------------[ cut here ]------------ WARNING: CPU: 0 PID: 11100 at mm/page_alloc.c:5530 __alloc_pages+0x150/0x1fc mm/page_alloc.c:5530 Modules linked in: CPU: 0 PID: 11100 Comm: syz-executor.5 Not tainted 6.1.0-rc2-syzkaller-154433-g247f34f7b803 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 pstate: 20400005 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __alloc_pages+0x150/0x1fc mm/page_alloc.c:5530 lr : __alloc_pages_node include/linux/gfp.h:223 [inline] lr : alloc_pages_node include/linux/gfp.h:246 [inline] lr : __kmalloc_large_node+0x90/0x188 mm/slab_common.c:1098 sp : ffff800013043a90 x29: ffff800013043ad0 x28: ffff0000e59d8000 x27: 0000000000000000 x26: 0000000000008000 x25: 0000000040000080 x24: 0000000000000000 x23: ffff0000e67b64e0 x22: ffff0000e30bb600 x21: ffff800008ef5dc8 x20: 0000000000000000 x19: 0000000000000014 x18: 00000000000001f7 x17: ffff80000c0cd83c x16: 0000000000000000 x15: ffff80000f144128 x14: 000000000000000f x13: 0000000000000010 x12: 0000000000040000 x11: 00000000000fffff x10: 00000000f0000006 x9 : 0000000000000001 x8 : ffff80000d95f000 x7 : 0000000100007800 x6 : ffff8000095d5a74 x5 : 0000000000000000 x4 : ffff0001fefd37f0 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000014 x0 : 0000000000040d40 Call trace: __alloc_pages+0x150/0x1fc mm/page_alloc.c:5530 __alloc_pages_node include/linux/gfp.h:223 [inline] alloc_pages_node include/linux/gfp.h:246 [inline] __kmalloc_large_node+0x90/0x188 mm/slab_common.c:1098 __do_kmalloc_node mm/slab_common.c:943 [inline] __kmalloc+0x104/0x140 mm/slab_common.c:968 kmalloc include/linux/slab.h:581 [inline] kzalloc include/linux/slab.h:712 [inline] __v9fs_get_acl+0x58/0x150 fs/9p/acl.c:28 v9fs_get_acl+0x68/0x254 fs/9p/acl.c:63 v9fs_mount+0x3e0/0x568 fs/9p/vfs_super.c:184 legacy_get_tree+0x30/0x74 fs/fs_context.c:610 vfs_get_tree+0x40/0x140 fs/super.c:1530 do_new_mount+0x1dc/0x4e4 fs/namespace.c:3040 path_mount+0x358/0x890 fs/namespace.c:3370 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __arm64_sys_mount+0x2c4/0x3c4 fs/namespace.c:3568 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:636 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 irq event stamp: 0 hardirqs last enabled at (0): [<0000000000000000>] 0x0 hardirqs last disabled at (0): [] copy_process+0x928/0x16ec kernel/fork.c:2197 softirqs last enabled at (0): [] copy_process+0x938/0x16ec kernel/fork.c:2198 softirqs last disabled at (0): [<0000000000000000>] 0x0 ---[ end trace 0000000000000000 ]---