From: syzbot <syzbot+b1a83ab2a9eb9321fbdd@syzkaller.appspotmail.com>
To: linux-kernel@vger.kernel.org
Subject: Re: [syzbot] Re: [syzbot] [kernel?] KMSAN: uninit-value in profile_hits (3)
Date: Fri, 29 Dec 2023 21:38:14 -0800 [thread overview]
Message-ID: <00000000000015905b060db38ee5@google.com> (raw)
In-Reply-To: <000000000000d6b55e060d6bc390@google.com>
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Subject: Re: [syzbot] [kernel?] KMSAN: uninit-value in profile_hits (3)
Author: eadavis@qq.com
please test uninit-value in profile_hits
#syz test https://github.com/google/kmsan.git master
diff --git a/kernel/profile.c b/kernel/profile.c
index 8a77769bc4b4..37f30292b626 100644
--- a/kernel/profile.c
+++ b/kernel/profile.c
@@ -114,7 +114,7 @@ int __ref profile_init(void)
buffer_bytes = prof_len*sizeof(atomic_t);
- if (!alloc_cpumask_var(&prof_cpu_mask, GFP_KERNEL))
+ if (!zalloc_cpumask_var(&prof_cpu_mask, GFP_KERNEL))
return -ENOMEM;
cpumask_copy(prof_cpu_mask, cpu_possible_mask);
next prev parent reply other threads:[~2023-12-30 5:38 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-26 15:59 [syzbot] [kernel?] KMSAN: uninit-value in profile_hits (3) syzbot
2023-12-29 16:37 ` Tetsuo Handa
2023-12-29 16:56 ` syzbot
2024-01-31 14:06 ` [PATCH] profiling: initialize prof_cpu_mask from profile_online_cpu() Tetsuo Handa
2024-02-15 14:41 ` Tetsuo Handa
2024-04-27 6:51 ` [PATCH (REPOST)] " Tetsuo Handa
2024-05-05 6:18 ` Tetsuo Handa
2024-05-10 11:25 ` Tetsuo Handa
2024-05-24 13:28 ` Tetsuo Handa
2023-12-30 5:38 ` syzbot [this message]
2024-07-27 10:24 ` [syzbot] [kernel?] KMSAN: uninit-value in profile_hits (3) Tetsuo Handa
2024-07-27 10:55 ` syzbot
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