------------[ cut here ]------------
WARNING: mm/page_alloc.c:5135 at __alloc_frozen_pages_noprof+0x2c8/0x370, CPU#0: syz.4.4140/19992
Modules linked in:
CPU: 0 UID: 0 PID: 19992 Comm: syz.4.4140 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__alloc_frozen_pages_noprof+0x2c8/0x370
Code: 74 10 4c 89 e7 89 54 24 0c e8 f4 b7 0d 00 8b 54 24 0c 49 83 3c 24 00 0f 85 a5 fe ff ff e9 a6 fe ff ff c6 05 48 89 97 0d 01 90 <0f> 0b 90 e9 18 ff ff ff a9 00 00 08 00 48 8b 4c 24 10 4c 8d 44 24
RSP: 0018:ffffc90007be7880 EFLAGS: 00010246
RAX: ffffc90007be7800 RBX: 000000000000001a RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90007be78e8
RBP: ffffc90007be7970 R08: ffffc90007be78e7 R09: 0000000000000000
R10: ffffc90007be78c0 R11: fffff52000f7cf1d R12: 0000000000000000
R13: 1ffff92000f7cf14 R14: 0000000000040d40 R15: dffffc0000000000
FS:  00007f207c9456c0(0000) GS:ffff8880b83dd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30319ff8 CR3: 000000003c260000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 alloc_pages_mpol+0x232/0x4a0
 ___kmalloc_large_node+0x5f/0x1b0
 __kmalloc_large_node_noprof+0x18/0x90
 __kmalloc_noprof+0x4bd/0x7f0
 v9fs_fid_get_acl+0x4f/0x100
 v9fs_get_acl+0x9a/0x360
 v9fs_inode_from_fid_dotl+0x221/0x2b0
 v9fs_mount+0x6eb/0xa50
 legacy_get_tree+0xfd/0x1a0
 vfs_get_tree+0x92/0x2b0
 do_new_mount+0x302/0x9e0
 __se_sys_mount+0x313/0x410
 do_syscall_64+0xfa/0xfa0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f207bb8ec29
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:00007f207c945038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f207bdd5fa0 RCX: 00007f207bb8ec29
RDX: 0000200000000b80 RSI: 00002000000003c0 RDI: 0000000000000000
RBP: 00007f207bc11e41 R08: 0000200000000500 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f207bdd6038 R14: 00007f207bdd5fa0 R15: 00007ffe9ffe8d58
 </TASK>
