gfs2: Add missing truncate_inode_pages_final for sd_aspace
[ Upstream commit a9dd945ccef07a904e412f208f8de708a3d7159e ] Gfs2 creates an address space for its rgrps called sd_aspace, but it never called truncate_inode_pages_final on it. This confused vfs greatly which tried to reference the address space after gfs2 had freed the superblock that contained it. This patch adds a call to truncate_inode_pages_final for sd_aspace, thus avoiding the use-after-free. Signed-off-by: Bob Peterson <rpeterso@redhat.com> Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -689,6 +689,7 @@ restart:
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gfs2_jindex_free(sdp);
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/* Take apart glock structures and buffer lists */
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gfs2_gl_hash_clear(sdp);
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truncate_inode_pages_final(&sdp->sd_aspace);
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gfs2_delete_debugfs_file(sdp);
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/* Unmount the locking protocol */
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gfs2_lm_unmount(sdp);
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