Re: [syzbot] [ppp?] KMSAN: uninit-value in ppp_sync_send (2)

[syzbot]

Hello,

syzbot tried to test the proposed patch but the build/boot failed:

drivers/net/ppp/ppp_synctty.c:502:23: error: initializer element is not a compile-time constant


Tested on:

commit:         7ff71e6d Merge tag 'alpha-fixes-v6.14-rc2' of git://gi..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=f20bce78db15972a
dashboard link: https://syzkaller.appspot.com/bug?extid=29fc8991b0ecb186cf40
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=124f99a4580000