diff options
Diffstat (limited to 'fs/binfmt_elf.c')
| -rw-r--r-- | fs/binfmt_elf.c | 25 |
1 files changed, 5 insertions, 20 deletions
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 3892c1a23241..d8fc0605b9d2 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -738,10 +738,8 @@ static int load_elf_binary(struct linux_binprm *bprm) change some of these later */ retval = setup_arg_pages(bprm, randomize_stack_top(STACK_TOP), executable_stack); - if (retval < 0) { - send_sig(SIGKILL, current, 0); + if (retval < 0) goto out_free_dentry; - } current->mm->start_stack = bprm->p; @@ -763,10 +761,8 @@ static int load_elf_binary(struct linux_binprm *bprm) and clear the area. */ retval = set_brk(elf_bss + load_bias, elf_brk + load_bias); - if (retval) { - send_sig(SIGKILL, current, 0); + if (retval) goto out_free_dentry; - } nbyte = ELF_PAGEOFFSET(elf_bss); if (nbyte) { nbyte = ELF_MIN_ALIGN - nbyte; @@ -820,7 +816,6 @@ static int load_elf_binary(struct linux_binprm *bprm) error = elf_map(bprm->file, load_bias + vaddr, elf_ppnt, elf_prot, elf_flags, 0); if (BAD_ADDR(error)) { - send_sig(SIGKILL, current, 0); retval = IS_ERR((void *)error) ? PTR_ERR((void*)error) : -EINVAL; goto out_free_dentry; @@ -851,7 +846,6 @@ static int load_elf_binary(struct linux_binprm *bprm) elf_ppnt->p_memsz > TASK_SIZE || TASK_SIZE - elf_ppnt->p_memsz < k) { /* set_brk can never work. Avoid overflows. */ - send_sig(SIGKILL, current, 0); retval = -EINVAL; goto out_free_dentry; } @@ -883,12 +877,9 @@ static int load_elf_binary(struct linux_binprm *bprm) * up getting placed where the bss needs to go. */ retval = set_brk(elf_bss, elf_brk); - if (retval) { - send_sig(SIGKILL, current, 0); + if (retval) goto out_free_dentry; - } if (likely(elf_bss != elf_brk) && unlikely(padzero(elf_bss))) { - send_sig(SIGSEGV, current, 0); retval = -EFAULT; /* Nobody gets to see this, but.. */ goto out_free_dentry; } @@ -909,7 +900,6 @@ static int load_elf_binary(struct linux_binprm *bprm) elf_entry += loc->interp_elf_ex.e_entry; } if (BAD_ADDR(elf_entry)) { - force_sig(SIGSEGV, current); retval = IS_ERR((void *)elf_entry) ? (int)elf_entry : -EINVAL; goto out_free_dentry; @@ -922,7 +912,6 @@ static int load_elf_binary(struct linux_binprm *bprm) } else { elf_entry = loc->elf_ex.e_entry; if (BAD_ADDR(elf_entry)) { - force_sig(SIGSEGV, current); retval = -EINVAL; goto out_free_dentry; } @@ -934,19 +923,15 @@ static int load_elf_binary(struct linux_binprm *bprm) #ifdef ARCH_HAS_SETUP_ADDITIONAL_PAGES retval = arch_setup_additional_pages(bprm, !!elf_interpreter); - if (retval < 0) { - send_sig(SIGKILL, current, 0); + if (retval < 0) goto out; - } #endif /* ARCH_HAS_SETUP_ADDITIONAL_PAGES */ install_exec_creds(bprm); retval = create_elf_tables(bprm, &loc->elf_ex, load_addr, interp_load_addr); - if (retval < 0) { - send_sig(SIGKILL, current, 0); + if (retval < 0) goto out; - } /* N.B. passed_fileno might not be initialized? */ current->mm->end_code = end_code; current->mm->start_code = start_code; |