From eb4bc076ff94b82fce04f6db061de597f71bd129 Mon Sep 17 00:00:00 2001 From: "Maciej W. Rozycki" Date: Fri, 13 Nov 2015 00:47:48 +0000 Subject: ELF: Also pass any interpreter's file header to `arch_check_elf' Also pass any interpreter's file header to `arch_check_elf' so that any architecture handler can have a look at it if needed. Signed-off-by: Maciej W. Rozycki Acked-by: Andrew Morton Acked-by: Al Viro Cc: Matthew Fortune Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/11478/ Signed-off-by: Ralf Baechle --- fs/binfmt_elf.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'fs/binfmt_elf.c') diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 3a93755e880f..051ea4809c14 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -491,6 +491,7 @@ static inline int arch_elf_pt_proc(struct elfhdr *ehdr, * arch_check_elf() - check an ELF executable * @ehdr: The main ELF header * @has_interp: True if the ELF has an interpreter, else false. + * @interp_ehdr: The interpreter's ELF header * @state: Architecture-specific state preserved throughout the process * of loading the ELF. * @@ -502,6 +503,7 @@ static inline int arch_elf_pt_proc(struct elfhdr *ehdr, * with that return code. */ static inline int arch_check_elf(struct elfhdr *ehdr, bool has_interp, + struct elfhdr *interp_ehdr, struct arch_elf_state *state) { /* Dummy implementation, always proceed */ @@ -829,7 +831,9 @@ static int load_elf_binary(struct linux_binprm *bprm) * still possible to return an error to the code that invoked * the exec syscall. */ - retval = arch_check_elf(&loc->elf_ex, !!interpreter, &arch_state); + retval = arch_check_elf(&loc->elf_ex, + !!interpreter, &loc->interp_elf_ex, + &arch_state); if (retval) goto out_free_dentry; -- cgit v1.2.3