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exec: Move the call of prepare_binprm into search_binary_handler

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The code in prepare_binary_handler needs to be run every time
search_binary_handler is called so move the call into search_binary_handler
itself to make the code simpler and easier to understand.

Link: https://lkml.kernel.org/r/87d070zrvx.fsf_-_@x220.int.ebiederm.org
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: James Morris <jamorris@linux.microsoft.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman
2020-05-13 22:25:20 -05:00
parent a16b3357b2
commit 8b72ca9004
6 changed files with 5 additions and 22 deletions
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include/linux/binfmts.h
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@@ -116,7 +116,6 @@ static inline void insert_binfmt(struct linux_binfmt *fmt)
extern void unregister_binfmt(struct linux_binfmt *);
extern int prepare_binprm(struct linux_binprm *);
extern int __must_check remove_arg_zero(struct linux_binprm *);
extern int search_binary_handler(struct linux_binprm *);
extern int begin_new_exec(struct linux_binprm * bprm);