+ lib-test_printfc-dont-bug.patch added to -mm tree

+ lib-test_printfc-dont-bug.patch added to -mm tree

[akpm]

The patch titled
     Subject: lib/test_printf.c: don't BUG
has been added to the -mm tree.  Its filename is
     lib-test_printfc-dont-bug.patch

This patch should soon appear at
    http://ozlabs.org/~akpm/mmots/broken-out/lib-test_printfc-dont-bug.patch
and later at
    http://ozlabs.org/~akpm/mmotm/broken-out/lib-test_printfc-dont-bug.patch

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/SubmitChecklist when testing your code ***

The -mm tree is included into linux-next and is updated
there every 3-4 working days

------------------------------------------------------
From: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Subject: lib/test_printf.c: don't BUG

BUG is a completely unnecessarily big hammer, and we're more likely to
get the internal bug reported if we just pr_err() and ensure the test
suite fails.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Acked-by: Kees Cook <keescook@chromium.org>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Joe Perches <joe@perches.com>
Cc: Maurizio Lombardi <mlombard@redhat.com>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 lib/test_printf.c |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff -puN lib/test_printf.c~lib-test_printfc-dont-bug lib/test_printf.c
--- a/lib/test_printf.c~lib-test_printfc-dont-bug
+++ a/lib/test_printf.c
@@ -91,7 +91,12 @@ __test(const char *expect, int elen, con
 	int rand;
 	char *p;
 
-	BUG_ON(elen >= BUF_SIZE);
+	if (elen >= BUF_SIZE) {
+		pr_err("error in test suite: expected output length %d too long. Format was '%s'.\n",
+		       elen, fmt);
+		failed_tests++;
+		return;
+	}
 
 	va_start(ap, fmt);
 
_

Patches currently in -mm which might be from linux@rasmusvillemoes.dk are

lib-vsprintfc-pull-out-padding-code-from-dentry_name.patch
lib-vsprintfc-move-string-below-widen_string.patch
lib-vsprintfc-eliminate-potential-race-in-string.patch
lib-vsprintfc-expand-field_width-to-24-bits.patch
lib-vsprintfc-help-gcc-make-number-smaller.patch
lib-vsprintfc-warn-about-too-large-precisions-and-field-widths.patch
lib-kasprintfc-add-sanity-check-to-kvasprintf.patch
lib-test_printfc-dont-bug.patch
lib-test_printfc-check-for-out-of-bound-writes.patch
lib-test_printfc-test-precision-quirks.patch
lib-test_printfc-add-a-few-number-tests.patch
lib-test_printfc-account-for-kvasprintf-tests.patch
lib-test_printfc-add-test-for-large-bitmaps.patch
lib-test_printfc-test-dentry-printing.patch
powerpc-fadump-rename-cpu_online_mask-member-of-struct-fadump_crash_info_header.patch
kernel-cpuc-change-type-of-cpu_possible_bits-and-friends.patch
kernel-cpuc-export-__cpu__mask.patch
drivers-base-cpuc-use-__cpu__mask-directly.patch
kernel-cpuc-eliminate-cpu__mask.patch
kernel-cpuc-make-set_cpu_-static-inlines.patch

+ lib-test_printfc-dont-bug.patch added to -mm tree

[akpm]

The patch titled
     Subject: lib/test_printf.c: don't BUG
has been added to the -mm tree.  Its filename is
     lib-test_printfc-dont-bug.patch

This patch should soon appear at
    http://ozlabs.org/~akpm/mmots/broken-out/lib-test_printfc-dont-bug.patch
and later at
    http://ozlabs.org/~akpm/mmotm/broken-out/lib-test_printfc-dont-bug.patch

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/SubmitChecklist when testing your code ***

The -mm tree is included into linux-next and is updated
there every 3-4 working days

------------------------------------------------------
From: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Subject: lib/test_printf.c: don't BUG

BUG is a completely unnecessarily big hammer, and we're more likely to get
the internal bug reported if we just pr_err() and ensure the test suite
fails.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 lib/test_printf.c |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff -puN lib/test_printf.c~lib-test_printfc-dont-bug lib/test_printf.c
--- a/lib/test_printf.c~lib-test_printfc-dont-bug
+++ a/lib/test_printf.c
@@ -91,7 +91,12 @@ __test(const char *expect, int elen, con
 	int rand;
 	char *p;
 
-	BUG_ON(elen >= BUF_SIZE);
+	if (elen >= BUF_SIZE) {
+		pr_err("error in test suite: expected output length %d too long. Format was '%s'.\n",
+		       elen, fmt);
+		failed_tests++;
+		return;
+	}
 
 	va_start(ap, fmt);
 
_

Patches currently in -mm which might be from linux@rasmusvillemoes.dk are

lib-vsprintfc-pull-out-padding-code-from-dentry_name.patch
lib-vsprintfc-move-string-below-widen_string.patch
lib-vsprintfc-eliminate-potential-race-in-string.patch
lib-vsprintfc-expand-field_width-to-24-bits.patch
lib-vsprintfc-help-gcc-make-number-smaller.patch
lib-vsprintfc-warn-about-too-large-precisions-and-field-widths.patch
lib-test_printfc-dont-bug.patch
lib-test_printfc-check-for-out-of-bound-writes.patch
lib-test_printfc-add-a-few-string-tests.patch
lib-test_printfc-account-for-kvasprintf-tests.patch
lib-test_printfc-add-test-for-large-bitmaps.patch
lib-test_printfc-test-dentry-printing.patch
lib-kasprintfc-add-sanity-check-to-kvasprintf.patch
powerpc-fadump-rename-cpu_online_mask-member-of-struct-fadump_crash_info_header.patch
kernel-cpuc-change-type-of-cpu_possible_bits-and-friends.patch
kernel-cpuc-export-__cpu__mask.patch
drivers-base-cpuc-use-__cpu__mask-directly.patch
kernel-cpuc-eliminate-cpu__mask.patch
kernel-cpuc-make-set_cpu_-static-inlines.patch