------------[ cut here ]------------ WARNING: CPU: 0 PID: 4221 at mm/page_alloc.c:5521 __alloc_pages+0x32c/0x730 mm/page_alloc.c:5521 Modules linked in: CPU: 0 PID: 4221 Comm: syz-executor183 Not tainted 6.1.82-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 pstate: 20400005 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __alloc_pages+0x32c/0x730 mm/page_alloc.c:5521 lr : __alloc_pages+0xc8/0x730 mm/page_alloc.c:5515 sp : ffff80001dca7760 x29: ffff80001dca7850 x28: ffff80001dca7780 x27: dfff800000000000 x26: ffff700003b94ef0 x25: 0000000000000000 x24: ffff80001dca77a0 x23: 0000000000000000 x22: 0000000000040d40 x21: 1ffff00003b94ef4 x20: ffff80001dca77c0 x19: 0000000000000014 x18: ffff80001dca7140 x17: ffff8000188cb000 x16: ffff80001209b440 x15: ffff800008ad1988 x14: ffff800008ace6f8 x13: ffff800008062674 x12: 0000000000000005 x11: 1ffff00003b94ef8 x10: 0000000000000000 x9 : 0000000000000001 x8 : ffff800018167000 x7 : 0000000000000000 x6 : ffff800008062674 x5 : ffff0000d79dfcc8 x4 : 0000000000000000 x3 : 0000000000000020 x2 : 0000000000000008 x1 : 0000000000000000 x0 : ffff80001dca77c0 Call trace: __alloc_pages+0x32c/0x730 mm/page_alloc.c:5521 __alloc_pages_node include/linux/gfp.h:237 [inline] alloc_pages_node include/linux/gfp.h:260 [inline] __kmalloc_large_node+0xbc/0x21c mm/slab_common.c:1096 __do_kmalloc_node mm/slab_common.c:943 [inline] __kmalloc+0x130/0x1c4 mm/slab_common.c:968 kmalloc include/linux/slab.h:561 [inline] kzalloc include/linux/slab.h:692 [inline] __v9fs_get_acl+0x58/0x150 fs/9p/acl.c:28 v9fs_get_acl+0xb8/0x2c8 fs/9p/acl.c:63 v9fs_mount+0x77c/0xa5c fs/9p/vfs_super.c:184 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632 vfs_get_tree+0x90/0x274 fs/super.c:1562 do_new_mount+0x278/0x8fc fs/namespace.c:3051 path_mount+0x590/0xe5c fs/namespace.c:3381 do_mount fs/namespace.c:3394 [inline] __do_sys_mount fs/namespace.c:3602 [inline] __se_sys_mount fs/namespace.c:3579 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3579 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 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: 16358 hardirqs last enabled at (16357): [] kasan_quarantine_put+0xdc/0x204 mm/kasan/quarantine.c:242 hardirqs last disabled at (16358): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (15774): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (15774): [] __do_softirq+0xc1c/0xe38 kernel/softirq.c:600 softirqs last disabled at (15765): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]---