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authorRasmus Villemoes <linux@rasmusvillemoes.dk>2015-11-07 03:30:23 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2015-11-07 04:50:42 +0300
commit762abb515415a5a4a37423f4f4ff5770d5a14bac (patch)
treec684c91824f7ba4af32be07ee61bc3ff611eb71a /lib/test-kstrtox.c
parentb006f19b055f90b73e97086490f95b83095dcc91 (diff)
downloadlinux-762abb515415a5a4a37423f4f4ff5770d5a14bac.tar.xz
lib/vsprintf.c: also improve sanity check in bstr_printf()
Quoting from 2aa2f9e21e4e ("lib/vsprintf.c: improve sanity check in vsnprintf()"): On 64 bit, size may very well be huge even if bit 31 happens to be 0. Somehow it doesn't feel right that one can pass a 5 GiB buffer but not a 3 GiB one. So cap at INT_MAX as was probably the intention all along. This is also the made-up value passed by sprintf and vsprintf. I should have seen this copy-pasted instance back then, but let's just do it now. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Kees Cook <keescook@chromium.org> Cc: Martin Kletzander <mkletzan@redhat.com> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib/test-kstrtox.c')
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