diff options
| author | Alexander Motin <[email protected]> | 2023-11-18 20:01:03 -0500 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2023-11-28 11:17:52 -0800 |
| commit | 56a2a0981ed770ed316769d078c892b1e8fa67a9 (patch) | |
| tree | 8c5f790ffe7d4de02800e5bc59595eccaf583dc2 /module/os/linux/zfs | |
| parent | 9b9b09f452a469458451c221debfbab944e7f081 (diff) | |
ZIL: Do not encrypt block pointers in lr_clone_range_t
In case of crash cloned blocks need to be claimed on pool import.
It is only possible if they (lr_bps) and their count (lr_nbps) are
not encrypted but only authenticated, similar to block pointer in
lr_write_t. Few other fields can be and are still encrypted.
This should fix panic on ZIL claim after crash when block cloning
is actively used.
Reviewed-by: Richard Yao <[email protected]>
Reviewed-by: Tom Caputi <[email protected]>
Reviewed-by: Sean Eric Fagan <[email protected]>
Reviewed-by: Brian Behlendorf <[email protected]>
Reviewed-by: Edmund Nadolski <[email protected]>
Signed-off-by: Alexander Motin <[email protected]>
Sponsored by: iXsystems, Inc.
Closes #15543
Closes #15513
Diffstat (limited to 'module/os/linux/zfs')
| -rw-r--r-- | module/os/linux/zfs/zio_crypt.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/module/os/linux/zfs/zio_crypt.c b/module/os/linux/zfs/zio_crypt.c index 55554d09e..775ab8efb 100644 --- a/module/os/linux/zfs/zio_crypt.c +++ b/module/os/linux/zfs/zio_crypt.c @@ -1543,6 +1543,21 @@ zio_crypt_init_uios_zil(boolean_t encrypt, uint8_t *plainbuf, nr_iovecs++; total_len += crypt_len; } + } else if (txtype == TX_CLONE_RANGE) { + const size_t o = offsetof(lr_clone_range_t, lr_nbps); + crypt_len = o - sizeof (lr_t); + src_iovecs[nr_iovecs].iov_base = slrp + sizeof (lr_t); + src_iovecs[nr_iovecs].iov_len = crypt_len; + dst_iovecs[nr_iovecs].iov_base = dlrp + sizeof (lr_t); + dst_iovecs[nr_iovecs].iov_len = crypt_len; + + /* copy the bps now since they will not be encrypted */ + memcpy(dlrp + o, slrp + o, lr_len - o); + memcpy(aadp, slrp + o, lr_len - o); + aadp += lr_len - o; + aad_len += lr_len - o; + nr_iovecs++; + total_len += crypt_len; } else { crypt_len = lr_len - sizeof (lr_t); src_iovecs[nr_iovecs].iov_base = slrp + sizeof (lr_t); |