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kernel-patches/for-mainline/unreachabe-paths.diff

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There is no need to go throught the whole state machine for unreachable

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dentries; they will never match.

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Index: b/security/apparmor/main.c

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===================================================================

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--- a/security/apparmor/main.c

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+++ b/security/apparmor/main.c

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@@ -172,6 +172,14 @@ static char *aa_get_name(struct dentry *

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                name = d_namespace_path(dentry, mnt, buf, size);

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                if (!IS_ERR(name)) {

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+                       if (name[0] != '/') {

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+                               /*

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+                                * This dentry is not connected to the

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+                                * namespace root -- reject access.

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+                                */

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+                               kfree(buf);

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+                               return ERR_PTR(-ENOENT);

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+                       }

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                        *buffer = buf;

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                        return name;

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                }

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