------------[ cut here ]------------ WARNING: CPU: 1 PID: 5157 at mm/page_alloc.c:5590 __alloc_pages+0xd0/0x53c mm/page_alloc.c:5590 Modules linked in: CPU: 1 PID: 5157 Comm: syz.0.201 Not tainted 6.1.144-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 pstate: 20400005 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __alloc_pages+0xd0/0x53c mm/page_alloc.c:5590 lr : __alloc_pages+0xac/0x53c mm/page_alloc.c:5584 sp : ffff8000212977c0 x29: ffff800021297890 x28: 1ffff00004252f40 x27: ffff8000212977e0 x26: ffff0000f6208040 x25: dfff800000000000 x24: ffff700004252efc x23: ffff0000f6208000 x22: 0000000000000000 x21: 0000000000040d40 x20: 0000000000000000 x19: 0000000000000030 x18: ffff800011aabce0 x17: 1fffe00033eddf7e x16: ffff8000082d2400 x15: ffff800008a20084 x14: ffff800008a1ceb8 x13: ffff800008a20084 x12: 0000000000000005 x11: 1ffff00004252f00 x10: 0000000000000000 x9 : 0000000000000001 x8 : ffff800017a78000 x7 : 0000000000000000 x6 : ffff800008059670 x5 : ffff0000d9c463d0 x4 : 0000000000000000 x3 : 0000000000000020 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __alloc_pages+0xd0/0x53c mm/page_alloc.c:5590 __alloc_pages_node include/linux/gfp.h:237 [inline] alloc_pages_node include/linux/gfp.h:260 [inline] __kmalloc_large_node+0xa8/0x1e0 mm/slab_common.c:1077 __do_kmalloc_node mm/slab_common.c:924 [inline] __kmalloc+0x140/0x178 mm/slab_common.c:949 kmalloc include/linux/slab.h:568 [inline] kzalloc include/linux/slab.h:699 [inline] __v9fs_get_acl+0x58/0x14c fs/9p/acl.c:28 v9fs_get_acl+0xb8/0x2c8 fs/9p/acl.c:63 v9fs_mount+0x6f8/0x9d4 fs/9p/vfs_super.c:184 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632 vfs_get_tree+0x90/0x274 fs/super.c:1573 do_new_mount+0x228/0x810 fs/namespace.c:3058 path_mount+0x5b4/0xe78 fs/namespace.c:3388 do_mount fs/namespace.c:3401 [inline] __do_sys_mount fs/namespace.c:3609 [inline] __se_sys_mount fs/namespace.c:3586 [inline] __arm64_sys_mount+0x49c/0x584 fs/namespace.c:3586 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 1198 hardirqs last enabled at (1197): [] kasan_quarantine_put+0xc4/0x204 mm/kasan/quarantine.c:242 hardirqs last disabled at (1198): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (998): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (998): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (887): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]---