Signed-off-by: Stanislav Kinsburskiy <skinsbur...@virtuozzo.com>
---
fs/autofs4/inode.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c
index b23cf2a..989ac38 100644
--- a/fs/autofs4/inode.c
+++ b/fs/autofs4/inode.c
@@ -217,6 +217,7 @@ int autofs4_fill_super(struct super_block *s, void *data,
int silent)
int pgrp;
bool pgrp_set = false;
int ret = -EINVAL;
+ struct task_struct *tsk;
sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
if (!sbi)
@@ -281,10 +282,25 @@ int autofs4_fill_super(struct super_block *s, void *data,
int silent)
pgrp);
goto fail_dput;
}
+ tsk = get_pid_task(sbi->oz_pgrp, PIDTYPE_PGID);
+ if (!tsk) {
+ pr_warn("autofs: could not find process group leader
%d\n",
+ pgrp);
+ goto fail_put_pid;
+ }
} else {
sbi->oz_pgrp = get_task_pid(current, PIDTYPE_PGID);
+ get_task_struct(current);
+ tsk = current;
}
+ if (test_tsk_thread_flag(tsk, TIF_ADDR32))
+ sbi->is32bit = 1;
+ else
+ sbi->is32bit = 0;
+
+ put_task_struct(tsk);
+
if (autofs_type_trigger(sbi->type))
__managed_dentry_set_managed(root);
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