------------[ cut here ]------------
WARNING: CPU: 1 PID: 10563 at mm/page_alloc.c:5349 current_gfp_context include/linux/sched/mm.h:187 [inline]
WARNING: CPU: 1 PID: 10563 at mm/page_alloc.c:5349 __alloc_pages+0x45d/0x500 mm/page_alloc.c:5361
Modules linked in:
CPU: 1 PID: 10563 Comm: syz-executor.2 Not tainted 5.14.0-rc5-next-20210811-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__alloc_pages+0x45d/0x500 mm/page_alloc.c:5349
Code: be c9 00 00 00 48 c7 c7 00 f2 96 89 c6 05 6e 12 a7 0b 01 e8 92 b1 3a 07 e9 6a ff ff ff 0f 0b e9 a0 fd ff ff 40 80 e5 3f eb 88 <0f> 0b e9 18 ff ff ff 4c 89 ef 44 89 e6 45 31 ed e8 6e 74 ff ff e9
RSP: 0018:ffffc9000439fb08 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 1ffff92000873f62 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000014 RDI: 0000000000040d40
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff81b824a6 R11: 0000000000000001 R12: ffffffff9024e220
R13: 0000000000000014 R14: 0000000000000000 R15: ffff88806ec02280
FS:  00007fb4a7bea700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000002f23708 CR3: 000000006f113000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 alloc_pages+0x1a7/0x300 mm/mempolicy.c:2188
 kmalloc_order+0x34/0xf0 mm/slab_common.c:955
 kmalloc_order_trace+0x14/0x120 mm/slab_common.c:971
 kmalloc include/linux/slab.h:596 [inline]
 kzalloc include/linux/slab.h:721 [inline]
 __v9fs_get_acl+0xc0/0x170 fs/9p/acl.c:36
 v9fs_get_acl+0xf7/0x2f0 fs/9p/acl.c:71
 v9fs_mount+0x604/0x9c0 fs/9p/vfs_super.c:182
 legacy_get_tree+0x105/0x220 fs/fs_context.c:610
 vfs_get_tree+0x89/0x2f0 fs/super.c:1498
 do_new_mount fs/namespace.c:2992 [inline]
 path_mount+0x132a/0x1fa0 fs/namespace.c:3322
 do_mount fs/namespace.c:3335 [inline]
 __do_sys_mount fs/namespace.c:3543 [inline]
 __se_sys_mount fs/namespace.c:3520 [inline]
 __x64_sys_mount+0x27f/0x300 fs/namespace.c:3520
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665e9
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb4a7bea188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9
RDX: 0000000020000200 RSI: 0000000020000000 RDI: 0000000000000000
RBP: 00000000004bfcc4 R08: 0000000020004440 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffef29bdc4f R14: 00007fb4a7bea300 R15: 0000000000022000