I confirm that I can reproduce this issue using xfs_growfs both on Precise and Quantal kernels. For the moment, I'm going to propose to revert the offending commit in both kernels (upstream eb178619f930fa2ba2348de332a1ff1c66a31424 "xfs: fix _xfs_buf_find oops on blocks beyond the filesystem end") and evaluate the patch identified by TGL in comment #5.
I confirm that I can reproduce this issue using xfs_growfs both on Precise and Quantal kernels. For the moment, I'm going to propose to revert the offending commit in both kernels (upstream eb178619f930fa2 ba2348de332a1ff 1c66a31424 "xfs: fix _xfs_buf_find oops on blocks beyond the filesystem end") and evaluate the patch identified by TGL in comment #5.
Thank you!