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Re: [PATCH] kernel/sysctl.c: If "count" including the terminating byte '\0' the write system call should retrun success.

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On Fri, 11 Sep 2015 17:05:31 +0800
Sean Fu <fxinrong@gmail.com> wrote:


> > Sounds like a reasonable compromise. Sean, can you make a patch that
> > only affects the one proc file (comment it well in the code), and have
> > it accept nothing past the '\0'. Even if someone passed in "1 \0 2", it
> > would only see "1 "

> The current code uses uniform handler (e.g. "proc_dointvec") for all
> same type proc file.
> So all integer type proc file are affected.
> In fact, The behavior of all integer type proc file should be changed.


Then at least make it where the \0 is the terminating string. Nothing
after it will be seen by the rest of the code in the kernel.

-- Steve
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Re: [PATCH] kernel/sysctl.c: If "count" including the terminating  byte '\0' the write system call should retrun success. Sean Fu <fxinrong@gmail.com> - 2015-09-08 05:20 +0200
  Re: [PATCH] kernel/sysctl.c: If "count" including the terminating  byte '\0' the write system call should retrun success. Steven Rostedt <rostedt@goodmis.org> - 2015-09-08 17:20 +0200
    Re: [PATCH] kernel/sysctl.c: If "count" including the terminating byte '\0' the write system call should retrun success. ebiederm@xmission.com (Eric W. Biederman) - 2015-09-08 18:30 +0200
      Re: [PATCH] kernel/sysctl.c: If "count" including the terminating  byte '\0' the write system call should retrun success. Steven Rostedt <rostedt@goodmis.org> - 2015-09-08 18:40 +0200
        Re: [PATCH] kernel/sysctl.c: If "count" including the terminating  byte '\0' the write system call should retrun success. Sean Fu <fxinrong@gmail.com> - 2015-09-11 11:10 +0200
          Re: [PATCH] kernel/sysctl.c: If "count" including the terminating  byte '\0' the write system call should retrun success. Steven Rostedt <rostedt@goodmis.org> - 2015-09-11 15:50 +0200
          Re: [PATCH] kernel/sysctl.c: If "count" including the terminating byte '\0' the write system call should retrun success. ebiederm@xmission.com (Eric W. Biederman) - 2015-09-11 19:10 +0200
            Re: [PATCH] kernel/sysctl.c: If "count" including the terminating  byte '\0' the write system call should retrun success. Sean Fu <fxinrong@gmail.com> - 2015-09-13 14:40 +0200
              Re: [PATCH] kernel/sysctl.c: If "count" including the terminating byte '\0' the write system call should retrun success. ebiederm@xmission.com (Eric W. Biederman) - 2015-09-13 19:00 +0200
                Re: [PATCH] kernel/sysctl.c: If "count" including the terminating  byte '\0' the write system call should retrun success. Sean Fu <fxinrong@gmail.com> - 2015-09-15 11:40 +0200
                Re: [PATCH] kernel/sysctl.c: If "count" including the terminating byte '\0' the write system call should retrun success. "Eric W. Biederman" <ebiederm@xmission.com> - 2015-09-15 16:20 +0200
              Re: [PATCH] kernel/sysctl.c: If "count" including the terminating  byte '\0' the write system call should retrun success. Steven Rostedt <rostedt@goodmis.org> - 2015-09-13 22:10 +0200
                Re: [PATCH] kernel/sysctl.c: If "count" including the terminating  byte '\0' the write system call should retrun success. Sean Fu <fxinrong@gmail.com> - 2015-09-15 11:40 +0200
                Re: [PATCH] kernel/sysctl.c: If "count" including the terminating  byte '\0' the write system call should retrun success. Steven Rostedt <rostedt@goodmis.org> - 2015-09-15 16:00 +0200

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