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From: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
To: Eric Biggers <ebiggers@kernel.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>,
	linux-fsdevel@vger.kernel.org,
	syzbot <syzbot+0341f6a4d729d4e0acf1@syzkaller.appspotmail.com>,
	jmorris@namei.org, linux-kernel@vger.kernel.org,
	linux-security-module@vger.kernel.org, serge@hallyn.com,
	syzkaller-bugs@googlegroups.com, takedakn@nttdata.co.jp,
	"David S. Miller" <davem@davemloft.net>
Subject: Re: [PATCH v2] tomoyo: Don't check open/getattr permission on sockets.
Date: Thu, 22 Aug 2019 15:55:31 +0900	[thread overview]
Message-ID: <201908220655.x7M6tVmv029579@www262.sakura.ne.jp> (raw)
In-Reply-To: <20190822063018.GK6111@zzz.localdomain>

Eric Biggers wrote:
> What happened to this patch?

I have to learn how to manage a git tree for sending
pull requests, but I can't find time to try.

> 
> Also, isn't the same bug in other places too?:
> 
> 	- tomoyo_path_chmod()
> 	- tomoyo_path_chown()
> 	- smack_inode_getsecurity()
> 	- smack_inode_setsecurity()

What's the bug? The file descriptor returned by open(O_PATH) cannot be
passed to read(2), write(2), fchmod(2), fchown(2), fgetxattr(2), mmap(2) etc.

  reply	other threads:[~2019-08-22  6:56 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <0000000000004f43fa058a97f4d3@google.com>
2019-06-06  2:08 ` KASAN: use-after-free Read in tomoyo_realpath_from_path Tetsuo Handa
2019-06-06  5:20 ` Tetsuo Handa
2019-06-09  6:41   ` [PATCH] tomoyo: Don't check open/getattr permission on sockets Tetsuo Handa
2019-06-16  6:49     ` Tetsuo Handa
2019-06-18 20:49       ` Al Viro
2019-06-22  4:45         ` [PATCH v2] " Tetsuo Handa
2019-08-22  6:30           ` Eric Biggers
2019-08-22  6:55             ` Tetsuo Handa [this message]
2019-08-22  7:01               ` Eric Biggers
2019-08-22  7:42                 ` Tetsuo Handa
2019-08-22 15:47                   ` Eric Biggers

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