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authorEric Sandeen <sandeen@redhat.com>2008-07-25 01:45:27 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-25 10:53:26 -0700
commit585e93ae83b80c874bf4eb50a239027cef5db4af (patch)
treeb4564c31f5f731f5491fa145fd9ff52c297b6101 /init/do_mounts.c
parent545e400619b24b6b17b7f1f1e838e9ff6d036949 (diff)
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find dynamic stack allocations in checkstack.pl
Currently, checkstack.pl only looks for fixed subtractions from the stack pointer. However, things like this: void function(int size) { char stackbuster[size << 2]; ... are certainly worth pointing out, I think. This could perhaps be done more cleanly, and the following patch only adds "dynamic" REs for x86 and x86_64, but it works: 0x00b0 crypto_cbc_decrypt_inplace [cbc]: Dynamic (%rax) 0x00ad crypto_pcbc_decrypt_inplace [pcbc]: Dynamic (%rax) 0x02f6 crypto_pcbc_encrypt_inplace [pcbc]: Dynamic (%rax) 0x036c _crypto_xcbc_digest_setkey [xcbc]: Dynamic (%rax) ... (Inspired by Keith Owens' old stack-check script) Signed-off-by: Eric Sandeen <sandeen@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'init/do_mounts.c')
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