From: Wang Yufen wangyufen@huawei.com
commit e7f703ff2507f4e9f496da96cd4b78fd3026120c upstream.
Fix to return a negative error code from create_elf_fdpic_tables() instead of 0.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Cc: stable@vger.kernel.org Signed-off-by: Wang Yufen wangyufen@huawei.com Signed-off-by: Kees Cook keescook@chromium.org Link: https://lore.kernel.org/r/1669945261-30271-1-git-send-email-wangyufen@huawei... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/binfmt_elf_fdpic.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
--- a/fs/binfmt_elf_fdpic.c +++ b/fs/binfmt_elf_fdpic.c @@ -434,8 +434,9 @@ static int load_elf_fdpic_binary(struct current->mm->start_stack = current->mm->start_brk + stack_size; #endif
- if (create_elf_fdpic_tables(bprm, current->mm, - &exec_params, &interp_params) < 0) + retval = create_elf_fdpic_tables(bprm, current->mm, &exec_params, + &interp_params); + if (retval < 0) goto error;
kdebug("- start_code %lx", current->mm->start_code);