The patch titled
Subject: procfs-always-expose-proc-pid-map_files-and-make-it-readable-fix
has been added to the -mm tree. Its filename is
procfs-always-expose-proc-pid-map_files-and-make-it-readable-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/procfs-always-expose-proc-pid-map_files-and-make-it-readable-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/procfs-always-expose-proc-pid-map_files-and-make-it-readable-fix.patch
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------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: procfs-always-expose-proc-pid-map_files-and-make-it-readable-fix
catch up with concurrent proc_pid_follow_link() changes
Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
Cc: Calvin Owens <calvinowens@xxxxxx>
Cc: Cyrill Gorcunov <gorcunov@xxxxxxxxxx>
Cc: Joe Perches <joe@xxxxxxxxxxx>
Cc: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: Kirill A. Shutemov <kirill@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/proc/base.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff -puN fs/proc/base.c~procfs-always-expose-proc-pid-map_files-and-make-it-readable-fix fs/proc/base.c
--- a/fs/proc/base.c~procfs-always-expose-proc-pid-map_files-and-make-it-readable-fix
+++ a/fs/proc/base.c
@@ -1955,12 +1955,13 @@ struct map_files_info {
* symlinks may be used to bypass permissions on ancestor directories in the
* path to the file in question.
*/
-static void *proc_map_files_follow_link(struct dentry *dentry, struct nameidata *nd)
+static void *
+proc_map_files_follow_link(struct dentry *dentry, struct nameidata *nd)
{
if (!capable(CAP_SYS_ADMIN))
return ERR_PTR(-EPERM);
- return proc_pid_follow_link(dentry, nd);
+ return proc_pid_follow_link(dentry, NULL);
}
/*
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
arch-alpha-kernel-systblss-remove-debug-check.patch
openrisc-fix-config_uid16-setting.patch
kernel-kthreadc-kthread_create_on_node-clarify-documentation.patch
scripts-spellingtxt-adding-misspelled-word-for-check-fix.patch
mm.patch
userfaultfd-change-the-read-api-to-return-a-uffd_msg-fix-2.patch
userfaultfd-change-the-read-api-to-return-a-uffd_msg-fix-2-fix.patch
userfaultfd-avoid-mmap_sem-read-recursion-in-mcopy_atomic-fix.patch
genalloc-add-name-arg-to-gen_pool_get-and-devm_gen_pool_create-fix.patch
dax-revert-userfaultfd-change.patch
thp-prepare-for-dax-huge-pages-fix.patch
mm-page-refine-the-calculation-of-highest-possible-node-id.patch
pagemap-add-mmap-exclusive-bit-for-marking-pages-mapped-only-here-fix.patch
mm-show-proportional-swap-share-of-the-mapping-fix.patch
mm-improve-__gfp_noretry-comment-based-on-implementation-fix.patch
memcg-export-struct-mem_cgroup-fix.patch
include-linux-page-flagsh-rename-macros-to-avoid-collisions.patch
mm-vmscan-fix-the-page-state-calculation-in-too_many_isolated.patch
x86-add-pmd_-for-thp-fix.patch
sparc-add-pmd_-for-thp-fix.patch
mm-support-madvisemadv_free-fix-2.patch
mm-dont-split-thp-page-when-syscall-is-called-fix-3.patch
mm-move-lazy-free-pages-to-inactive-list-fix-fix.patch
mm-move-lazy-free-pages-to-inactive-list-fix-fix-fix.patch
procfs-always-expose-proc-pid-map_files-and-make-it-readable-fix.patch
define-kallsyms_cmp_symbol_t-as-function-type-to-simplify-the-code-fix.patch
linux-next.patch
linux-next-rejects.patch
drivers-gpu-drm-i915-intel_spritec-fix-build.patch
drivers-gpu-drm-i915-intel_tvc-fix-build.patch
net-netfilter-ipset-work-around-gcc-444-initializer-bug.patch
fs-seq_file-convert-int-seq_vprint-seq_printf-etc-returns-to-void-fix.patch
do_shared_fault-check-that-mmap_sem-is-held.patch
journal_add_journal_head-debug.patch
journal_add_journal_head-debug-fix.patch
kernel-forkc-export-kernel_thread-to-modules.patch
mutex-subsystem-synchro-test-module.patch
slab-leaks3-default-y.patch
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