------------[ cut here ]------------ WARNING: CPU: 0 PID: 29672 at mm/page_alloc.c:5491 __alloc_pages+0x150/0x1fc mm/page_alloc.c:5491 Modules linked in: CPU: 0 PID: 29672 Comm: syz-executor.4 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 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:4443 sp : ffff80001283b990 x29: ffff80001283b9d0 x28: 0000000000000000 x27: 0000000000000040 x26: 00000000000002c0 x25: 0000000000000280 x24: 0000000000020a20 x23: ffff800009e22820 x22: ffff800009e22820 x21: 000000007ffff180 x20: 0000000000000000 x19: 0000000000000013 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80000db49158 x15: ffff00010fe94f80 x14: 0000000000000128 x13: 00000000ffffffff x12: 0000000000040000 x11: 0000000000000252 x10: 000000000007ffff x9 : 0000000000000001 x8 : ffff80000d8c8000 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:4443 __kmalloc_node_track_caller+0x334/0x3bc mm/slub.c:4950 kmalloc_reserve net/core/skbuff.c:370 [inline] pskb_expand_head+0x174/0x70c net/core/skbuff.c:1729 __skb_grow include/linux/skbuff.h:3038 [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] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x2dc/0x46c fs/read_write.c:578 ksys_write+0xb4/0x160 fs/read_write.c:631 __do_sys_write fs/read_write.c:643 [inline] __se_sys_write fs/read_write.c:640 [inline] __arm64_sys_write+0x24/0x34 fs/read_write.c:640 __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: 644 hardirqs last enabled at (643): [] __local_bh_enable_ip+0x13c/0x1a4 kernel/softirq.c:401 hardirqs last disabled at (644): [] el1_dbg+0x24/0x5c arch/arm64/kernel/entry-common.c:404 softirqs last enabled at (642): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (640): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---