86/kernel/traps.c:178
 do_trap_no_signal arch/x86/kernel/traps.c:212 [inline]
 do_trap+0x260/0x390 arch/x86/kernel/traps.c:261
 do_error_trap+0x120/0x390 arch/x86/kernel/traps.c:298
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:311
 invalid_op+0x18/0x20 arch/x86/entry/entry_64.S:905
RIP: 0010:kmalloc_slab+0x5d/0x70 mm/slab_common.c:962
RSP: 0018:ffff88006c727908 EFLAGS: 00010246
RAX: 0000000000000000 RBX: fffffffffffffff4 RCX: 0000000000000018
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000007000050
RBP: ffff88006c727908 R08: ffffed0007b9a817 R09: 0000000000000100
R10: 0000000000000800 R11: ffffed0007b9a817 R12: 1ffff1000d8e4f39
R13: ffff88003bfba1c0 R14: 00000000014080c0 R15: ffff88003dcd00c8
 __do_kmalloc mm/slab.c:3720 [inline]
 __kmalloc+0x25/0x760 mm/slab.c:3734
 kmalloc include/linux/slab.h:498 [inline]
 kzalloc include/linux/slab.h:666 [inline]
 drm_property_create_blob.part.3+0x96/0x440 drivers/gpu/drm/drm_property.c:546
 drm_property_create_blob drivers/gpu/drm/drm_property.c:798 [inline]
 drm_mode_createblob_ioctl+0x145/0x490 drivers/gpu/drm/drm_property.c:774
 drm_ioctl_kernel+0x1e7/0x2e0 drivers/gpu/drm/drm_ioctl.c:735
 drm_ioctl+0x72e/0xa50 drivers/gpu/drm/drm_ioctl.c:831
 vfs_ioctl fs/ioctl.c:45 [inline]
 do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:685
 SYSC_ioctl fs/ioctl.c:700 [inline]
 SyS_ioctl+0x8f/0xc0 fs/ioctl.c:691
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x438fe9
RSP: 002b:00007ffc8b3418c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000438fe9
RDX: 0000000020929ff2 RSI: fffffffffffff4bd RDI: 0000000000000003
RBP: 0000000000000082 R08: 00000000000000fd R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000401c40 R14: 0000000000401cd0 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..