syzbot

------------[ cut here ]------------
1
WARNING: mm/page_alloc.c:5226 at __alloc_frozen_pages_noprof+0x2d1/0x380 mm/page_alloc.c:5226, CPU#0: syz.0.17/6023
Modules linked in:
CPU: 0 UID: 0 PID: 6023 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:__alloc_frozen_pages_noprof+0x2d1/0x380 mm/page_alloc.c:5226
Code: 74 10 4c 89 e7 89 54 24 0c e8 eb 15 0e 00 8b 54 24 0c 49 83 3c 24 00 0f 85 a8 fe ff ff e9 a9 fe ff ff c6 05 5c fd 37 0d 01 90 <0f> 0b 90 e9 17 ff ff ff a9 00 00 08 00 48 8b 4c 24 10 4c 8d 44 24
RSP: 0018:ffffc90003b4f7a0 EFLAGS: 00010246
RAX: ffffc90003b4f700 RBX: 000000000000000b RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90003b4f808
RBP: ffffc90003b4f898 R08: ffffc90003b4f807 R09: 0000000000000000
R10: ffffc90003b4f7e0 R11: fffff52000769f01 R12: 0000000000000000
R13: 1ffff92000769ef8 R14: 0000000000040dc0 R15: dffffc0000000000
FS:  00005555726ce500(0000) GS:ffff888126342000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000003d0000 CR3: 000000003431a000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 alloc_pages_mpol+0xd1/0x380 mm/mempolicy.c:2484
 ___kmalloc_large_node+0x4e/0x150 mm/slub.c:5160
 __kmalloc_large_node_noprof+0x18/0x90 mm/slub.c:5191
 __do_kmalloc_node mm/slub.c:5207 [inline]
 __kmalloc_noprof+0x4a3/0x7b0 mm/slub.c:5231
 kmalloc_noprof include/linux/slab.h:966 [inline]
 kzalloc_noprof include/linux/slab.h:1200 [inline]
 fill_object_idr drivers/gpu/drm/drm_lease.c:389 [inline]
 drm_mode_create_lease_ioctl+0x56a/0x1a20 drivers/gpu/drm/drm_lease.c:521
 drm_ioctl_kernel+0x2e2/0x3b0 drivers/gpu/drm/drm_ioctl.c:804
 drm_ioctl+0x6c0/0xb80 drivers/gpu/drm/drm_ioctl.c:901
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xff/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fde7830c799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff213f8308 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fde78585fa0 RCX: 00007fde7830c799
RDX: 00002000000003c0 RSI: 00000000c01864c6 RDI: 0000000000000003
RBP: 00007fde783a2bd9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fde78585fac R14: 00007fde78585fa0 R15: 00007fde78585fa0
 </TASK>