From: Christoph Hellwig <hch@lst.de>
To: Nick Hu <nickhu@andestech.com>, Greentime Hu <green.hu@gmail.com>,
Vincent Chen <deanbo422@gmail.com>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-riscv@lists.infradead.org, linux-arch@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH 1/6] syscalls: use uaccess_kernel in addr_limit_user_check
Date: Fri, 10 Jul 2020 15:57:01 +0200 [thread overview]
Message-ID: <20200710135706.537715-2-hch@lst.de> (raw)
In-Reply-To: <20200710135706.537715-1-hch@lst.de>
Use the uaccess_kernel helper instead of duplicating it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
include/linux/syscalls.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index b951a87da9877c..e933a43d4a69ac 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -263,7 +263,7 @@ static inline void addr_limit_user_check(void)
return;
#endif
- if (CHECK_DATA_CORRUPTION(!segment_eq(get_fs(), USER_DS),
+ if (CHECK_DATA_CORRUPTION(uaccess_kernel(),
"Invalid address limit on user-mode return"))
force_sig(SIGKILL);
--
2.26.2
next prev parent reply other threads:[~2020-07-10 13:57 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-10 13:57 clean up address limit helpers Christoph Hellwig
2020-07-10 13:57 ` Christoph Hellwig [this message]
2020-07-10 13:57 ` [PATCH 2/6] nds32: use uaccess_kernel in show_regs Christoph Hellwig
2020-07-13 10:02 ` Greentime Hu
2020-07-10 13:57 ` [PATCH 3/6] riscv: include <asm/pgtable.h> in <asm/uaccess.h> Christoph Hellwig
2020-07-21 23:02 ` Palmer Dabbelt
2020-07-10 13:57 ` [PATCH 4/6] uaccess: remove segment_eq Christoph Hellwig
2020-07-13 9:16 ` Geert Uytterhoeven
2020-07-13 10:05 ` Greentime Hu
2020-07-10 13:57 ` [PATCH 5/6] uaccess: add force_uaccess_{begin,end} helpers Christoph Hellwig
2020-07-13 9:12 ` Geert Uytterhoeven
2020-07-13 10:06 ` Greentime Hu
2020-07-13 12:21 ` Mark Rutland
2020-07-13 13:19 ` Geert Uytterhoeven
2020-07-14 7:12 ` Christoph Hellwig
2020-07-13 12:26 ` Mark Rutland
2020-07-10 13:57 ` [PATCH 6/6] exec: use force_uaccess_begin during exec and exit Christoph Hellwig
2020-07-10 15:25 ` clean up address limit helpers Linus Torvalds
2020-07-14 7:09 ` Christoph Hellwig
2020-07-14 15:33 ` Linus Torvalds
2020-07-14 10:54 clean up address limit helpers v2 Christoph Hellwig
2020-07-14 10:55 ` [PATCH 1/6] syscalls: use uaccess_kernel in addr_limit_user_check Christoph Hellwig
2020-07-18 1:38 ` Guenter Roeck
2020-07-18 9:48 ` Christoph Hellwig
2020-07-18 14:54 ` Guenter Roeck
2020-07-20 10:01 ` Christoph Hellwig
2020-07-20 14:55 ` Guenter Roeck
2020-07-20 15:28 ` Peter Maydell
2020-07-20 22:10 ` Guenter Roeck
2020-07-21 4:58 ` Christoph Hellwig
2020-07-21 5:15 ` Guenter Roeck
2020-07-21 5:20 ` Christoph Hellwig
2020-07-21 5:30 ` Guenter Roeck
2020-07-21 5:35 ` Christoph Hellwig
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200710135706.537715-2-hch@lst.de \
--to=hch@lst.de \
--cc=akpm@linux-foundation.org \
--cc=deanbo422@gmail.com \
--cc=green.hu@gmail.com \
--cc=linux-arch@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-riscv@lists.infradead.org \
--cc=nickhu@andestech.com \
--cc=palmer@dabbelt.com \
--cc=paul.walmsley@sifive.com \
--cc=torvalds@linux-foundation.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).