syz-executor149 uses obsolete (PF_INET,SOCK_PACKET) ===================================================== BUG: KMSAN: uninit-value in __llc_lookup_established+0xe9d/0xf90 __llc_lookup_established+0xe9d/0xf90 __llc_lookup net/llc/llc_conn.c:610 [inline] llc_conn_handler+0x4bd/0x1360 net/llc/llc_conn.c:790 llc_rcv+0xfbb/0x14a0 net/llc/llc_input.c:206 __netif_receive_skb_one_core net/core/dev.c:5452 [inline] __netif_receive_skb+0x1a6/0x5a0 net/core/dev.c:5566 netif_receive_skb_internal net/core/dev.c:5652 [inline] netif_receive_skb+0x58/0x660 net/core/dev.c:5711 tun_rx_batched+0x83b/0x920 tun_get_user+0x54ca/0x6920 drivers/net/tun.c:1997 tun_chr_write_iter+0x3af/0x5d0 drivers/net/tun.c:2043 call_write_iter include/linux/fs.h:1871 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x8ef/0x15c0 fs/read_write.c:584 ksys_write+0x20f/0x4c0 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __x64_sys_write+0x93/0xd0 fs/read_write.c:646 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd Local variable daddr created at: llc_conn_handler+0x53/0x1360 net/llc/llc_conn.c:782 llc_rcv+0xfbb/0x14a0 net/llc/llc_input.c:206 CPU: 1 PID: 4985 Comm: syz-executor149 Not tainted 6.5.0-rc3-syzkaller-00044-g0a8db05b571a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 =====================================================