The patch titled
Subject: vfs: fix dup_mnt_ns
has been removed from the -mm tree. Its filename was
brlocks-lglocks-cleanups-fix.patch
This patch was dropped because it was folded into brlocks-lglocks-cleanups.patch
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
From: Sasha Levin <levinsasha928@xxxxxxxxx>
Subject: vfs: fix dup_mnt_ns
Commit f8b88187 ("brlocks/lglocks: cleanups") has accidently dropped the
assignment of the new root into the mnt_fs.
This leads to NULL dereferences since ->root is assumed to be always non-NULL.
Signed-off-by: Sasha Levin <levinsasha928@xxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/namespace.c | 1 +
1 file changed, 1 insertion(+)
diff -puN fs/namespace.c~brlocks-lglocks-cleanups-fix fs/namespace.c
--- a/fs/namespace.c~brlocks-lglocks-cleanups-fix
+++ a/fs/namespace.c
@@ -2250,6 +2250,7 @@ static struct mnt_namespace *dup_mnt_ns(
kfree(new_ns);
return ERR_PTR(-ENOMEM);
}
+ new_ns->root = new;
br_write_lock(&vfsmount_lock);
list_add_tail(&new_ns->list, &new->mnt_list);
br_write_unlock(&vfsmount_lock);
_
Patches currently in -mm which might be from levinsasha928@xxxxxxxxx are
origin.patch
smp-introduce-a-generic-on_each_cpu_mask-function.patch
smp-add-func-to-ipi-cpus-based-on-parameter-func.patch
slub-only-ipi-cpus-that-have-per-cpu-obj-to-flush.patch
linux-next.patch
brlocks-lglocks-cleanups.patch
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