------------[ cut here ]------------ WARNING: CPU: 1 PID: 10069 at mm/page_alloc.c:5491 __alloc_pages+0x150/0x1fc mm/page_alloc.c:5491 Modules linked in: CPU: 1 PID: 10069 Comm: syz-executor.5 Not tainted 6.0.0-rc4-syzkaller-17255-ga6b443748715 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 pstate: 20400005 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __alloc_pages+0x150/0x1fc mm/page_alloc.c:5491 lr : __alloc_pages_node include/linux/gfp.h:243 [inline] lr : alloc_pages_node include/linux/gfp.h:266 [inline] lr : kmalloc_large_node+0x88/0x154 mm/slub.c:4438 sp : ffff800021f3b7d0 x29: ffff800021f3b810 x28: 0000000000000000 x27: 0000000000000040 x26: 00000000000002c0 x25: 0000000000000280 x24: 0000000000020a20 x23: ffff800009e28800 x22: ffff800009e28800 x21: 000000007ffff180 x20: 0000000000000000 x19: 0000000000000013 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80000db78658 x15: ffff0000ff8b1a80 x14: 0000000000000168 x13: 00000000ffffffff x12: 0000000000040000 x11: 0000000000000840 x10: 000000000007ffff x9 : 0000000000000001 x8 : ffff80000d8f7000 x7 : 0000000000000000 x6 : 00000000ffffffff x5 : 00000000000a2a20 x4 : 0000000080000000 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000013 x0 : 0000000000060a20 Call trace: __alloc_pages+0x150/0x1fc mm/page_alloc.c:5491 __alloc_pages_node include/linux/gfp.h:243 [inline] alloc_pages_node include/linux/gfp.h:266 [inline] kmalloc_large_node+0x88/0x154 mm/slub.c:4438 __kmalloc_node_track_caller+0x334/0x3bc mm/slub.c:4941 kmalloc_reserve net/core/skbuff.c:366 [inline] pskb_expand_head+0x174/0x70c net/core/skbuff.c:1725 __skb_grow include/linux/skbuff.h:3017 [inline] tun_napi_alloc_frags+0xf4/0x434 drivers/net/tun.c:1472 tun_get_user+0x4b4/0x111c drivers/net/tun.c:1826 tun_chr_write_iter+0xa4/0x144 drivers/net/tun.c:2025 call_write_iter include/linux/fs.h:2187 [inline] aio_write+0x2e4/0x464 fs/aio.c:1603 __io_submit_one+0x268/0x5f4 io_submit_one+0x2d4/0x4cc fs/aio.c:2022 __do_sys_io_submit+0x17c/0x2bc fs/aio.c:2081 __se_sys_io_submit fs/aio.c:2051 [inline] __arm64_sys_io_submit+0x24/0x34 fs/aio.c:2051 __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:624 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:642 el0t_64_sync+0x18c/0x190 irq event stamp: 676 hardirqs last enabled at (675): [] __local_bh_enable_ip+0x13c/0x1a4 kernel/softirq.c:401 hardirqs last disabled at (676): [] el1_dbg+0x24/0x5c arch/arm64/kernel/entry-common.c:395 softirqs last enabled at (674): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (672): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---