linux-kernel - Re: [syzbot] [ppp?] KMSAN: uninit-value in ppp_sync

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Message-ID: <67b08f5c.050a0220.6f0b7.0008.GAE@google.com>
Date: Sat, 15 Feb 2025 04:58:04 -0800
From: syzbot <syzbot+29fc8991b0ecb186cf40@...kaller.appspotmail.com>
To: linux-kernel@...r.kernel.org, purvayeshi550@...il.com, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [ppp?] KMSAN: uninit-value in ppp_sync_send (2)

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