EXT4-fs (loop2): mounted filesystem without journal. Opts: stripe=0x000000000000003d,init_itable,mb_optimize_scan=0x0000000000000001,,errors=continue. Quota mode: none.
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4216 at mm/page_alloc.c:5441 __alloc_pages+0x2b4/0x470 mm/page_alloc.c:5441
Modules linked in:
CPU: 0 PID: 4216 Comm: syz.2.34 Not tainted 5.15.181-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
pstate: 20400005 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __alloc_pages+0x2b4/0x470 mm/page_alloc.c:5441
lr : __alloc_pages+0xac/0x470 mm/page_alloc.c:5434
sp : ffff80001fca7760
x29: ffff80001fca7820 x28: 1ffff000035c02c0 x27: ffff80001fca7780
x26: ffff80001ae01600 x25: dfff800000000000 x24: ffff700003f94ef0
x23: ffff80001ae01604 x22: 0000000000000000 x21: 0000000000040d40
x20: 0000000000000000 x19: 0000000000000033 x18: 0000000000000000
x17: 0000000000000002 x16: ffff800008820ba0 x15: 0000000000000005
x14: 0000000000ff0100 x13: ffffffffffffffff x12: 0000000000000005
x11: 1ffff00003f94ef4 x10: 0000000000000000 x9 : 0000000000000000
x8 : ffff80001fca77c8 x7 : 0000000000000000 x6 : ffff80000805b058
x5 : ffff0000dc7398b8 x4 : 0000000000000000 x3 : 0000000000000020
x2 : 0000000000000008 x1 : 0000000000000000 x0 : ffff80001fca77a0
Call trace:
 __alloc_pages+0x2b4/0x470 mm/page_alloc.c:5441
 alloc_pages+0x34c/0x5c0 mm/mempolicy.c:-1
 kmalloc_order+0x40/0x160 mm/slab_common.c:986
 kmalloc_order_trace+0x30/0x244 mm/slab_common.c:1002
 kmalloc_large include/linux/slab.h:533 [inline]
 __kmalloc+0x318/0x44c mm/slub.c:4396
 kmalloc include/linux/slab.h:609 [inline]
 kzalloc include/linux/slab.h:735 [inline]
 __v9fs_get_acl+0x58/0x14c fs/9p/acl.c:36
 v9fs_get_acl+0xa4/0x2f0 fs/9p/acl.c:70
 v9fs_mount+0x5d0/0x758 fs/9p/vfs_super.c:184
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:611
 vfs_get_tree+0x90/0x274 fs/super.c:1530
 do_new_mount+0x228/0x810 fs/namespace.c:3013
 path_mount+0x5b4/0x1000 fs/namespace.c:3343
 do_mount fs/namespace.c:3356 [inline]
 __do_sys_mount fs/namespace.c:3564 [inline]
 __se_sys_mount fs/namespace.c:3541 [inline]
 __arm64_sys_mount+0x514/0x5e4 fs/namespace.c:3541
 __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+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 7686
hardirqs last  enabled at (7685): [<ffff80000884d04c>] kasan_quarantine_put+0xc4/0x204 mm/kasan/quarantine.c:231
hardirqs last disabled at (7686): [<ffff80001119f244>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (6880): [<ffff800008707e68>] spin_unlock_bh include/linux/spinlock.h:408 [inline]
softirqs last  enabled at (6880): [<ffff800008707e68>] bdi_register_va+0x500/0x7a4 mm/backing-dev.c:904
softirqs last disabled at (6878): [<ffff800008707c54>] spin_lock_bh include/linux/spinlock.h:368 [inline]
softirqs last disabled at (6878): [<ffff800008707c54>] bdi_register_va+0x2ec/0x7a4 mm/backing-dev.c:894
---[ end trace a5edcba3e97ff85b ]---