Re: [net] tipc: fix kernel WARNING in tipc_msg_append()

From: Tuong Lien Date: Thu, 11 Jun 2020 17:07:35 +0700 > syzbot found the following issue: > > WARNING: CPU: 0 PID: 6808 at include/linux/thread_info.h:150 check_copy_size > include/linux/thread_info.h:150 [inline] > WARNING: CPU: 0 PID: 6808 at include/linux/thread_info.h:150 copy_from_iter >

[net] tipc: fix kernel WARNING in tipc_msg_append()

syzbot found the following issue: WARNING: CPU: 0 PID: 6808 at include/linux/thread_info.h:150 check_copy_size include/linux/thread_info.h:150 [inline] WARNING: CPU: 0 PID: 6808 at include/linux/thread_info.h:150 copy_from_iter include/linux/uio.h:144 [inline] WARNING: CPU: 0 PID: 6808 at includ

WARNING in tipc_msg_append

Hello, syzbot found the following crash on: HEAD commit:5e9eeccc tipc: fix NULL pointer dereference in streaming git tree: net console output: https://syzkaller.appspot.com/x/log.txt?x=15ee307a10 kernel config: https://syzkaller.appspot.com/x/.config?x=a16ddbc78955e3a9 dashboard li