linux-kernel - Re: [syzbot] [bpf?] [net?] KMSAN: uninit-value in dev_map_lookup

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <000000000000b7bdd80614bc433f@google.com>
Date: Thu, 28 Mar 2024 10:58:02 -0700
From: syzbot <syzbot+1a3cf6f08d68868f9db3@...kaller.appspotmail.com>
To: linux-kernel@...r.kernel.org, martin.lau@...ux.dev, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [bpf?] [net?] KMSAN: uninit-value in dev_map_lookup_elem

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+1a3cf6f08d68868f9db3@...kaller.appspotmail.com

Tested on:

commit:         d8889e86 bpf: Mark bpf prog stack with kmsan_unposion_..
git tree:       git://git.kernel.org/pub/scm/linux/kernel/git/martin.lau/bpf-next.git interpreter.kmsan
console output: https://syzkaller.appspot.com/x/log.txt?x=10385eb1180000
kernel config:  https://syzkaller.appspot.com/x/.config?x=e6bd769cb793b98a
dashboard link: https://syzkaller.appspot.com/bug?extid=1a3cf6f08d68868f9db3
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40

Note: no patches were applied.
Note: testing is done by a robot and is best-effort only.