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[2.2] ZIL: Do not encrypt block pointers in lr_clone_range_t #15596

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merged 1 commit into from
Nov 28, 2023
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[2.2] ZIL: Do not encrypt block pointers in lr_clone_range_t #15596

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13 changes: 13 additions & 0 deletions module/os/freebsd/zfs/zio_crypt.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1364,6 +1364,19 @@ zio_crypt_init_uios_zil(boolean_t encrypt, uint8_t *plainbuf,
vec++;
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);
dst_iovecs[vec].iov_base = (char *)dlrp + sizeof (lr_t);
dst_iovecs[vec].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;
vec++;
total_len += crypt_len;
} else {
crypt_len = lr_len - sizeof (lr_t);
dst_iovecs[vec].iov_base = (char *)dlrp +
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15 changes: 15 additions & 0 deletions module/os/linux/zfs/zio_crypt.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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);
Expand Down