From: syzbot <syzbot+6c746eea496f34b3161d@syzkaller.appspotmail.com>
To: linux-kernel@vger.kernel.org
Subject: Re: [syzbot] [erofs?] KMSAN: uninit-value in z_erofs_lz4_decompress (2)
Date: Wed, 27 Dec 2023 21:56:46 -0800 [thread overview]
Message-ID: <000000000000af4643060d8b94e6@google.com> (raw)
In-Reply-To: <000000000000321c24060d7cfa1c@google.com>
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Subject: [erofs?] KMSAN: uninit-value in z_erofs_lz4_decompress (2)
Author: lizhi.xu@windriver.com
#syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git fbafc3e621c3
diff --git a/lib/hexdump.c b/lib/hexdump.c
index 06833d404398..e146b1bf73dc 100644
--- a/lib/hexdump.c
+++ b/lib/hexdump.c
@@ -264,7 +264,7 @@ void print_hex_dump(const char *level, const char *prefix_str, int prefix_type,
{
const u8 *ptr = buf;
int i, linelen, remaining = len;
- unsigned char linebuf[32 * 3 + 2 + 32 + 1];
+ unsigned char linebuf[32 * 3 + 2 + 32 + 1] = "";
if (rowsize != 16 && rowsize != 32)
rowsize = 16;
next prev parent reply other threads:[~2023-12-28 5:56 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-27 12:31 [syzbot] [erofs?] KMSAN: uninit-value in z_erofs_lz4_decompress (2) syzbot
2023-12-27 15:19 ` [PATCH] erofs: avoid debugging output for (de)compressed data Gao Xiang
2023-12-28 1:29 ` Yue Hu
2023-12-28 1:11 ` [syzbot] [erofs?] KMSAN: uninit-value in z_erofs_lz4_decompress (2) syzbot
2023-12-28 3:36 ` Gao Xiang
2023-12-28 4:23 ` syzbot
2023-12-28 5:56 ` syzbot [this message]
2023-12-28 13:54 ` [syzbot] " syzbot
2023-12-28 14:08 ` syzbot
2023-12-28 22:12 ` syzbot
2023-12-29 11:09 ` [PATCH] erofs: fix uninit-value in z_erofs_lz4_decompress Edward Adam Davis
2023-12-31 1:14 ` Gao Xiang
2023-12-31 2:32 ` Edward Adam Davis
[not found] <20231228011133.3820766-1-lizhi.xu@windriver.com>
2023-12-28 3:38 ` [syzbot] [erofs?] KMSAN: uninit-value in z_erofs_lz4_decompress (2) syzbot
[not found] <20231228055642.2202587-1-lizhi.xu@windriver.com>
2023-12-28 6:17 ` syzbot
[not found] <tencent_5E3C1D3628961837D24ACA7447769967B009@qq.com>
2023-12-28 14:32 ` syzbot
[not found] <tencent_8E794F870DC725E80D9E92105DC45DE19907@qq.com>
2023-12-28 15:09 ` syzbot
[not found] <tencent_F13E97D036504AC27443760366CC3C433609@qq.com>
2023-12-29 0:33 ` syzbot
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