Re: [PATCH] mm: mmap_lock: fix use-after-free race and css ref leak in tracepoints

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To: Shakeel Butt <shakeelb@xxxxxxxxxx>
Subject: Re: [PATCH] mm: mmap_lock: fix use-after-free race and css ref leak in tracepoints
From: Steven Rostedt <rostedt@xxxxxxxxxxx>
Date: Tue, 1 Dec 2020 20:07:15 -0500
Cc: Axel Rasmussen <axelrasmussen@xxxxxxxxxx>, Tejun Heo <tj@xxxxxxxxxx>, Greg Thelen <gthelen@xxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Chinwen Chang <chinwen.chang@xxxxxxxxxxxx>, Daniel Jordan <daniel.m.jordan@xxxxxxxxxx>, David Rientjes <rientjes@xxxxxxxxxx>, Davidlohr Bueso <dbueso@xxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Jann Horn <jannh@xxxxxxxxxx>, Laurent Dufour <ldufour@xxxxxxxxxxxxx>, Michel Lespinasse <walken@xxxxxxxxxx>, Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>, Vlastimil Babka <vbabka@xxxxxxx>, Yafang Shao <laoar.shao@xxxxxxxxx>, "David S . Miller" <davem@xxxxxxxxxxxxx>, dsahern@xxxxxxxxxx, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, Jakub Kicinski <kuba@xxxxxxxxxx>, liuhangbin@xxxxxxxxx, LKML <linux-kernel@xxxxxxxxxxxxxxx>, Linux MM <linux-mm@xxxxxxxxx>
In-reply-to: <CALvZod6qpbEX+kp_gh5O4U1-kc+DfoG4DnGoWMvVnuXUOTLBBg@mail.gmail.com>
References: <20201130233504.3725241-1-axelrasmussen@google.com> <CALvZod42+o7naLOkpo9Jngmhru-aR4K6RCuTk7TukCikAYrDbQ@mail.gmail.com> <CAJHvVcgtoyJ_C0L=KByb8UbZm6x_RtCTnznYA1HwmdzX4Y=mHw@mail.gmail.com> <xr93lfehl8al.fsf@gthelen.svl.corp.google.com> <CALvZod4j9fFpGRfkios1ef0D5qhyw3XA_VSVm0k__RuMG1Qhwg@mail.gmail.com> <CAJHvVchcm_HLd1RaibCZDZi27_2CVCwUWDX515dvnPPyTpHBHw@mail.gmail.com> <CALvZod5CpPhvzB99VZTc33Sb5YCbJNHFe3k33k+HwNfJvJbpJQ@mail.gmail.com> <CAJHvVcjBErccEwNjuDqzsrbuzSmJva7uknZKhtBwWfs9_t4zTg@mail.gmail.com> <CALvZod6qpbEX+kp_gh5O4U1-kc+DfoG4DnGoWMvVnuXUOTLBBg@mail.gmail.com>

On Tue, 1 Dec 2020 16:36:32 -0800
Shakeel Butt <shakeelb@xxxxxxxxxx> wrote:

> SGTM but note that usually Andrew squash all the patches into one
> before sending to Linus. If you plan to replace the path buffer with
> integer IDs then no need to spend time fixing buffer related bug.

I don't think Andrew squashes all the patches. I believe he sends Linus
a patch series.

Andrew?

-- Steve

Follow-Ups:
- Re: [PATCH] mm: mmap_lock: fix use-after-free race and css ref leak in tracepoints
  - From: Shakeel Butt

References:
- [PATCH] mm: mmap_lock: fix use-after-free race and css ref leak in tracepoints
  - From: Axel Rasmussen
- Re: [PATCH] mm: mmap_lock: fix use-after-free race and css ref leak in tracepoints
  - From: Shakeel Butt
- Re: [PATCH] mm: mmap_lock: fix use-after-free race and css ref leak in tracepoints
  - From: Axel Rasmussen
- Re: [PATCH] mm: mmap_lock: fix use-after-free race and css ref leak in tracepoints
  - From: Greg Thelen
- Re: [PATCH] mm: mmap_lock: fix use-after-free race and css ref leak in tracepoints
  - From: Shakeel Butt
- Re: [PATCH] mm: mmap_lock: fix use-after-free race and css ref leak in tracepoints
  - From: Axel Rasmussen
- Re: [PATCH] mm: mmap_lock: fix use-after-free race and css ref leak in tracepoints
  - From: Shakeel Butt
- Re: [PATCH] mm: mmap_lock: fix use-after-free race and css ref leak in tracepoints
  - From: Axel Rasmussen
- Re: [PATCH] mm: mmap_lock: fix use-after-free race and css ref leak in tracepoints
  - From: Shakeel Butt

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