------------[ cut here ]------------
WARNING: CPU: 0 PID: 6090 at mm/page_alloc.c:4402 __alloc_pages+0x308/0x698 mm/page_alloc.c:4402
Modules linked in:
CPU: 0 PID: 6090 Comm: syz-executor807 Not tainted 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
pstate: 20400005 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __alloc_pages+0x308/0x698 mm/page_alloc.c:4402
lr : __alloc_pages+0xc8/0x698 mm/page_alloc.c:4396
sp : ffff800096b57760
x29: ffff800096b57850 x28: ffff800096b57780 x27: dfff800000000000
x26: ffff700012d6aef0 x25: 0000000000000000 x24: ffff800096b577a0
x23: 0000000000000000 x22: 0000000000040d40 x21: 1ffff00012d6aef4
x20: ffff800096b577c0 x19: 0000000000000014 x18: 1fffe0003682efce
x17: ffff80008e33d000 x16: ffff80008a668b40 x15: 0000000000000005
x14: 1ffff00012d6aef8 x13: 0000000000000000 x12: 0000000000000000
x11: ffff700012d6aefd x10: 1ffff00012d6aefc x9 : 0000000000000001
x8 : ffff8000910a2000 x7 : 0000000000000000 x6 : ffff80008005f408
x5 : ffff0000cd381ae8 x4 : 0000000000000000 x3 : 0000000000000020
x2 : 0000000000000008 x1 : 0000000000000000 x0 : ffff800096b577c0
Call trace:
 __alloc_pages+0x308/0x698 mm/page_alloc.c:4402
 __alloc_pages_node include/linux/gfp.h:237 [inline]
 alloc_pages_node include/linux/gfp.h:260 [inline]
 __kmalloc_large_node+0xbc/0x1fc mm/slab_common.c:1167
 __do_kmalloc_node mm/slab_common.c:1014 [inline]
 __kmalloc+0x124/0x1b8 mm/slab_common.c:1039
 kmalloc include/linux/slab.h:603 [inline]
 kzalloc include/linux/slab.h:720 [inline]
 v9fs_fid_get_acl+0x64/0x114 fs/9p/acl.c:32
 __v9fs_get_acl fs/9p/acl.c:66 [inline]
 v9fs_get_acl+0x128/0x394 fs/9p/acl.c:93
 v9fs_mount+0x764/0xa50 fs/9p/vfs_super.c:181
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:662
 vfs_get_tree+0x90/0x288 fs/super.c:1750
 do_new_mount+0x25c/0x8c8 fs/namespace.c:3335
 path_mount+0x590/0xe04 fs/namespace.c:3662
 do_mount fs/namespace.c:3675 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount fs/namespace.c:3861 [inline]
 __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3861
 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595
irq event stamp: 15008
hardirqs last  enabled at (15007): [<ffff8000809c61fc>] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:240
hardirqs last disabled at (15008): [<ffff80008a716d60>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436
softirqs last  enabled at (14796): [<ffff800080839718>] spin_unlock_bh include/linux/spinlock.h:396 [inline]
softirqs last  enabled at (14796): [<ffff800080839718>] bdi_register_va+0x508/0x7e8 mm/backing-dev.c:1025
softirqs last disabled at (14794): [<ffff800080839500>] spin_lock_bh include/linux/spinlock.h:356 [inline]
softirqs last disabled at (14794): [<ffff800080839500>] bdi_register_va+0x2f0/0x7e8 mm/backing-dev.c:1015
---[ end trace 0000000000000000 ]---