------------[ cut here ]------------ WARNING: CPU: 3 PID: 5285 at mm/page_alloc.c:4659 __alloc_pages_noprof+0x1fce/0x2460 mm/page_alloc.c:4659 Modules linked in: CPU: 3 PID: 5285 Comm: syz.0.8 Not tainted 6.10.0-rc6-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+0x1fce/0x2460 mm/page_alloc.c:4659 Code: ef e8 26 69 0b 00 e9 ef f2 ff ff e8 1c 69 0b 00 e9 1b f3 ff ff 4c 89 f7 e8 0f 69 0b 00 e9 f6 f2 ff ff c6 05 ce ce eb 0d 01 90 <0f> 0b 90 e9 81 e4 ff ff 49 8d bc 24 48 09 00 00 48 b8 00 00 00 00 RSP: 0018:ffffc900039bf7a8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00000000007a1200 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 000000000000000b RDI: 0000000000040dc0 RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000040dc0 R13: 1ffff92000737f09 R14: 00000000007a1200 R15: ffffffff8513277d FS: 0000000000000000(0000) GS:ffff88802c300000(0063) knlGS:00000000f5d95b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000203d0000 CR3: 0000000054bda000 CR4: 0000000000350ef0 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+0x7f/0x1a0 mm/slub.c:4068 __do_kmalloc_node mm/slub.c:4111 [inline] __kmalloc_noprof.cold+0xc/0x61 mm/slub.c:4136 kmalloc_noprof include/linux/slab.h:664 [inline] kmalloc_array_noprof include/linux/slab.h:699 [inline] fill_object_idr drivers/gpu/drm/drm_lease.c:389 [inline] drm_mode_create_lease_ioctl+0x4bd/0x1f70 drivers/gpu/drm/drm_lease.c:522 drm_ioctl_kernel+0x1ec/0x3e0 drivers/gpu/drm/drm_ioctl.c:744 drm_ioctl+0x584/0xbb0 drivers/gpu/drm/drm_ioctl.c:841 drm_compat_ioctl+0x32d/0x470 drivers/gpu/drm/drm_ioc32.c:379 __do_compat_sys_ioctl+0x2c3/0x330 fs/ioctl.c:1007 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:386 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf747d579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f5d9557c EFLAGS: 00000292 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000c01864c6 RDX: 00000000200003c0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 ret 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi