------------[ cut here ]------------ 1 WARNING: mm/page_alloc.c:5202 at __alloc_frozen_pages_noprof+0x23da/0x2bc0 mm/page_alloc.c:5202, CPU#0: syz.1.92/6164 Modules linked in: CPU: 0 UID: 0 PID: 6164 Comm: syz.1.92 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:__alloc_frozen_pages_noprof+0x23da/0x2bc0 mm/page_alloc.c:5202 Code: 00 45 31 c9 49 83 bc 24 78 05 00 00 00 4c 89 4c 24 50 0f 85 64 f8 ff ff c6 44 24 10 00 e9 f2 ea ff ff c6 05 a5 3a 57 0e 01 90 <0f> 0b 90 e9 79 df ff ff 83 7c 24 40 03 41 bc 04 00 00 00 7f 06 41 RSP: 0018:ffffc90005c27738 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000013 RDI: 0000000000040cc0 RBP: 0000000000000013 R08: 0000000000000005 R09: 0000000000000009 R10: 0000000000000013 R11: 0000000000000000 R12: 0000000000040cc0 R13: 1ffff92000b84f36 R14: 0000000000000013 R15: 1ffff92000b84f00 FS: 00007fe80fff66c0(0000) GS:ffff8880d6379000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c3a78fa CR3: 000000005bf1c000 CR4: 0000000000352ef0 Call Trace: alloc_pages_mpol+0x1fb/0x540 mm/mempolicy.c:2490 ___kmalloc_large_node+0xe5/0x120 mm/slub.c:5236 __kmalloc_large_node_noprof+0x1c/0x70 mm/slub.c:5267 __do_kmalloc_node mm/slub.c:5283 [inline] __kmalloc_noprof+0x5be/0x850 mm/slub.c:5307 kmalloc_noprof include/linux/slab.h:954 [inline] kmalloc_array_noprof include/linux/slab.h:1097 [inline] drm_syncobj_array_find+0x34/0x3b0 drivers/gpu/drm/drm_syncobj.c:1272 drm_syncobj_query_ioctl+0x25d/0xa90 drivers/gpu/drm/drm_syncobj.c:1670 drm_ioctl_kernel+0x1f3/0x3e0 drivers/gpu/drm/drm_ioctl.c:804 drm_ioctl+0x5e6/0xc60 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] __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x10b/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe80f19cdd9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe80fff6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fe80f415fa0 RCX: 00007fe80f19cdd9 RDX: 00002000000004c0 RSI: 00000000c01864cb RDI: 0000000000000003 RBP: 00007fe80f232d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fe80f416038 R14: 00007fe80f415fa0 R15: 00007ffe20805b58