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authorSteve French <sfrench@us.ibm.com>2008-05-06 17:55:32 +0000
committerSteve French <sfrench@us.ibm.com>2008-05-06 17:55:32 +0000
commita815752ac0ffdb910e92958d41d28f4fb28e5296 (patch)
treea3aa16a282354da0debe8e3a3a7ed8aac6e54001 /fs/binfmt_elf_fdpic.c
parent5ade9deaaa3e1f7291467d97b238648e43eae15e (diff)
parenta15306365a16380f3bafee9e181ba01231d4acd7 (diff)
downloadblackbird-op-linux-a815752ac0ffdb910e92958d41d28f4fb28e5296.tar.gz
blackbird-op-linux-a815752ac0ffdb910e92958d41d28f4fb28e5296.zip
Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'fs/binfmt_elf_fdpic.c')
-rw-r--r--fs/binfmt_elf_fdpic.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index 32649f2a1654..ddd35d873391 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -136,8 +136,8 @@ static int elf_fdpic_fetch_phdrs(struct elf_fdpic_params *params,
retval = kernel_read(file, params->hdr.e_phoff,
(char *) params->phdrs, size);
- if (retval < 0)
- return retval;
+ if (unlikely(retval != size))
+ return retval < 0 ? retval : -ENOEXEC;
/* determine stack size for this binary */
phdr = params->phdrs;
@@ -218,8 +218,11 @@ static int load_elf_fdpic_binary(struct linux_binprm *bprm,
phdr->p_offset,
interpreter_name,
phdr->p_filesz);
- if (retval < 0)
+ if (unlikely(retval != phdr->p_filesz)) {
+ if (retval >= 0)
+ retval = -ENOEXEC;
goto error;
+ }
retval = -ENOENT;
if (interpreter_name[phdr->p_filesz - 1] != '\0')
@@ -245,8 +248,11 @@ static int load_elf_fdpic_binary(struct linux_binprm *bprm,
retval = kernel_read(interpreter, 0, bprm->buf,
BINPRM_BUF_SIZE);
- if (retval < 0)
+ if (unlikely(retval != BINPRM_BUF_SIZE)) {
+ if (retval >= 0)
+ retval = -ENOEXEC;
goto error;
+ }
interp_params.hdr = *((struct elfhdr *) bprm->buf);
break;
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