diff options
author | Alex Shi <alex.shi@linaro.org> | 2015-06-25 16:17:21 +0800 |
---|---|---|
committer | Alex Shi <alex.shi@linaro.org> | 2015-06-25 16:19:06 +0800 |
commit | bd4e9a26373331ef6f185500c72a8836eb7c82d9 (patch) | |
tree | 13384e7649be7bb88ab9524efcbc602be85d5020 /fs/binfmt_elf.c | |
parent | 2528dbd348dd541e090594b7aac3f62351078388 (diff) | |
parent | 2cb9802eeb7f919f97df05b16ec128f4f5af366d (diff) |
Merge branch 'linux-linaro-lsk-v3.14' into linux-linaro-lsk-v3.14-androidlsk-v3.14-15.07-android
Conflicts:
fs/exec.c
Solutions:
follow commit d221244a7
sched: move no_new_privs into new atomic flags
to use task_no_new_privs(current).
Diffstat (limited to 'fs/binfmt_elf.c')
-rw-r--r-- | fs/binfmt_elf.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index f4d7b2fc9ffb..35240a704413 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -751,6 +751,7 @@ static int load_elf_binary(struct linux_binprm *bprm) i < loc->elf_ex.e_phnum; i++, elf_ppnt++) { int elf_prot = 0, elf_flags; unsigned long k, vaddr; + unsigned long total_size = 0; if (elf_ppnt->p_type != PT_LOAD) continue; @@ -815,10 +816,16 @@ static int load_elf_binary(struct linux_binprm *bprm) #else load_bias = ELF_PAGESTART(ELF_ET_DYN_BASE - vaddr); #endif + total_size = total_mapping_size(elf_phdata, + loc->elf_ex.e_phnum); + if (!total_size) { + retval = -EINVAL; + goto out_free_dentry; + } } error = elf_map(bprm->file, load_bias + vaddr, elf_ppnt, - elf_prot, elf_flags, 0); + elf_prot, elf_flags, total_size); if (BAD_ADDR(error)) { send_sig(SIGKILL, current, 0); retval = IS_ERR((void *)error) ? |