From: Edward Adam Davis <eadavis@qq.com>
To: syzbot+e8bcd7ee3db6cb5cb875@syzkaller.appspotmail.com
Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [crypto?] KMSAN: kernel-infoleak in rng_recvmsg
Date: Sat, 9 Aug 2025 15:19:45 +0800 [thread overview]
Message-ID: <tencent_941BCB257DBA68BBC933969E511B584B9408@qq.com> (raw)
In-Reply-To: <6895b041.050a0220.7f033.0058.GAE@google.com>
#syz test
diff --git a/crypto/jitterentropy-kcapi.c b/crypto/jitterentropy-kcapi.c
index c24d4ff2b4a8..9e9e069f55af 100644
--- a/crypto/jitterentropy-kcapi.c
+++ b/crypto/jitterentropy-kcapi.c
@@ -107,7 +107,7 @@ int jent_hash_time(void *hash_state, __u64 time, u8 *addtl,
{
struct shash_desc *hash_state_desc = (struct shash_desc *)hash_state;
SHASH_DESC_ON_STACK(desc, hash_state_desc->tfm);
- u8 intermediary[SHA3_256_DIGEST_SIZE];
+ u8 intermediary[SHA3_256_DIGEST_SIZE] = { 0 };
__u64 j = 0;
int ret;
next prev parent reply other threads:[~2025-08-09 7:25 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-08 8:07 syzbot
2025-08-09 7:19 ` Edward Adam Davis [this message]
2025-08-09 9:52 ` syzbot
2025-08-09 9:59 ` [PATCH] crypto: Prevent " Edward Adam Davis
2025-08-16 9:17 ` Herbert Xu
2025-08-17 8:51 ` Herbert Xu
2025-08-17 10:59 ` [PATCH V2] crypto: Mark intermediary memory as clean Edward Adam Davis
2025-08-17 11:40 ` Herbert Xu
2025-08-18 12:17 ` Edward Adam Davis
2025-08-18 12:30 ` Herbert Xu
2025-08-18 12:43 ` Edward Adam Davis
2025-08-18 13:13 ` Stephan Mueller
2025-08-18 13:24 ` [PATCH V3] " Edward Adam Davis
2025-08-18 13:32 ` Stephan Mueller
2025-08-30 8:45 ` Herbert Xu
2025-08-26 13:51 ` [PATCH] crypto: Prevent kernel-infoleak in rng_recvmsg Ard Biesheuvel
2025-08-26 16:58 ` Kees Cook
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