[GIT PULL] 9p fixes for 6.1-rc7

[GIT PULL] 9p fixes for 6.1-rc7

[Dominique Martinet]

The following changes since commit f0c4d9fc9cc9462659728d168387191387e903cc:

  Linux 6.1-rc4 (2022-11-06 15:07:11 -0800)

are available in the Git repository at:

  https://github.com/martinetd/linux tags/9p-for-6.1-rc7

for you to fetch changes up to 391c18cf776eb4569ecda1f7794f360fe0a45a26:

  9p/xen: check logical size for buffer size (2022-11-23 14:01:27 +0900)

(yes, that's just now -- sorry, I just noticed a whitespace problem as I
prepared this mail, there's no code change with what was tested and in
-next for a few days)

----------------------------------------------------------------
9p-for-6.1-rc7

Two fixes:
 - 9p now uses a variable size for its recv buffer, but every place
hadn't been updated properly to use it and some buffer overflows
have been found and needed fixing.
There's still one place where msize is incorrectly used in a safety
check (p9_check_errors), but all paths leading to it should already
be avoiding overflows and that patch took a bit more time to get
right for zero-copy requests so I'll send it for 6.2
 - yet another race condition in p9_conn_cancel introduced by a
fix of a syzbot report in the same place, maybe at some point
we'll get it right without burning it all down...

----------------------------------------------------------------
Dominique Martinet (1):
      9p/xen: check logical size for buffer size

GUO Zihua (2):
      9p/fd: Fix write overflow in p9_read_work
      9p/fd: Use P9_HDRSZ for header size

Zhengchao Shao (1):
      9p/fd: fix issue of list_del corruption in p9_fd_cancel()

 net/9p/trans_fd.c  | 24 +++++++++++++-----------
 net/9p/trans_xen.c |  9 +++++++++
 2 files changed, 22 insertions(+), 11 deletions(-)
 9 files changed, 254 insertions(+), 28 deletions(-)
--
Dominique

Re: [GIT PULL] 9p fixes for 6.1-rc7

[Linus Torvalds]

On Tue, Nov 22, 2022 at 9:16 PM Dominique Martinet
<asmadeus@codewreck.org> wrote:
>
>  net/9p/trans_fd.c  | 24 +++++++++++++-----------
>  net/9p/trans_xen.c |  9 +++++++++
>  2 files changed, 22 insertions(+), 11 deletions(-)
>  9 files changed, 254 insertions(+), 28 deletions(-)

Strange bogus second line of statistics.

But the first line looks right, and I've pulled it. I'm assuming this
is some odd cut-and-paste error on your part where you had some stale
data from before.

               Linus

Re: [GIT PULL] 9p fixes for 6.1-rc7

[pr-tracker-bot]

The pull request you sent on Wed, 23 Nov 2022 14:15:41 +0900:

> https://github.com/martinetd/linux tags/9p-for-6.1-rc7

has been merged into torvalds/linux.git:
https://git.kernel.org/torvalds/c/fd64898dfed510a55b66080f8ab5c9b06982bbce

Thank you!

-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/prtracker.html

Re: [GIT PULL] 9p fixes for 6.1-rc7

[Christian Schoenebeck]

On Wednesday, November 23, 2022 8:08:48 PM CET Linus Torvalds wrote:
> On Tue, Nov 22, 2022 at 9:16 PM Dominique Martinet
> <asmadeus@codewreck.org> wrote:
> >
> >  net/9p/trans_fd.c  | 24 +++++++++++++-----------
> >  net/9p/trans_xen.c |  9 +++++++++
> >  2 files changed, 22 insertions(+), 11 deletions(-)
> >  9 files changed, 254 insertions(+), 28 deletions(-)
> 
> Strange bogus second line of statistics.
> 
> But the first line looks right, and I've pulled it. I'm assuming this
> is some odd cut-and-paste error on your part where you had some stale
> data from before.

First line and above is correct, and merged patches look fine as well.

Best regards,
Christian Schoenebeck