Re: [PATCH perf/core v9 01/16] perf-symbol: Introduce filename__readable to check readability

From	Arnaldo Carvalho de Melo <acme@kernel.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH perf/core v9 01/16] perf-symbol: Introduce filename__readable to check readability
Date	2016-05-30 18:10 +0200
Message-ID	<rExVn-6ui-1@gated-at.bofh.it> (permalink)
References	<rDObT-25o-3@gated-at.bofh.it> <rDObU-25o-37@gated-at.bofh.it> <rExVn-6ui-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Em Mon, May 30, 2016 at 01:03:17PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Sun, May 29, 2016 at 12:15:13AM +0900, Masami Hiramatsu escreveu:
> > Introduce filename__readable to check readability by opening
> > the file directly. Since the access(R_OK) just checks the
> > readability based on real UID/GID, it is ignored that the
> > effective UID/GID and capabilities for some special file (e.g.
> > /proc/kcore).
> > filename__readable() directly opens given file with O_RDONLY
> > so that the kernel checks it by effective UID/GID and capabilities.
> 
> 
> You missed the Signed-off-by line.

This this for you this time, no need to resend.

- Arnaldo

Thread

[PATCH perf/core v9 00/16] perf-probe --cache and SDT support Masami Hiramatsu <mhiramat@kernel.org> - 2016-05-28 17:20 +0200
  [PATCH perf/core v9 08/16] perf/sdt: ELF support for SDT Masami Hiramatsu <mhiramat@kernel.org> - 2016-05-28 17:20 +0200
  [PATCH perf/core v9 15/16] perf probe: Support @BUILDID or @FILE suffix for SDT events Masami Hiramatsu <mhiramat@kernel.org> - 2016-05-28 17:20 +0200
  [PATCH perf/core v9 01/16] perf-symbol: Introduce filename__readable to check readability Masami Hiramatsu <mhiramat@kernel.org> - 2016-05-28 17:20 +0200
    Re: [PATCH perf/core v9 01/16] perf-symbol: Introduce  filename__readable to check readability Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-05-30 18:10 +0200
      Re: [PATCH perf/core v9 01/16] perf-symbol: Introduce  filename__readable to check readability Masami Hiramatsu <mhiramat@kernel.org> - 2016-05-31 08:00 +0200
    Re: [PATCH perf/core v9 01/16] perf-symbol: Introduce  filename__readable to check readability Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-05-30 18:10 +0200
  [PATCH perf/core v9 09/16] perf probe: Add group name support Masami Hiramatsu <mhiramat@kernel.org> - 2016-05-28 17:20 +0200
  [PATCH perf/core v9 04/16] perf probe: Add --cache option to cache the probe definitions Masami Hiramatsu <mhiramat@kernel.org> - 2016-05-28 17:20 +0200
  [PATCH perf/core v9 05/16] perf probe: Use cache entry if possible Masami Hiramatsu <mhiramat@kernel.org> - 2016-05-28 17:20 +0200
  [PATCH perf/core v9 14/16] perf probe: Allow wildcard for cached events Masami Hiramatsu <mhiramat@kernel.org> - 2016-05-28 17:20 +0200
  [PATCH perf/core v9 10/16] perf buildid-cache: Scan and import user SDT events to probe cache Masami Hiramatsu <mhiramat@kernel.org> - 2016-05-28 17:20 +0200
  Re: [PATCH perf/core v9 00/16] perf-probe --cache and SDT support Namhyung Kim <namhyung@kernel.org> - 2016-05-30 06:00 +0200
    Re: [PATCH perf/core v9 00/16] perf-probe --cache and SDT support Masami Hiramatsu <mhiramat@kernel.org> - 2016-05-30 16:40 +0200
    Re: [PATCH perf/core v9 00/16] perf-probe --cache and SDT support Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-05-30 18:20 +0200
  Re: [PATCH perf/core v9 00/16] perf-probe --cache and SDT support Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-05-30 18:30 +0200
    Re: [PATCH perf/core v9 00/16] perf-probe --cache and SDT support Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-05-30 18:40 +0200
      Re: [PATCH perf/core v9 00/16] perf-probe --cache and SDT support Masami Hiramatsu <mhiramat@kernel.org> - 2016-05-31 10:10 +0200

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