The patch titled
Subject: fs/proc/namespaces.c: prevent crash when ns_entries[] is empty
has been removed from the -mm tree. Its filename was
fs-proc-namespacesc-prevent-crash-when-ns_entries-is-empty.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: fs/proc/namespaces.c: prevent crash when ns_entries[] is empty
If CONFIG_NET_NS, CONFIG_UTS_NS and CONFIG_IPC_NS are disabled,
ns_entries[] becomes empty and things like
ns_entries[ARRAY_SIZE(ns_entries) - 1] will explode.
Reported-by: Richard Weinberger <richard@xxxxxx>
Cc: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
Cc: Daniel Lezcano <daniel.lezcano@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/proc/namespaces.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff -puN fs/proc/namespaces.c~fs-proc-namespacesc-prevent-crash-when-ns_entries-is-empty fs/proc/namespaces.c
--- a/fs/proc/namespaces.c~fs-proc-namespacesc-prevent-crash-when-ns_entries-is-empty
+++ a/fs/proc/namespaces.c
@@ -156,15 +156,15 @@ static struct dentry *proc_ns_dir_lookup
if (!ptrace_may_access(task, PTRACE_MODE_READ))
goto out;
- last = &ns_entries[ARRAY_SIZE(ns_entries) - 1];
- for (entry = ns_entries; entry <= last; entry++) {
+ last = &ns_entries[ARRAY_SIZE(ns_entries)];
+ for (entry = ns_entries; entry < last; entry++) {
if (strlen((*entry)->name) != len)
continue;
if (!memcmp(dentry->d_name.name, (*entry)->name, len))
break;
}
error = ERR_PTR(-ENOENT);
- if (entry > last)
+ if (entry == last)
goto out;
error = proc_ns_instantiate(dir, dentry, task, *entry);
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
origin.patch
linux-next.patch
linux-next-git-rejects.patch
i-need-old-gcc.patch
arch-alpha-kernel-systblss-remove-debug-check.patch
drivers-block-nvmec-stop-breaking-my-i386-build.patch
drivers-staging-zsmalloc-zsmalloc-mainc-unbork.patch
fs-xattrc-listxattr-fall-back-to-vmalloc-if-kmalloc-failed.patch
fs-xattrc-setxattr-improve-handling-of-allocation-failures.patch
simple_open-automatically-convert-to-simple_open-checkpatch-fixes.patch
arch-x86-platform-iris-irisc-register-a-platform-device-and-a-platform-driver.patch
drivers-xen-kconfig-fix-kconfig-layout.patch
cpuidle-add-a-sysfs-entry-to-disable-specific-c-state-for-debug-purpose.patch
x86-use-this_cpu_xxx-to-replace-percpu_xxx-funcs.patch
percpu-remove-percpu_xxx-functions-fix.patch
net-netfilter-nfnetlink_acctc-use-linux-atomich.patch
fs-symlink-restrictions-on-sticky-directories.patch
fs-hardlink-creation-restrictions.patch
brlocks-lglocks-cleanups.patch
mm.patch
mm-add-extra-free-kbytes-tunable-update-checkpatch-fixes.patch
mm-push-lru-index-into-shrink_active_list-fix.patch
arch-powerpc-platforms-pseries-eeh_eventc-slightly-fix-set_current_state-wart.patch
vsprintf-further-optimize-decimal-conversion-checkpatch-fixes.patch
kmod-avoid-deadlock-by-recursive-kmod-call.patch
syscalls-x86-add-__nr_kcmp-syscall-v8.patch
syscalls-x86-add-__nr_kcmp-syscall-v8-fix.patch
syscalls-x86-add-__nr_kcmp-syscall-v8-fix-2.patch
c-r-prctl-add-ability-to-get-clear_tid_address-fix.patch
notify_change-check-that-i_mutex-is-held.patch
journal_add_journal_head-debug.patch
mutex-subsystem-synchro-test-module-fix.patch
slab-leaks3-default-y.patch
put_bh-debug.patch
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