syz.0.17 uses obsolete (PF_INET,SOCK_PACKET) ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5956 at ./include/linux/skbuff.h:3071 skb_transport_header include/linux/skbuff.h:3071 [inline] WARNING: CPU: 1 PID: 5956 at ./include/linux/skbuff.h:3071 tcp_hdr include/linux/tcp.h:26 [inline] WARNING: CPU: 1 PID: 5956 at ./include/linux/skbuff.h:3071 tcp_hdrlen include/linux/tcp.h:36 [inline] WARNING: CPU: 1 PID: 5956 at ./include/linux/skbuff.h:3071 virtio_net_hdr_from_skb+0x5e6/0x8d0 include/linux/virtio_net.h:226 Modules linked in: CPU: 1 UID: 0 PID: 5956 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:skb_transport_header include/linux/skbuff.h:3071 [inline] RIP: 0010:tcp_hdr include/linux/tcp.h:26 [inline] RIP: 0010:tcp_hdrlen include/linux/tcp.h:36 [inline] RIP: 0010:virtio_net_hdr_from_skb+0x5e6/0x8d0 include/linux/virtio_net.h:226 Code: 6f 01 4c 89 e8 48 c1 e8 03 0f b6 04 28 84 c0 0f 85 d8 02 00 00 41 c6 45 00 05 66 41 bf 08 00 e9 2c fd ff ff e8 2b 33 a8 f7 90 <0f> 0b 90 e9 f4 fb ff ff e8 1d 33 a8 f7 90 0f 0b 90 e9 b7 fc ff ff RSP: 0018:ffffc90003777228 EFLAGS: 00010293 RAX: ffffffff8a16e845 RBX: ffff8881763f4fd0 RCX: ffff888106388000 RDX: 0000000000000000 RSI: 000000000000ffff RDI: 000000000000ffff RBP: 000000000000ffff R08: ffff88817517f059 R09: 0000000000000000 R10: ffff88817517f050 R11: ffffed102ea2fe0c R12: ffff88816a55a498 R13: ffff8881763f4fb6 R14: ffff8881763f4f00 R15: 1ffff1102ec7e9f6 FS: 0000555585886500(0000) GS:ffff8882a9d3b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000010000 CR3: 00000001128ba000 CR4: 00000000000006f0 Call Trace: tpacket_rcv+0x1527/0x31c0 net/packet/af_packet.c:2362 deliver_skb net/core/dev.c:2472 [inline] deliver_ptype_list_skb net/core/dev.c:2487 [inline] __netif_receive_skb_core+0x3465/0x4380 net/core/dev.c:6023 __netif_receive_skb_one_core net/core/dev.c:6077 [inline] __netif_receive_skb+0x72/0x380 net/core/dev.c:6192 netif_receive_skb_internal net/core/dev.c:6278 [inline] netif_receive_skb+0x1cb/0x790 net/core/dev.c:6337 tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485 tun_get_user+0x2b65/0x3e90 drivers/net/tun.c:1953 tun_chr_write_iter+0x113/0x200 drivers/net/tun.c:1999 new_sync_write fs/read_write.c:593 [inline] vfs_write+0x5c9/0xb30 fs/read_write.c:686 ksys_write+0x145/0x250 fs/read_write.c:738 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd130b8eec9 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffcdba8f558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fd130de5fa0 RCX: 00007fd130b8eec9 RDX: 000000000000fdef RSI: 00002000000002c0 RDI: 0000000000000003 RBP: 00007fd130c11f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd130de5fa0 R14: 00007fd130de5fa0 R15: 0000000000000003