diff options
Diffstat (limited to 'sys/contrib/openzfs/module/os/linux/zfs')
| -rw-r--r-- | sys/contrib/openzfs/module/os/linux/zfs/zio_crypt.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/sys/contrib/openzfs/module/os/linux/zfs/zio_crypt.c b/sys/contrib/openzfs/module/os/linux/zfs/zio_crypt.c index 55f807ccfc13..21f3740f6fe6 100644 --- a/sys/contrib/openzfs/module/os/linux/zfs/zio_crypt.c +++ b/sys/contrib/openzfs/module/os/linux/zfs/zio_crypt.c @@ -1405,7 +1405,7 @@ zio_crypt_init_uios_zil(boolean_t encrypt, uint8_t *plainbuf, boolean_t *no_crypt) { int ret; - uint64_t txtype, lr_len; + uint64_t txtype, lr_len, nused; uint_t nr_src, nr_dst, crypt_len; uint_t aad_len = 0, nr_iovecs = 0, total_len = 0; iovec_t *src_iovecs = NULL, *dst_iovecs = NULL; @@ -1432,7 +1432,10 @@ zio_crypt_init_uios_zil(boolean_t encrypt, uint8_t *plainbuf, zilc = (zil_chain_t *)src; slrp = src + sizeof (zil_chain_t); aadp = aadbuf; - blkend = src + ((byteswap) ? BSWAP_64(zilc->zc_nused) : zilc->zc_nused); + nused = ((byteswap) ? BSWAP_64(zilc->zc_nused) : zilc->zc_nused); + ASSERT3U(nused, >=, sizeof (zil_chain_t)); + ASSERT3U(nused, <=, datalen); + blkend = src + nused; /* calculate the number of encrypted iovecs we will need */ for (; slrp < blkend; slrp += lr_len) { @@ -1445,6 +1448,8 @@ zio_crypt_init_uios_zil(boolean_t encrypt, uint8_t *plainbuf, txtype = BSWAP_64(lr->lrc_txtype); lr_len = BSWAP_64(lr->lrc_reclen); } + ASSERT3U(lr_len, >=, sizeof (lr_t)); + ASSERT3U(lr_len, <=, blkend - slrp); nr_iovecs++; if (txtype == TX_WRITE && lr_len != sizeof (lr_write_t)) |