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-rw-r--r--kernel/fork.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index 86da59e..fa91243 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1362,6 +1362,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
if (retval)
goto bad_fork_cleanup_policy;
/* copy all the process information */
+ shm_init_task(p);
retval = copy_semundo(clone_flags, p);
if (retval)
goto bad_fork_cleanup_audit;
@@ -1913,6 +1914,11 @@ SYSCALL_DEFINE1(unshare, unsigned long, unshare_flags)
*/
exit_sem(current);
}
+ if (unshare_flags & CLONE_NEWIPC) {
+ /* Orphan segments in old ns (see sem above). */
+ exit_shm(current);
+ shm_init_task(current);
+ }
if (new_nsproxy)
switch_task_namespaces(current, new_nsproxy);
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