diff options
Diffstat (limited to 'fs/binfmt_elf_fdpic.c')
| -rw-r--r-- | fs/binfmt_elf_fdpic.c | 14 |
1 files changed, 3 insertions, 11 deletions
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c index e49d9c06a4b..6d6a16c5e9b 100644 --- a/fs/binfmt_elf_fdpic.c +++ b/fs/binfmt_elf_fdpic.c @@ -1626,7 +1626,6 @@ static int elf_fdpic_core_dump(struct coredump_params *cprm) #endif int thread_status_size = 0; elf_addr_t *auxv; - unsigned long mm_flags; struct elf_phdr *phdr4note = NULL; struct elf_shdr *shdr4extnum = NULL; Elf_Half e_phnum; @@ -1769,14 +1768,7 @@ static int elf_fdpic_core_dump(struct coredump_params *cprm) /* Page-align dumped data */ dataoff = offset = roundup(offset, ELF_EXEC_PAGESIZE); - /* - * We must use the same mm->flags while dumping core to avoid - * inconsistency between the program headers and bodies, otherwise an - * unusable core file can be generated. - */ - mm_flags = current->mm->flags; - - offset += elf_core_vma_data_size(mm_flags); + offset += elf_core_vma_data_size(cprm->mm_flags); offset += elf_core_extra_data_size(); e_shoff = offset; @@ -1809,7 +1801,7 @@ static int elf_fdpic_core_dump(struct coredump_params *cprm) phdr.p_offset = offset; phdr.p_vaddr = vma->vm_start; phdr.p_paddr = 0; - phdr.p_filesz = maydump(vma, mm_flags) ? sz : 0; + phdr.p_filesz = maydump(vma, cprm->mm_flags) ? sz : 0; phdr.p_memsz = sz; offset += phdr.p_filesz; phdr.p_flags = vma->vm_flags & VM_READ ? PF_R : 0; @@ -1847,7 +1839,7 @@ static int elf_fdpic_core_dump(struct coredump_params *cprm) goto end_coredump; if (elf_fdpic_dump_segments(cprm->file, &size, &cprm->limit, - mm_flags) < 0) + cprm->mm_flags) < 0) goto end_coredump; if (!elf_core_write_extra_data(cprm->file, &size, cprm->limit)) |