------------[ cut here ]------------ WARNING: CPU: 1 PID: 27801 at mm/page_alloc.c:5159 __alloc_frozen_pages_noprof+0x309/0x2470 mm/page_alloc.c:5159 Modules linked in: CPU: 1 UID: 0 PID: 27801 Comm: syz.7.3091 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__alloc_frozen_pages_noprof+0x309/0x2470 mm/page_alloc.c:5159 Code: f0 5b 5d 41 5c 41 5d 41 5e 41 5f e9 11 61 4b 09 83 fe 0a 0f 86 0c fe ff ff 80 3d f6 6d 52 0e 00 75 0b c6 05 ed 6d 52 0e 01 90 <0f> 0b 90 45 31 f6 eb 81 4d 85 f6 74 22 44 89 fa 89 ee 4c 89 f7 e8 RSP: 0018:ffffc900038377a8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000015 RDI: 0000000000040cc0 RBP: 0000000000000015 R08: 0000000000000005 R09: 0000000000000009 R10: 0000000000000015 R11: 0000000000000001 R12: 0000000000040cc0 R13: 1ffff92000706f0b R14: ffffffff9ab2e4a4 R15: 0000000000000015 FS: 00007f451d8136c0(0000) GS:ffff8880d6b08000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c291241 CR3: 00000000636d7000 CR4: 0000000000352ef0 Call Trace: alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2416 ___kmalloc_large_node+0xed/0x160 mm/slub.c:5583 __kmalloc_large_node_noprof+0x1c/0x70 mm/slub.c:5614 __do_kmalloc_node mm/slub.c:5630 [inline] __kmalloc_noprof.cold+0xc/0x62 mm/slub.c:5654 kmalloc_noprof include/linux/slab.h:961 [inline] kmalloc_array_noprof include/linux/slab.h:1003 [inline] drm_syncobj_array_find+0x35/0x3c0 drivers/gpu/drm/drm_syncobj.c:1297 drm_syncobj_timeline_signal_ioctl+0x226/0x870 drivers/gpu/drm/drm_syncobj.c:1624 drm_ioctl_kernel+0x1f4/0x3e0 drivers/gpu/drm/drm_ioctl.c:797 drm_ioctl+0x5c9/0xc30 drivers/gpu/drm/drm_ioctl.c:894 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+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f451c98efc9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f451d813038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f451cbe5fa0 RCX: 00007f451c98efc9 RDX: 0000200000000100 RSI: 00000000c01864cd RDI: 0000000000000003 RBP: 00007f451ca11f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f451cbe6038 R14: 00007f451cbe5fa0 R15: 00007ffd36d86268