|
|
|---|
goto out; | goto out; |
| |
retval = kernel_read(interpreter,interp_elf_ex->e_phoff,(char *)elf_phdata,size); | retval = kernel_read(interpreter,interp_elf_ex->e_phoff,(char *)elf_phdata,size); |
error = retval; |
error = -EIO; |
if (retval < 0) |
if (retval != size) { |
|
if (retval < 0) |
|
error = retval; |
goto out_close; | goto out_close; |
|
} |
| |
eppnt = elf_phdata; | eppnt = elf_phdata; |
for (i=0; i<interp_elf_ex->e_phnum; i++, eppnt++) { | for (i=0; i<interp_elf_ex->e_phnum; i++, eppnt++) { |
|
|
|---|
goto out; | goto out; |
| |
retval = kernel_read(bprm->file, elf_ex.e_phoff, (char *) elf_phdata, size); | retval = kernel_read(bprm->file, elf_ex.e_phoff, (char *) elf_phdata, size); |
if (retval < 0) |
if (retval != size) { |
|
if (retval >= 0) |
|
retval = -EIO; |
goto out_free_ph; | goto out_free_ph; |
|
} |
| |
files = current->files; /* Refcounted so ok */ | files = current->files; /* Refcounted so ok */ |
retval = unshare_files(); | retval = unshare_files(); |
|
|
|---|
*/ | */ |
| |
retval = -ENOMEM; | retval = -ENOMEM; |
if (elf_ppnt->p_filesz > PATH_MAX) |
if (elf_ppnt->p_filesz > PATH_MAX || |
|
elf_ppnt->p_filesz == 0) |
goto out_free_file; | goto out_free_file; |
elf_interpreter = (char *) kmalloc(elf_ppnt->p_filesz, | elf_interpreter = (char *) kmalloc(elf_ppnt->p_filesz, |
GFP_KERNEL); | GFP_KERNEL); |
|
|
|---|
retval = kernel_read(bprm->file, elf_ppnt->p_offset, | retval = kernel_read(bprm->file, elf_ppnt->p_offset, |
elf_interpreter, | elf_interpreter, |
elf_ppnt->p_filesz); | elf_ppnt->p_filesz); |
if (retval < 0) |
if (retval != elf_ppnt->p_filesz) { |
|
if (retval >= 0) |
|
retval = -EIO; |
goto out_free_interp; | goto out_free_interp; |
|
} |
|
/* make sure path is NULL terminated */ |
|
retval = -EINVAL; |
|
if (elf_interpreter[elf_ppnt->p_filesz - 1] != '\0') |
|
goto out_free_interp; |
|
|
/* If the program interpreter is one of these two, | /* If the program interpreter is one of these two, |
* then assume an iBCS2 image. Otherwise assume | * then assume an iBCS2 image. Otherwise assume |
* a native linux image. | * a native linux image. |
|
|
|---|
if (IS_ERR(interpreter)) | if (IS_ERR(interpreter)) |
goto out_free_interp; | goto out_free_interp; |
retval = kernel_read(interpreter, 0, bprm->buf, BINPRM_BUF_SIZE); | retval = kernel_read(interpreter, 0, bprm->buf, BINPRM_BUF_SIZE); |
if (retval < 0) |
if (retval != BINPRM_BUF_SIZE) { |
|
if (retval >= 0) |
|
retval = -EIO; |
goto out_free_dentry; | goto out_free_dentry; |
|
} |
| |
/* Get the exec headers */ | /* Get the exec headers */ |
interp_ex = *((struct exec *) bprm->buf); | interp_ex = *((struct exec *) bprm->buf); |
|
|
|---|
} | } |
| |
error = elf_map(bprm->file, load_bias + vaddr, elf_ppnt, elf_prot, elf_flags); | error = elf_map(bprm->file, load_bias + vaddr, elf_ppnt, elf_prot, elf_flags); |
if (BAD_ADDR(error)) |
if (BAD_ADDR(error)) { |
continue; |
send_sig(SIGKILL, current, 0); |
|
goto out_free_dentry; |
|
} |
| |
if (!load_addr_set) { | if (!load_addr_set) { |
load_addr_set = 1; | load_addr_set = 1; |
