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author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-08-25 18:02:27 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-08-25 18:02:27 -0700 |
commit | b3242dba9ff285962fe84d1135cafe9383d721f0 (patch) | |
tree | cf4399b9a45bca863a0b404bfc7edfeff670ab1e /kernel | |
parent | 67a3b5cb33633f39db8809ae56c8c1752b541daa (diff) | |
parent | 91b540f98872a206ea1c49e4aa6ea8eed0886644 (diff) |
Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton:
"6 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
mm/memblock.c: reversed logic in memblock_discard()
fork: fix incorrect fput of ->exe_file causing use-after-free
mm/madvise.c: fix freeing of locked page with MADV_FREE
dax: fix deadlock due to misaligned PMD faults
mm, shmem: fix handling /sys/kernel/mm/transparent_hugepage/shmem_enabled
PM/hibernate: touch NMI watchdog when creating snapshot
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/fork.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index e075b7780421..cbbea277b3fb 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -806,6 +806,7 @@ static struct mm_struct *mm_init(struct mm_struct *mm, struct task_struct *p, mm_init_cpumask(mm); mm_init_aio(mm); mm_init_owner(mm, p); + RCU_INIT_POINTER(mm->exe_file, NULL); mmu_notifier_mm_init(mm); init_tlb_flush_pending(mm); #if defined(CONFIG_TRANSPARENT_HUGEPAGE) && !USE_SPLIT_PMD_PTLOCKS |