Re: [PATCH V2] catch acl==NULL in __jfs_set_acl (fixed null pointer dereference)

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> I'm pretty sure there's a patch queued up somewhere to make
> posix_acl_equiv_mode handle the NULL ACL.  I think this was first
> reportd on gfs2.

That might be a better solution, posix_acl_equiv is used at several places (e.g. tmpfs, where the bug is also triggered).
However, in e.g. the ext4 or the btrfs acl implementation, acl == NULL is catched.

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