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authorMatthew Wilcox <willy@infradead.org>2018-12-28 07:22:26 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2018-12-28 12:42:30 -0800
commit1a80dade010c7a7f4885a4c4c2a7ac22cc7b34df (patch)
tree95cc3a11b8292c2abeb81fecec48739e2390d087 /arch/sh/include
parentMerge tag 'locks-v4.21-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux (diff)
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Fix failure path in alloc_pid()
The failure path removes the allocated PIDs from the wrong namespace. This could lead to us inadvertently reusing PIDs in the leaf namespace and leaking PIDs in parent namespaces. Fixes: 95846ecf9dac ("pid: replace pid bitmap implementation with IDR API") Cc: <stable@vger.kernel.org> Signed-off-by: Matthew Wilcox <willy@infradead.org> Acked-by: "Eric W. Biederman" <ebiederm@xmission.com> Reviewed-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/sh/include')
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