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

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Message-ID: <0000000000007819d1061c2f8d46@google.com>
Date: Mon, 01 Jul 2024 06:27:02 -0700
From: syzbot <syzbot+80cf9d55d6fd2d6a9838@...kaller.appspotmail.com>
To: linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com, 
	wojciech.gladysz@...ogain.com
Subject: Re: [syzbot] [bpf?] [net?] KMSAN: uninit-value in dev_map_hash_lookup_elem

Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
SYZFAIL: NL802154_CMD_SET_SHORT_ADDR failed

2024/07/01 13:26:53 ignoring optional flag "sandboxArg"="0"
2024/07/01 13:26:54 parsed 1 programs
2024/07/01 13:26:55 [FATAL] failed to run ["./syz-executor" "setup" "fault" "binfmt_misc" "usb" "802154" "swap"]: exit status 67
mkdir(/syzcgroup) failed: 17
mount(binfmt_misc) failed: 16
SYZFAIL: NL802154_CMD_SET_SHORT_ADDR failed
 (errno 16: Device or resource busy)

Tested on:

commit:         e478cf26 Merge branch 'bpf-fix-a-couple-of-test-failur..
git tree:       https://linux.googlesource.com/linux/kernel/git/torvalds/linux
console output: https://syzkaller.appspot.com/x/log.txt?x=1780d2b9980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=2ad6a8768920dd4b
dashboard link: https://syzkaller.appspot.com/bug?extid=80cf9d55d6fd2d6a9838
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=12b40476980000