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1
WARNING: mm/page_alloc.c:5197 at __alloc_frozen_pages_noprof+0x23a4/0x2b60 mm/page_alloc.c:5197, CPU#3: syz.1.568/7859
Modules linked in:
CPU: 3 UID: 0 PID: 7859 Comm: syz.1.568 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:__alloc_frozen_pages_noprof+0x23a4/0x2b60 mm/page_alloc.c:5197
Code: 00 45 31 c9 49 83 bc 24 78 05 00 00 00 4c 89 4c 24 50 0f 85 75 f8 ff ff c6 44 24 10 00 e9 28 eb ff ff c6 05 62 0e 56 0e 01 90 <0f> 0b 90 e9 af df ff ff 83 7c 24 40 03 41 bc 04 00 00 00 7f 06 41
RSP: 0018:ffffc9000169f7a0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000014 RDI: 0000000000040cc0
RBP: 0000000000000014 R08: 0000000000000005 R09: 0000000000000009
R10: 0000000000000014 R11: 0000000000000001 R12: 0000000000040cc0
R13: 1ffff920002d3f43 R14: 0000000000000014 R15: 1ffff920002d3f0d
FS:  00007f08b13e76c0(0000) GS:ffff8880d6632000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3d38da CR3: 000000006432c000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 alloc_pages_mpol+0x1fb/0x540 mm/mempolicy.c:2490
 ___kmalloc_large_node+0xe5/0x120 mm/slub.c:5275
 __kmalloc_large_node_noprof+0x1c/0x70 mm/slub.c:5306
 __do_kmalloc_node mm/slub.c:5322 [inline]
 __kmalloc_noprof+0x5b4/0x840 mm/slub.c:5347
 _kmalloc_noprof include/linux/slab.h:973 [inline]
 _kmalloc_array_noprof include/linux/slab.h:1185 [inline]
 drm_syncobj_array_find+0x34/0x3a0 drivers/gpu/drm/drm_syncobj.c:1274
 drm_syncobj_signal_ioctl+0x20b/0x460 drivers/gpu/drm/drm_syncobj.c:1563
 drm_ioctl_kernel+0x1f3/0x3e0 drivers/gpu/drm/drm_ioctl.c:805
 drm_ioctl+0x5e6/0xc60 drivers/gpu/drm/drm_ioctl.c:902
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl fs/ioctl.c:583 [inline]
 __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f08b059ce59
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:00007f08b13e7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f08b0815fa0 RCX: 00007f08b059ce59
RDX: 0000200000000100 RSI: 00000000c01064c5 RDI: 0000000000000003
RBP: 00007f08b0632d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f08b0816038 R14: 00007f08b0815fa0 R15: 00007fff4f228848
 </TASK>