------------[ cut here ]------------ WARNING: CPU: 1 PID: 5946 at mm/page_alloc.c:4727 __alloc_pages_noprof+0xeff/0x25b0 mm/page_alloc.c:4727 Modules linked in: CPU: 1 UID: 0 PID: 5946 Comm: syz-executor415 Not tainted 6.13.0-rc2-syzkaller-00018-g7cb1b4663150 #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+0xeff/0x25b0 mm/page_alloc.c:4727 Code: 24 2c 00 00 00 00 89 cd 0f 84 8b f9 ff ff 8b 34 24 48 89 da 8b 7c 24 08 e8 0e b3 fe ff e9 69 f9 ff ff c6 05 c7 b0 57 0e 01 90 <0f> 0b 90 31 db e9 9f f3 ff ff 89 14 24 e8 7f b2 0c 00 8b 14 24 e9 RSP: 0018:ffffc9000385f8a8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000016 RDI: 0000000000040cc0 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000000 R12: 0000000000000016 R13: 0000000000040cc0 R14: 1ffff9200070bf29 R15: ffffffff853ae0e7 FS: 00007f9e528f26c0(0000) GS:ffff88806a700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200000c0 CR3: 0000000031ce6000 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+0x84/0x1b0 mm/slub.c:4228 __kmalloc_large_node_noprof+0x1c/0x70 mm/slub.c:4255 __do_kmalloc_node mm/slub.c:4271 [inline] __kmalloc_noprof.cold+0xc/0x61 mm/slub.c:4295 kmalloc_noprof include/linux/slab.h:905 [inline] kmalloc_array_noprof include/linux/slab.h:946 [inline] drm_syncobj_array_find+0x37/0x3b0 drivers/gpu/drm/drm_syncobj.c:1269 drm_syncobj_reset_ioctl+0x213/0x360 drivers/gpu/drm/drm_syncobj.c:1525 drm_ioctl_kernel+0x1e6/0x3d0 drivers/gpu/drm/drm_ioctl.c:796 drm_ioctl+0x5d6/0xc00 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 fs/ioctl.c:892 [inline] __x64_sys_ioctl+0x190/0x200 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9e5293a169 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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:00007f9e528f2228 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f9e529c1308 RCX: 00007f9e5293a169 RDX: 00000000200000c0 RSI: 00000000c01064c4 RDI: 0000000000000003 RBP: 00007f9e529c1300 R08: 00007f9e528f26c0 R09: 00007f9e528f26c0 R10: 00007f9e528f26c0 R11: 0000000000000246 R12: 00007f9e529c130c R13: 0023647261632f69 R14: 6972642f7665642f R15: 00007ffc81eda628