The patch titled Subject: lib: string_helpers: fix potential snprintf() output truncation has been added to the -mm mm-hotfixes-unstable branch. Its filename is lib-string_helpers-fix-potential-snprintf-output-truncation.patch

This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches...

This patch will later appear in the mm-hotfixes-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------ From: Bartosz Golaszewski bartosz.golaszewski@linaro.org Subject: lib: string_helpers: fix potential snprintf() output truncation Date: Mon, 21 Oct 2024 11:14:17 +0200

The output of ".%03u" with the unsigned int in range [0, 4294966295] may get truncated if the target buffer is not 12 bytes.

Link: https://lkml.kernel.org/r/20241021091417.37796-1-brgl@bgdev.pl Fixes: 3c9f3681d0b4 ("[SCSI] lib: add generic helper to print sizes rounded to the correct SI range") Signed-off-by: Bartosz Golaszewski bartosz.golaszewski@linaro.org Reviewed-by: Andy Shevchenko andy@kernel.org Cc: James E.J. Bottomley James.Bottomley@HansenPartnership.com Cc: Kees Cook kees@kernel.org Cc: stable@vger.kernel.org Signed-off-by: Andrew Morton akpm@linux-foundation.org ---

lib/string_helpers.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/lib/string_helpers.c~lib-string_helpers-fix-potential-snprintf-output-truncation +++ a/lib/string_helpers.c @@ -57,7 +57,7 @@ int string_get_size(u64 size, u64 blk_si static const unsigned int rounding[] = { 500, 50, 5 }; int i = 0, j; u32 remainder = 0, sf_cap; - char tmp[8]; + char tmp[12]; const char *unit;

tmp[0] = '\0'; _

Patches currently in -mm which might be from bartosz.golaszewski@linaro.org are

lib-string_helpers-fix-potential-snprintf-output-truncation.patch