This is a note to let you know that I've just added the patch titled
binfmt: Fix error return code in load_elf_fdpic_binary()
to the 4.19-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
binfmt-fix-error-return-code-in-load_elf_fdpic_binar.patch
and it can be found in the queue-4.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit cb6464b7c8b84b256ef8eec5546ce99497f63142
Author: Wang Yufen <wangyufen@xxxxxxxxxx>
Date: Fri Dec 2 09:41:01 2022 +0800
binfmt: Fix error return code in load_elf_fdpic_binary()
[ Upstream commit e7f703ff2507f4e9f496da96cd4b78fd3026120c ]
Fix to return a negative error code from create_elf_fdpic_tables()
instead of 0.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Wang Yufen <wangyufen@xxxxxxxxxx>
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
Link: https://lore.kernel.org/r/1669945261-30271-1-git-send-email-wangyufen@xxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index 60896c16f103..64d0b838085d 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -439,8 +439,9 @@ static int load_elf_fdpic_binary(struct linux_binprm *bprm)
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);
