------------[ cut here ]------------ WARNING: mm/page_alloc.c:5197 at __alloc_frozen_pages_noprof+0x738/0x1148 mm/page_alloc.c:5197, CPU#0: syz.2.17/4025 Modules linked in: CPU: 0 UID: 0 PID: 4025 Comm: syz.2.17 Not tainted syzkaller #0 PREEMPT Hardware name: linux,dummy-virt (DT) pstate: 21402009 (nzCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--) pc : __alloc_frozen_pages_noprof+0x738/0x1148 mm/page_alloc.c:5197 lr : alloc_pages_mpol+0x70/0x1a4 mm/mempolicy.c:2490 sp : ffff800089f03900 x29: ffff800089f03a00 x28: 000000000000000b x27: 0000000000000000 x26: 0000000000000000 x25: f7f0000015c00000 x24: 0000000000040dc0 x23: 0000000000000000 x22: 0000000000000000 x21: 000000000000000b x20: ffffffffffffffff x19: 0000000000000000 x18: 0000000000000002 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000020000200 x14: ffff800082893000 x13: ffffc1ffc0000000 x12: 0000000000000001 x11: 0000000000000000 x10: ffff800082b4f0f8 x9 : 0000000000000000 x8 : 0000000000000030 x7 : ffff800082e287d0 x6 : 0000000000000001 x5 : 0000000000000000 x4 : fbf0000006662200 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000001 x0 : ffff800082d8e000 Call trace: __alloc_frozen_pages_noprof+0x738/0x1148 mm/page_alloc.c:5197 (P) alloc_pages_mpol+0x70/0x1a4 mm/mempolicy.c:2490 alloc_frozen_pages_noprof+0x48/0xd4 mm/mempolicy.c:2561 ___kmalloc_large_node+0x11c/0x13c mm/slub.c:5275 __kmalloc_large_node_noprof mm/slub.c:5306 [inline] __do_kmalloc_node mm/slub.c:5322 [inline] __kmalloc_noprof+0x444/0x550 mm/slub.c:5347 _kmalloc_noprof include/linux/slab.h:973 [inline] _kzalloc_noprof include/linux/slab.h:1286 [inline] fill_object_idr drivers/gpu/drm/drm_lease.c:389 [inline] drm_mode_create_lease_ioctl+0x184/0x93c drivers/gpu/drm/drm_lease.c:521 drm_ioctl_kernel+0xc0/0x130 drivers/gpu/drm/drm_ioctl.c:805 drm_ioctl+0x258/0x580 drivers/gpu/drm/drm_ioctl.c:902 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl fs/ioctl.c:583 [inline] __arm64_sys_ioctl+0xac/0x104 fs/ioctl.c:583 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x54/0x10c arch/arm64/kernel/syscall.c:49 el0_svc_common.constprop.0+0x40/0xe0 arch/arm64/kernel/syscall.c:121 do_el0_svc+0x1c/0x34 arch/arm64/kernel/syscall.c:140 el0_svc+0x38/0x1fc arch/arm64/kernel/entry-common.c:736 el0t_64_sync_handler+0xa0/0xf0 arch/arm64/kernel/entry-common.c:755 el0t_64_sync+0x1a4/0x1a8 arch/arm64/kernel/entry.S:594 ---[ end trace 0000000000000000 ]---