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[PATCH] fs/proc: Fix NULL pointer dereference in pid_delete_dentry

Get the staus of task from the pointer of proc inode directly is not safe. The function get_proc_task make it happen in RCU protection. Signed-off-by: Yahu Gao --- fs/proc/base.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/proc/base.c b/fs/proc/base.c index

Review request 0/1: fs/proc: Fix NULL pointer dereference in

There is a kernel NULL pointer dereference was found in Linux system. The details of kernel NULL is shown at bellow. Currently, we do not have a way to provoke this fault on purpose, but the reproduction rate in out CI loops is high enough that we could go for a trace patch in black or white UP