WARNING: CPU: 3 PID: 5173 at mm/page_alloc.c:4544 __alloc_pages+0x42e/0x2420 mm/page_alloc.c:4544 Modules linked in: CPU: 3 PID: 5173 Comm: syz-executor827 Not tainted 6.7.0-rc5-syzkaller-00214-gc8e97fc6b4c0 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:__alloc_pages+0x42e/0x2420 mm/page_alloc.c:4544 Code: ff 00 0f 84 fb fd ff ff 80 ce 01 e9 f3 fd ff ff 83 fe 0a 0f 86 ed fc ff ff 80 3d f3 e4 30 0d 00 75 0b c6 05 ea e4 30 0d 01 90 <0f> 0b 90 31 ed e9 84 fe ff ff e8 e3 17 9d ff 84 c0 0f 85 77 fe ff RSP: 0018:ffffc900038af948 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 1ffff92000715f3e RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000016 RDI: 0000000000040cc0 RBP: 00000003fffffc7c R08: 0000000000000005 R09: 0000000000000000 R10: 00000000ffffff1f R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000040cc0 R14: ffffffff84f34895 R15: 0000000000000016 FS: 0000555557194380(0000) GS:ffff88806b900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000000 CR3: 000000001e975000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __alloc_pages_node include/linux/gfp.h:238 [inline] alloc_pages_node include/linux/gfp.h:261 [inline] __kmalloc_large_node+0x87/0x1c0 mm/slab_common.c:1148 __do_kmalloc_node mm/slab_common.c:995 [inline] __kmalloc.cold+0xc/0x61 mm/slab_common.c:1020 kmalloc_array include/linux/slab.h:637 [inline] drm_syncobj_array_find+0x35/0x3c0 drivers/gpu/drm/drm_syncobj.c:1247 drm_syncobj_wait_ioctl+0x1fc/0x2c0 drivers/gpu/drm/drm_syncobj.c:1313 drm_ioctl_kernel+0x28c/0x4d0 drivers/gpu/drm/drm_ioctl.c:792 drm_ioctl+0x5cb/0xbf0 drivers/gpu/drm/drm_ioctl.c:895 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl fs/ioctl.c:857 [inline] __x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7fcc1c823129 Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd4138eaa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007ffd4138ec78 RCX: 00007fcc1c823129 RDX: 0000000020000080 RSI: 00000000c02064c3 RDI: 0000000000000003 RBP: 00007fcc1c896610 R08: 0023647261632f69 R09: 00007ffd4138ec78 R10: 000000000000001f R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffd4138ec68 R14: 0000000000000001 R15: 0000000000000001