diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-11-09 16:22:26 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-11-09 16:22:26 -0800 |
| commit | e4da7e9a54649d6877ac23828ff93ce7191eae2c (patch) | |
| tree | 8da364f62ed721a02eab0f638bf0ffd78c3b2756 | |
| parent | 50c36504fc6090847f1fbdc7cf4852ae16d6e500 (diff) | |
| parent | 4ac313111018cb44ecc250445de5ccb93026a980 (diff) | |
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
Pull m68knommu/coldfire fix from Greg Ungerer:
"Only a single patch, fixes brk area setup problem in nommu
environments"
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
fs/binfmt_elf_fdpic.c: fix brk area overlap with stack on NOMMU
| -rw-r--r-- | fs/binfmt_elf_fdpic.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c index d3634bfb7fe1..d2b079afed0e 100644 --- a/fs/binfmt_elf_fdpic.c +++ b/fs/binfmt_elf_fdpic.c @@ -374,10 +374,7 @@ static int load_elf_fdpic_binary(struct linux_binprm *bprm) PAGE_ALIGN(current->mm->start_brk); #else - /* create a stack and brk area big enough for everyone - * - the brk heap starts at the bottom and works up - * - the stack starts at the top and works down - */ + /* create a stack area and zero-size brk area */ stack_size = (stack_size + PAGE_SIZE - 1) & PAGE_MASK; if (stack_size < PAGE_SIZE * 2) stack_size = PAGE_SIZE * 2; @@ -400,8 +397,6 @@ static int load_elf_fdpic_binary(struct linux_binprm *bprm) current->mm->brk = current->mm->start_brk; current->mm->context.end_brk = current->mm->start_brk; - current->mm->context.end_brk += - (stack_size > PAGE_SIZE) ? (stack_size - PAGE_SIZE) : 0; current->mm->start_stack = current->mm->start_brk + stack_size; #endif |