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authorTetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>2008-04-29 00:59:17 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-29 08:06:03 -0700
commit175a06ae300188af8a61db68a78e1af44dc7d44f (patch)
treeed088932ad725985ead11fbf9e4cd7754af0dcc8 /Documentation/DMA-API.txt
parentecd0fa9825a1270e31fb48bc9edcfb28918b6c51 (diff)
exec: remove argv_len from struct linux_binprm
I noticed that 2.6.24.2 calculates bprm->argv_len at do_execve(). But it doesn't update bprm->argv_len after "remove_arg_zero() + copy_strings_kernel()" at load_script() etc. audit_bprm() is called from search_binary_handler() and search_binary_handler() is called from load_script() etc. Thus, I think the condition check if (bprm->argv_len > (audit_argv_kb << 10)) return -E2BIG; in audit_bprm() might return wrong result when strlen(removed_arg) != strlen(spliced_args). Why not update bprm->argv_len at load_script() etc. ? By the way, 2.6.25-rc3 seems to not doing the condition check. Is the field bprm->argv_len no longer needed? Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: Ollie Wild <aaw@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation/DMA-API.txt')
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