The patch titled
Subject: proc-use-down_read_killable-mmap_sem-for-proc-pid-map_files-fix
has been added to the -mm tree. Its filename is
proc-use-down_read_killable-mmap_sem-for-proc-pid-map_files-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/proc-use-down_read_killable-mmap_sem-for-proc-pid-map_files-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/proc-use-down_read_killable-mmap_sem-for-proc-pid-map_files-fix.patch
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------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: proc-use-down_read_killable-mmap_sem-for-proc-pid-map_files-fix
fix proc_map_files_lookup() return value, per Andrei
Cc: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Cyrill Gorcunov <gorcunov@xxxxxxxxx>
Cc: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx>
Cc: Konstantin Khlebnikov <khlebnikov@xxxxxxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: Michal Koutný <mkoutny@xxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Roman Gushchin <guro@xxxxxx>
Cc: Andrei Vagin <avagin@xxxxxxxxx>
Cc: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/proc/base.c | 1 +
1 file changed, 1 insertion(+)
--- a/fs/proc/base.c~proc-use-down_read_killable-mmap_sem-for-proc-pid-map_files-fix
+++ a/fs/proc/base.c
@@ -2117,6 +2117,7 @@ static struct dentry *proc_map_files_loo
if (down_read_killable(&mm->mmap_sem))
goto out_put_mm;
+ result = ERR_PTR(-ENOENT);
vma = find_exact_vma(mm, vm_start, vm_end);
if (!vma)
goto out_no_vma;
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
mm-mmu_gather-remove-__tlb_reset_range-for-force-flush-checkpatch-fixes.patch
scripts-spellingtxt-drop-sepc-from-the-misspelling-list-fix.patch
ocfs2-clear-zero-in-unaligned-direct-io-checkpatch-fixes.patch
mm.patch
include-linux-pfn_th-remove-pfn_t_to_virt.patch
mm-swap-use-rbtree-for-swap_extent-fix.patch
proc-use-down_read_killable-mmap_sem-for-proc-pid-map_files-fix.patch
vmcore-add-a-kernel-parameter-novmcoredd-fix.patch
vmcore-add-a-kernel-parameter-novmcoredd-fix-fix.patch
byteorder-sanity-check-toolchain-vs-kernel-endianess-checkpatch-fixes.patch
selftests-ptrace-add-a-test-case-for-ptrace_get_syscall_info-checkpatch-fixes.patch
linux-next-rejects.patch
proc-sysctl-add-shared-variables-for-range-check-fix.patch
proc-sysctl-add-shared-variables-for-range-check-fix-2-fix.patch
kernel-forkc-export-kernel_thread-to-modules.patch
