------------[ cut here ]------------ WARNING: CPU: 3 PID: 5192 at mm/page_alloc.c:4551 __alloc_pages+0x1fce/0x2460 mm/page_alloc.c:4551 Modules linked in: CPU: 3 PID: 5192 Comm: syz-executor391 Not tainted 6.9.0-rc1-syzkaller-00005-g928a87efa423 #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+0x1fce/0x2460 mm/page_alloc.c:4551 Code: ef e8 a6 85 0b 00 e9 ef f2 ff ff e8 9c 85 0b 00 e9 1b f3 ff ff 4c 89 f7 e8 8f 85 0b 00 e9 f6 f2 ff ff c6 05 46 84 ed 0d 01 90 <0f> 0b 90 e9 81 e4 ff ff 49 8d bc 24 40 09 00 00 48 b8 00 00 00 00 RSP: 0018:ffffc900032378e8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00000003fffffc7c RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000016 RDI: 0000000000040cc0 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000ffffff1f R11: 0000000000000000 R12: 0000000000040cc0 R13: 1ffff92000646f31 R14: 00000003fffffc7c R15: ffffffff8514f855 FS: 00005555800fb380(0000) GS:ffff88806b300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000040 CR3: 000000002fd46000 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+0x7f/0x1a0 mm/slub.c:3911 __do_kmalloc_node mm/slub.c:3954 [inline] __kmalloc.cold+0xc/0x61 mm/slub.c:3979 kmalloc_array include/linux/slab.h:665 [inline] drm_syncobj_array_find+0x35/0x3d0 drivers/gpu/drm/drm_syncobj.c:1272 drm_syncobj_signal_ioctl+0x214/0x470 drivers/gpu/drm/drm_syncobj.c:1552 drm_ioctl_kernel+0x1ec/0x3e0 drivers/gpu/drm/drm_ioctl.c:744 drm_ioctl+0x5dc/0xc10 drivers/gpu/drm/drm_ioctl.c:841 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:904 [inline] __se_sys_ioctl fs/ioctl.c:890 [inline] __x64_sys_ioctl+0x193/0x220 fs/ioctl.c:890 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd2/0x260 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7f161785a129 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:00007ffd0c232f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007ffd0c233168 RCX: 00007f161785a129 RDX: 0000000020000100 RSI: 00000000c01064c5 RDI: 0000000000000003 RBP: 00007f16178cd610 R08: 0023647261632f69 R09: 00007ffd0c233168 R10: 000000000000000f R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffd0c233158 R14: 0000000000000001 R15: 0000000000000001