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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2017-10-13 16:29:08 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-10-13 16:29:08 -0700 |
| commit | 06d97c58f65cc747573a3fa8569cca0169e5096e (patch) | |
| tree | f8379d122eb8e49cface843dc594baef3ceae48e /kernel | |
| parent | Merge tag 'pci-v4.14-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci (diff) | |
| parent | mm, swap: use page-cluster as max window of VMA based swap readahead (diff) | |
| download | linux-rng-06d97c58f65cc747573a3fa8569cca0169e5096e.tar.xz linux-rng-06d97c58f65cc747573a3fa8569cca0169e5096e.zip | |
Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton:
"18 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
mm, swap: use page-cluster as max window of VMA based swap readahead
mm: page_vma_mapped: ensure pmd is loaded with READ_ONCE outside of lock
kmemleak: clear stale pointers from task stacks
fs/binfmt_misc.c: node could be NULL when evicting inode
fs/mpage.c: fix mpage_writepage() for pages with buffers
linux/kernel.h: add/correct kernel-doc notation
tty: fall back to N_NULL if switching to N_TTY fails during hangup
Revert "vmalloc: back off when the current task is killed"
mm/cma.c: take __GFP_NOWARN into account in cma_alloc()
scripts/kallsyms.c: ignore symbol type 'n'
userfaultfd: selftest: exercise -EEXIST only in background transfer
mm: only display online cpus of the numa node
mm: remove unnecessary WARN_ONCE in page_vma_mapped_walk().
mm/mempolicy: fix NUMA_INTERLEAVE_HIT counter
include/linux/of.h: provide of_n_{addr,size}_cells wrappers for !CONFIG_OF
mm/madvise.c: add description for MADV_WIPEONFORK and MADV_KEEPONFORK
lib/Kconfig.debug: kernel hacking menu: runtime testing: keep tests together
mm/migrate: fix indexing bug (off by one) and avoid out of bound access
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/fork.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index e702cb9ffbd8..07cc743698d3 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -215,6 +215,10 @@ static unsigned long *alloc_thread_stack_node(struct task_struct *tsk, int node) if (!s) continue; +#ifdef CONFIG_DEBUG_KMEMLEAK + /* Clear stale pointers from reused stack. */ + memset(s->addr, 0, THREAD_SIZE); +#endif tsk->stack_vm_area = s; return s->addr; } |