------------[ cut here ]------------ WARNING: mm/page_alloc.c:5197 at __alloc_frozen_pages_noprof+0x738/0x1148 mm/page_alloc.c:5197, CPU#1: syz.2.17/3666 Modules linked in: CPU: 1 UID: 0 PID: 3666 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 : ffff800085ea3900 x29: ffff800085ea3a00 x28: 000000000000000b x27: 0000000000000000 x26: 0000000000000000 x25: f4f0000015800000 x24: 0000000000040dc0 x23: 0000000000000000 x22: 0000000000000000 x21: 000000000000000b x20: ffffffffffffffff x19: 0000000000000000 x18: 0000000000000002 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000020000640 x14: ffff8000828ee000 x13: ffffc1ffc0000000 x12: 0000000000000001 x11: 0000000000000000 x10: ffff800082b9f4e8 x9 : 0000000000000000 x8 : 0000000000000030 x7 : ffff800082ece430 x6 : 0000000000000001 x5 : 0000000000000000 x4 : f5f0000005dce480 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000001 x0 : ffff800082e30000 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:5237 __kmalloc_large_node_noprof mm/slub.c:5268 [inline] __do_kmalloc_node mm/slub.c:5284 [inline] __kmalloc_noprof+0x450/0x560 mm/slub.c:5308 kmalloc_noprof include/linux/slab.h:954 [inline] kzalloc_noprof include/linux/slab.h:1188 [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:804 drm_ioctl+0x258/0x580 drivers/gpu/drm/drm_ioctl.c:901 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+0x38/0x140 arch/arm64/kernel/entry-common.c:740 el0t_64_sync_handler+0xa0/0xf0 arch/arm64/kernel/entry-common.c:759 el0t_64_sync+0x1a4/0x1a8 arch/arm64/kernel/entry.S:594 ---[ end trace 0000000000000000 ]---