------------[ cut here ]------------ WARNING: CPU: 0 PID: 13177 at mm/page_alloc.c:5522 __alloc_pages+0x40e/0x5a0 mm/page_alloc.c:5522 Modules linked in: CPU: 0 PID: 13177 Comm: syz-executor.4 Not tainted 6.0.0-rc6-next-20220923-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 RIP: 0010:__alloc_pages+0x40e/0x5a0 mm/page_alloc.c:5522 Code: ff ff 00 0f 84 c3 fd ff ff 80 ce 01 e9 bb fd ff ff 83 fe 0a 0f 86 ce fc ff ff 80 3d 96 9c 0c 0c 00 75 09 c6 05 8d 9c 0c 0c 01 <0f> 0b 45 31 f6 e9 52 fe ff ff 65 ff 05 01 bc 43 7e 48 c7 c0 40 de RSP: 0018:ffffc9000502f960 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 1ffff92000a05f2d RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000013 RDI: 0000000000000000 RBP: 0000000000060820 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000013 R13: 0000000000000000 R14: 0000000000000013 R15: 0000000000000000 FS: 00007f4ae647a700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f522000 CR3: 000000007e431000 CR4: 00000000003506f0 Call Trace: __alloc_pages_node include/linux/gfp.h:223 [inline] alloc_pages_node include/linux/gfp.h:246 [inline] __kmalloc_large_node+0x6a/0x130 mm/slab_common.c:1066 __do_kmalloc_node mm/slab_common.c:922 [inline] __kmalloc_node_track_caller+0x86/0xc0 mm/slab_common.c:954 kmalloc_reserve net/core/skbuff.c:370 [inline] pskb_expand_head+0xfeb/0x1110 net/core/skbuff.c:1730 __skb_grow include/linux/skbuff.h:3039 [inline] tun_napi_alloc_frags drivers/net/tun.c:1472 [inline] tun_get_user+0x18b7/0x3a00 drivers/net/tun.c:1826 tun_chr_write_iter+0xdb/0x200 drivers/net/tun.c:2025 call_write_iter include/linux/fs.h:2190 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x9e9/0xdd0 fs/read_write.c:578 ksys_write+0x127/0x250 fs/read_write.c:631 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f4ae528b5a9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f4ae647a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f4ae53abf80 RCX: 00007f4ae528b5a9 RDX: 00000000fffffdef RSI: 0000000020000a00 RDI: 0000000000000003 RBP: 00007f4ae647a1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffe9f0cadcf R14: 00007f4ae647a300 R15: 0000000000022000