From: Cyril Hrubis <chrubis@suse.cz>
To: Subramanya <subramanya.swamy.linux@gmail.com>
Cc: ltp@lists.linux.it
Subject: Re: [LTP] [PATCH v1] read_all :catch alignment faults while reading sys entries seen in commit :bc21785b7336619fb6a67f1fff5afdaf229acc
Date: Wed, 3 Jan 2024 16:13:22 +0100 [thread overview]
Message-ID: <ZZV5kqaLvY93tN92@yuki> (raw)
In-Reply-To: <939ec35c-f372-4806-8073-88d35defcf56@gmail.com>
Hi!
> > So the intention is to read the buffer in smaller chunks? I guess that
> > it's hard to tell without having seen the kernel bugfix.
>
> My bad i provided the wrong commit id in the commit message for the
> kernel bugfix,
> https://github.com/torvalds/linux/commit/1bbc21785b7336619fb6a67f1fff5afdaf229acc
So it looks like the problem happens when we attempt to read the memory
with unaligned offset, so I suppose that single:
pread(fd, buf, 16, 1);
Should trigger the problem, or do I miss something?
--
Cyril Hrubis
chrubis@suse.cz
--
Mailing list info: https://lists.linux.it/listinfo/ltp
next prev parent reply other threads:[~2024-01-03 15:13 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-03 12:17 [LTP] [PATCH v1] read_all :catch alignment faults while reading sys entries seen in commit :bc21785b7336619fb6a67f1fff5afdaf229acc Subramanya Swamy
2024-01-03 12:49 ` Cyril Hrubis
2024-01-03 13:42 ` Subramanya
2024-01-03 15:13 ` Cyril Hrubis [this message]
2024-01-07 10:16 ` Subramanya Swamy
2024-01-15 13:34 ` [LTP] [PATCH v3] read_all :catch alignment faults while reading sys entries seen in commit :1bbc21785b7336619fb6a67f1fff5afdaf229acc Subramanya Swamy
2024-04-19 13:39 ` Cyril Hrubis
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