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| author | Alexey Dobriyan <adobriyan@gmail.com> | 2019-02-01 23:20:01 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-02-02 00:46:22 +0100 |
| commit | 1fde6f21d90f8ba5da3cb9c54ca991ed72696c43 (patch) | |
| tree | 3873ead1c8fb221d7e93e0e68887d7502cafcd97 /arch/c6x/include | |
| parent | mm, memory_hotplug: don't bail out in do_migrate_range() prematurely (diff) | |
| download | linux-1fde6f21d90f8ba5da3cb9c54ca991ed72696c43.tar.xz linux-1fde6f21d90f8ba5da3cb9c54ca991ed72696c43.zip | |
proc: fix /proc/net/* after setns(2)
/proc entries under /proc/net/* can't be cached into dcache because
setns(2) can change current net namespace.
[akpm@linux-foundation.org: coding-style fixes]
[akpm@linux-foundation.org: avoid vim miscolorization]
[adobriyan@gmail.com: write test, add dummy ->d_revalidate hook: necessary if /proc/net/* is pinned at setns time]
Link: http://lkml.kernel.org/r/20190108192350.GA12034@avx2
Link: http://lkml.kernel.org/r/20190107162336.GA9239@avx2
Fixes: 1da4d377f943fe4194ffb9fb9c26cc58fad4dd24 ("proc: revalidate misc dentries")
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Reported-by: Mateusz Stępień <mateusz.stepien@netrounds.com>
Reported-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/c6x/include')
0 files changed, 0 insertions, 0 deletions