XFS (loop0): Mounting V5 Filesystem XFS (loop0): Ending clean mount ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5293 at mm/page_alloc.c:5441 __alloc_pages+0x2b4/0x470 mm/page_alloc.c:5441 Modules linked in: CPU: 0 PID: 5293 Comm: syz.0.263 Not tainted 5.15.182-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 : ffff80001f7c7760 x29: ffff80001f7c7820 x28: 1ffff000035c00c0 x27: ffff80001f7c7780 x26: ffff80001ae00600 x25: dfff800000000000 x24: ffff700003ef8ef0 x23: ffff80001ae00604 x22: 0000000000000000 x21: 0000000000040d40 x20: 0000000000000000 x19: 0000000000000031 x18: 0000000000000000 x17: 0000000000000002 x16: ffff800008820b80 x15: 0000000000000005 x14: 0000000000ff0100 x13: ffffffffffffffff x12: 0000000000000005 x11: 1ffff00003ef8ef4 x10: 0000000000000000 x9 : 0000000000000000 x8 : ffff80001f7c77c8 x7 : 0000000000000000 x6 : ffff80000805b058 x5 : ffff0000d80afed8 x4 : 0000000000000000 x3 : 0000000000000020 x2 : 0000000000000008 x1 : 0000000000000000 x0 : ffff80001f7c77a0 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: 93328 hardirqs last enabled at (93327): [] kasan_quarantine_put+0xc4/0x204 mm/kasan/quarantine.c:231 hardirqs last disabled at (93328): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (92556): [] spin_unlock_bh include/linux/spinlock.h:408 [inline] softirqs last enabled at (92556): [] bdi_register_va+0x500/0x7a4 mm/backing-dev.c:904 softirqs last disabled at (92554): [] spin_lock_bh include/linux/spinlock.h:368 [inline] softirqs last disabled at (92554): [] bdi_register_va+0x2ec/0x7a4 mm/backing-dev.c:894 ---[ end trace 5c065ac27dea7526 ]---