------------[ cut here ]------------ WARNING: CPU: 3 PID: 9168 at mm/page_alloc.c:4551 __alloc_pages+0x1fce/0x2460 mm/page_alloc.c:4551 Modules linked in: CPU: 3 PID: 9168 Comm: syz-executor.1 Not tainted 6.9.0-rc3-syzkaller-00344-g8f2c057754b2 #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 26 87 0b 00 e9 ef f2 ff ff e8 1c 87 0b 00 e9 1b f3 ff ff 4c 89 f7 e8 0f 87 0b 00 e9 f6 f2 ff ff c6 05 b1 41 ab 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:ffffc900039e78b8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 000000000c000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000010 RDI: 0000000000040cc0 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000003000000 R11: 0000000000000000 R12: 0000000000040cc0 R13: 1ffff9200073cf2b R14: 000000000c000000 R15: ffffffff851690c5 FS: 00007f7395abe6c0(0000) GS:ffff88806b500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31b21000 CR3: 000000005d2de000 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_timeline_signal_ioctl+0x223/0x860 drivers/gpu/drm/drm_syncobj.c:1590 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+0xcf/0x260 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7394c7de69 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7395abe0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f7394dabf80 RCX: 00007f7394c7de69 RDX: 0000000020000180 RSI: 00000000c01864cd RDI: 0000000000000003 RBP: 00007f7394cca47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f7394dabf80 R15: 00007ffdc36886f8