* + lib-add-more-string-to-64-bit-integer-conversion-overflow-tests.patch added to mm-nonmm-unstable branch
@ 2026-04-03 17:10 Andrew Morton
0 siblings, 0 replies; 2+ messages in thread
From: Andrew Morton @ 2026-04-03 17:10 UTC (permalink / raw)
To: mm-commits, dmantipov, akpm
The patch titled
Subject: lib: add more string to 64-bit integer conversion overflow tests
has been added to the -mm mm-nonmm-unstable branch. Its filename is
lib-add-more-string-to-64-bit-integer-conversion-overflow-tests.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/lib-add-more-string-to-64-bit-integer-conversion-overflow-tests.patch
This patch will later appear in the mm-nonmm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next via various
branches at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there most days
------------------------------------------------------
From: Dmitry Antipov <dmantipov@yandex.ru>
Subject: lib: add more string to 64-bit integer conversion overflow tests
Date: Fri, 3 Apr 2026 13:33:35 +0300
Add a few more string to 64-bit integer conversion tests to check whether
'kstrtoull()', 'kstrtoll()', 'kstrtou64()' and 'kstrtos64()' can handle
overflows reported by '_parse_integer_limit()'.
Link: https://lkml.kernel.org/r/20260403103338.1122415-4-dmantipov@yandex.ru
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Suggested-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Alexandre Ghiti <alex@ghiti.fr>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: "Darrick J. Wong" <djwong@kernel.org>
Cc: Kees Cook <kees@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <pjw@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
lib/test-kstrtox.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/lib/test-kstrtox.c~lib-add-more-string-to-64-bit-integer-conversion-overflow-tests
+++ a/lib/test-kstrtox.c
@@ -198,6 +198,7 @@ static void __init test_kstrtoull_fail(v
{"10000000000000000000000000000000000000000000000000000000000000000", 2},
{"2000000000000000000000", 8},
{"18446744073709551616", 10},
+ {"569202370375329612767", 10},
{"10000000000000000", 16},
/* negative */
{"-0", 0},
@@ -275,9 +276,11 @@ static void __init test_kstrtoll_fail(vo
{"9223372036854775809", 10},
{"18446744073709551614", 10},
{"18446744073709551615", 10},
+ {"569202370375329612767", 10},
{"-9223372036854775809", 10},
{"-18446744073709551614", 10},
{"-18446744073709551615", 10},
+ {"-569202370375329612767", 10},
/* sign is first character if any */
{"-+1", 0},
{"-+1", 8},
@@ -334,6 +337,7 @@ static void __init test_kstrtou64_fail(v
{"-1", 10},
{"18446744073709551616", 10},
{"18446744073709551617", 10},
+ {"569202370375329612767", 10},
};
TEST_FAIL(kstrtou64, u64, "%llu", test_u64_fail);
}
@@ -386,6 +390,8 @@ static void __init test_kstrtos64_fail(v
{"18446744073709551615", 10},
{"18446744073709551616", 10},
{"18446744073709551617", 10},
+ {"569202370375329612767", 10},
+ {"-569202370375329612767", 10},
};
TEST_FAIL(kstrtos64, s64, "%lld", test_s64_fail);
}
_
Patches currently in -mm which might be from dmantipov@yandex.ru are
lib-fix-_parse_integer_limit-to-handle-overflow.patch
lib-fix-memparse-to-handle-overflow.patch
lib-add-more-string-to-64-bit-integer-conversion-overflow-tests.patch
lib-cmdline_kunit-add-test-case-for-memparse.patch
lib-cmdline-adjust-a-few-comments-to-fix-kernel-doc-wreturn-warnings.patch
riscv-export-symbols-needed-for-riscv32-efi-stub.patch
^ permalink raw reply [flat|nested] 2+ messages in thread* + lib-add-more-string-to-64-bit-integer-conversion-overflow-tests.patch added to mm-nonmm-unstable branch
@ 2026-02-20 21:34 Andrew Morton
0 siblings, 0 replies; 2+ messages in thread
From: Andrew Morton @ 2026-02-20 21:34 UTC (permalink / raw)
To: mm-commits, kees, djwong, andriy.shevchenko, dmantipov, akpm
The patch titled
Subject: lib: add more string to 64-bit integer conversion overflow tests
has been added to the -mm mm-nonmm-unstable branch. Its filename is
lib-add-more-string-to-64-bit-integer-conversion-overflow-tests.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/lib-add-more-string-to-64-bit-integer-conversion-overflow-tests.patch
This patch will later appear in the mm-nonmm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next via various
branches at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there most days
------------------------------------------------------
From: Dmitry Antipov <dmantipov@yandex.ru>
Subject: lib: add more string to 64-bit integer conversion overflow tests
Date: Thu, 12 Feb 2026 19:44:11 +0300
Add a few more string to 64-bit integer conversion tests to check whether
'kstrtoull()', 'kstrtoll()', 'kstrtou64()' and 'kstrtos64()' can handle
overflows reported by '_parse_integer_limit()'.
Link: https://lkml.kernel.org/r/20260212164413.889625-4-dmantipov@yandex.ru
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Suggested-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Cc: "Darrick J. Wong" <djwong@kernel.org>
Cc: Kees Cook <kees@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
lib/test-kstrtox.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/lib/test-kstrtox.c~lib-add-more-string-to-64-bit-integer-conversion-overflow-tests
+++ a/lib/test-kstrtox.c
@@ -198,6 +198,7 @@ static void __init test_kstrtoull_fail(v
{"10000000000000000000000000000000000000000000000000000000000000000", 2},
{"2000000000000000000000", 8},
{"18446744073709551616", 10},
+ {"569202370375329612767", 10},
{"10000000000000000", 16},
/* negative */
{"-0", 0},
@@ -275,9 +276,11 @@ static void __init test_kstrtoll_fail(vo
{"9223372036854775809", 10},
{"18446744073709551614", 10},
{"18446744073709551615", 10},
+ {"569202370375329612767", 10},
{"-9223372036854775809", 10},
{"-18446744073709551614", 10},
{"-18446744073709551615", 10},
+ {"-569202370375329612767", 10},
/* sign is first character if any */
{"-+1", 0},
{"-+1", 8},
@@ -334,6 +337,7 @@ static void __init test_kstrtou64_fail(v
{"-1", 10},
{"18446744073709551616", 10},
{"18446744073709551617", 10},
+ {"569202370375329612767", 10},
};
TEST_FAIL(kstrtou64, u64, "%llu", test_u64_fail);
}
@@ -386,6 +390,8 @@ static void __init test_kstrtos64_fail(v
{"18446744073709551615", 10},
{"18446744073709551616", 10},
{"18446744073709551617", 10},
+ {"569202370375329612767", 10},
+ {"-569202370375329612767", 10},
};
TEST_FAIL(kstrtos64, s64, "%lld", test_s64_fail);
}
_
Patches currently in -mm which might be from dmantipov@yandex.ru are
lib-fix-_parse_integer_limit-to-handle-overflow.patch
lib-fix-memparse-to-handle-overflow.patch
lib-add-more-string-to-64-bit-integer-conversion-overflow-tests.patch
lib-cmdline_kunit-add-test-case-for-memparse.patch
lib-cmdline-adjust-a-few-comments-to-fix-kernel-doc-wreturn-warnings.patch
^ permalink raw reply [flat|nested] 2+ messages in thread
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