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authorKees Cook <keescook@chromium.org>2018-04-11 01:32:54 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2018-04-11 19:28:35 +0200
commitf6f66c1bf53079ce1f0789c8b482fba35b81617d (patch)
treef6660b3a670c905f8f49e68ba6625c39be3bae56 /lib/test_ubsan.c
parentlib/Kconfig.debug: Debug Lockups and Hangs: keep SOFTLOCKUP options together (diff)
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lib/test_bitmap.c: do not accidentally use stack VLA
This avoids an accidental stack VLA (since the compiler thinks the value of "len" can change, even when marked "const"). This just replaces it with a #define so it will DTRT. Seen with -Wvla. Fixed as part of the directive to remove all VLAs from the kernel: https://lkml.org/lkml/2018/3/7/621 Link: http://lkml.kernel.org/r/20180307212555.GA17927@beast Signed-off-by: Kees Cook <keescook@chromium.org> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Cc: Yury Norov <ynorov@caviumnetworks.com> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Matthew Wilcox <mawilcox@microsoft.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib/test_ubsan.c')
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