------------[ cut here ]------------
WARNING: CPU: 0 PID: 5115 at mm/page_alloc.c:5396 __alloc_pages+0x414/0x7a0 mm/page_alloc.c:5396
Modules linked in:
CPU: 0 PID: 5115 Comm: syz-executor.0 Not tainted 5.15.101-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
pstate: 20400005 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __alloc_pages+0x414/0x7a0 mm/page_alloc.c:5396
lr : __alloc_pages+0xc8/0x7a0 mm/page_alloc.c:5389
sp : ffff80001da376c0
x29: ffff80001da377b0 x28: ffff80001da376e0 x27: dfff800000000000
x26: ffff700003b46edc x25: 0000000000000000 x24: ffff80001da37700
x23: ffff800018506544 x22: 0000000000040d40 x21: ffff80001da37720
x20: 0000000000000000 x19: 0000000000000014 x18: 0000000000000000
x17: ff808000088a4f6c x16: 0000000000000002 x15: ffff8000088a4f6c
x14: 0000000000000005 x13: ffffffffffffffff x12: 0000000000000005
x11: 1ffff00003b46ee4 x10: 0000000000000000 x9 : 0000000000000000
x8 : ffff80001da37748 x7 : 0000000000000000 x6 : ffff80000805dbbc
x5 : ffff0000d1ead588 x4 : 0000000000000000 x3 : 0000000000000020
x2 : 0000000000000008 x1 : 0000000000000000 x0 : ffff80001da37720
Call trace:
 __alloc_pages+0x414/0x7a0 mm/page_alloc.c:5396
 alloc_pages+0x390/0x634
 kmalloc_order+0x40/0x154 mm/slab_common.c:966
 kmalloc_order_trace+0x30/0x28c mm/slab_common.c:982
 kmalloc_large include/linux/slab.h:520 [inline]
 __kmalloc+0x32c/0x404 mm/slub.c:4396
 kmalloc include/linux/slab.h:596 [inline]
 kzalloc include/linux/slab.h:721 [inline]
 __v9fs_get_acl+0x58/0x150 fs/9p/acl.c:36
 v9fs_get_acl+0xb8/0x2f0 fs/9p/acl.c:71
 v9fs_mount+0x604/0x780 fs/9p/vfs_super.c:184
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:610
 vfs_get_tree+0x90/0x274 fs/super.c:1499
 do_new_mount+0x25c/0x8c8 fs/namespace.c:2994
 path_mount+0x590/0x104c fs/namespace.c:3324
 do_mount fs/namespace.c:3337 [inline]
 __do_sys_mount fs/namespace.c:3545 [inline]
 __se_sys_mount fs/namespace.c:3522 [inline]
 __arm64_sys_mount+0x510/0x5e0 fs/namespace.c:3522
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 <unknown>:584
irq event stamp: 1398
hardirqs last  enabled at (1397): [<ffff8000088d2d9c>] kasan_quarantine_put+0xdc/0x204 mm/kasan/quarantine.c:231
hardirqs last disabled at (1398): [<ffff800011a047b0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387
softirqs last  enabled at (980): [<ffff800008775030>] spin_unlock_bh include/linux/spinlock.h:408 [inline]
softirqs last  enabled at (980): [<ffff800008775030>] bdi_register_va+0x51c/0x9bc mm/backing-dev.c:896
softirqs last disabled at (978): [<ffff800008774e18>] spin_lock_bh include/linux/spinlock.h:368 [inline]
softirqs last disabled at (978): [<ffff800008774e18>] bdi_register_va+0x304/0x9bc mm/backing-dev.c:886
---[ end trace 44a4c17030cd917b ]---