fs/9p: only translate RWX permissions for plain 9P2000

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Garbage in plain 9P2000's perm bits is allowed through, which causes it
to be able to set (among others) the suid bit. This was presumably not
the intent since the unix extended bits are handled explicitly and
conditionally on .u.

Signed-off-by: Joakim Sindholt <opensource@zhasha.com>
Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>

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Joakim Sindholt 2024-03-18 12:22:31 +01:00 • committed by Eric Van Hensbergen

parent 8d025e2092

commit cd25e15e57

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fs/9p/vfs_inode.c

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