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BUG: KMSAN: uninit-value in __llc_lookup_established+0xe9d/0xf90
 __llc_lookup_established+0xe9d/0xf90
 __llc_lookup net/llc/llc_conn.c:611 [inline]
 llc_conn_handler+0x4bd/0x1360 net/llc/llc_conn.c:791
 llc_rcv+0xfec/0x1550 net/llc/llc_input.c:212
 __netif_receive_skb_one_core net/core/dev.c:5532 [inline]
 __netif_receive_skb+0x1a6/0x5a0 net/core/dev.c:5646
 netif_receive_skb_internal net/core/dev.c:5732 [inline]
 netif_receive_skb+0x58/0x660 net/core/dev.c:5791
 tun_rx_batched+0x3ee/0x980 drivers/net/tun.c:1555
 tun_get_user+0x53af/0x66d0 drivers/net/tun.c:2002
 tun_chr_write_iter+0x3af/0x5d0 drivers/net/tun.c:2048
 call_write_iter include/linux/fs.h:2084 [inline]
 new_sync_write fs/read_write.c:497 [inline]
 vfs_write+0x786/0x1200 fs/read_write.c:590
 ksys_write+0x20f/0x4c0 fs/read_write.c:643
 __do_sys_write fs/read_write.c:655 [inline]
 __se_sys_write fs/read_write.c:652 [inline]
 __ia32_sys_write+0x91/0xd0 fs/read_write.c:652
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0xb3/0x110 arch/x86/entry/common.c:321
 do_fast_syscall_32+0x37/0x70 arch/x86/entry/common.c:346
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:384
 entry_SYSENTER_compat_after_hwframe+0x70/0x7a

Local variable daddr created at:
 llc_conn_handler+0x53/0x1360 net/llc/llc_conn.c:783
 llc_rcv+0xfec/0x1550 net/llc/llc_input.c:212

CPU: 0 PID: 6006 Comm: syz-executor.3 Not tainted 6.7.0-syzkaller-00562-g9f8413c4a66f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
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