Re: [syzbot] [ext4?] [mm?] KCSAN: data-race in strscpy / strscpy (3)

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To: Mike Christie <michael.christie@xxxxxxxxxx>
Subject: Re: [syzbot] [ext4?] [mm?] KCSAN: data-race in strscpy / strscpy (3)
From: "Theodore Ts'o" <tytso@xxxxxxx>
Date: Fri, 21 Apr 2023 14:20:13 -0400
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>, Dmitry Vyukov <dvyukov@xxxxxxxxxx>, syzbot <syzbot+c2de99a72baaa06d31f3@xxxxxxxxxxxxxxxxxxxxxxxxx>, adilger.kernel@xxxxxxxxx, linux-ext4@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, llvm@xxxxxxxxxxxxxxx, nathan@xxxxxxxxxx, ndesaulniers@xxxxxxxxxx, syzkaller-bugs@xxxxxxxxxxxxxxxx, trix@xxxxxxxxxx, Alexei Starovoitov <ast@xxxxxxxxxx>, Daniel Borkmann <daniel@xxxxxxxxxxxxx>, Andrii Nakryiko <andrii@xxxxxxxxxx>, martin.lau@xxxxxxxxx, bpf <bpf@xxxxxxxxxxxxxxx>, KP Singh <kpsingh@xxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Christian Brauner <brauner@xxxxxxxxxx>
In-reply-to: <13d484d3-d573-cd82-fff0-a35e27b8451e@oracle.com>

On Fri, Apr 21, 2023 at 12:40:45PM -0500, Mike Christie wrote:
> 
> I didn't see the beginning of this thread and I think the part of the
> sysbot report that lists the patches/trees being used got cut off so
> I'm not 100% sure what's in the kernel.

Syzbot reported this on commit 76f598ba7d8e which is upstream after v6.3-rc6.

Cheers,

						- Ted

References:
- [syzbot] [ext4?] [mm?] KCSAN: data-race in strscpy / strscpy (3)
  - From: syzbot
- Re: [syzbot] [ext4?] [mm?] KCSAN: data-race in strscpy / strscpy (3)
  - From: Dmitry Vyukov
- Re: [syzbot] [ext4?] [mm?] KCSAN: data-race in strscpy / strscpy (3)
  - From: Matthew Wilcox
- Re: [syzbot] [ext4?] [mm?] KCSAN: data-race in strscpy / strscpy (3)
  - From: Mike Christie

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