diff options
| author | Matthew Wilcox <willy@debian.org> | 2003-09-09 19:44:26 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@home.osdl.org> | 2003-09-09 19:44:26 -0700 |
| commit | 53949f83f58918afe80eae89ab6ffe2dba8aaf5f (patch) | |
| tree | 2f97f06c60a8f21d715a4cb3abefd4b1a855c5b8 /fs/exec.c | |
| parent | b9f079914aa775bc9e2985f6c4263d46c4f80f1a (diff) | |
[PATCH] 1GB stack size limit on PA-RISC
This patch introduces a 1GB stack size limit for stack-grows-up (ie
PA-RISC), as discussed previously.
Diffstat (limited to 'fs/exec.c')
| -rw-r--r-- | fs/exec.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/exec.c b/fs/exec.c index ce0332bd2105..862a1a183d3a 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -374,7 +374,13 @@ int setup_arg_pages(struct linux_binprm *bprm) /* Adjust bprm->p to point to the end of the strings. */ bprm->p = PAGE_SIZE * i - offset; - stack_base = STACK_TOP - current->rlim[RLIMIT_STACK].rlim_max; + + /* Limit stack size to 1GB */ + stack_base = current->rlim[RLIMIT_STACK].rlim_max; + if (stack_base > (1 << 30)) + stack_base = 1 << 30; + stack_base = PAGE_ALIGN(STACK_TOP - stack_base); + mm->arg_start = stack_base; arg_size = i << PAGE_SHIFT; |