------------[ cut here ]------------ WARNING: CPU: 0 PID: 5314 at mm/page_alloc.c:4727 __alloc_pages_noprof+0x3c5/0x710 mm/page_alloc.c:4727 Modules linked in: CPU: 0 UID: 0 PID: 5314 Comm: syz.0.0 Not tainted 6.13.0-rc3-syzkaller #0 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_pages_noprof+0x3c5/0x710 mm/page_alloc.c:4727 Code: ff df 0f 85 09 01 00 00 44 89 e9 81 e1 7f ff ff ff a9 00 00 04 00 41 0f 44 cd 41 89 cd e9 f9 00 00 00 c6 05 57 b1 0b 0e 01 90 <0f> 0b 90 41 83 fc 0a 0f 86 13 fd ff ff 45 31 e4 48 c7 44 24 20 0e RSP: 0018:ffffc9000d0f78c0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc9000d0f7948 RBP: ffffc9000d0f79d8 R08: ffffc9000d0f7947 R09: 0000000000000000 R10: ffffc9000d0f7920 R11: fffff52001a1ef29 R12: 000000000000000f R13: 0000000000040cc0 R14: 1ffff92001a1ef20 R15: 1ffff92001a1ef1c FS: 00007f9b614166c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002000c2c0 CR3: 0000000043d22000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __alloc_pages_node_noprof include/linux/gfp.h:269 [inline] alloc_pages_node_noprof include/linux/gfp.h:296 [inline] ___kmalloc_large_node+0x8b/0x1d0 mm/slub.c:4243 __kmalloc_large_node_noprof+0x1a/0x80 mm/slub.c:4270 __do_kmalloc_node mm/slub.c:4286 [inline] __kmalloc_noprof+0x339/0x4c0 mm/slub.c:4310 kmalloc_noprof include/linux/slab.h:905 [inline] kmalloc_array_noprof include/linux/slab.h:946 [inline] drm_syncobj_array_find+0x3a/0x460 drivers/gpu/drm/drm_syncobj.c:1269 drm_syncobj_timeline_wait_ioctl+0x220/0x6b0 drivers/gpu/drm/drm_syncobj.c:1384 drm_ioctl_kernel+0x337/0x440 drivers/gpu/drm/drm_ioctl.c:796 drm_ioctl+0x60e/0xad0 drivers/gpu/drm/drm_ioctl.c:893 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9b60585d19 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:00007f9b61416038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f9b60775fa0 RCX: 00007f9b60585d19 RDX: 00000000200000c0 RSI: 00000000c03064ca RDI: 0000000000000006 RBP: 00007f9b60601a20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f9b60775fa0 R15: 00007fffa35d1058