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| author | Songyu Lu <songyulu@hdfgroup.org> | 2018-11-15 20:57:26 (GMT) |
|---|---|---|
| committer | Songyu Lu <songyulu@hdfgroup.org> | 2018-11-15 20:57:26 (GMT) |
| commit | c132cb5565de02fd4e1e2cfe8ea7b89b21f785ac (patch) | |
| tree | c76708ca8aed48d03dba4e9604083d9662f4f02c /src/H5Olayout.c | |
| parent | 1d89a55590d106ea4d242402d0cd57a9d1ce5252 (diff) | |
| download | hdf5-c132cb5565de02fd4e1e2cfe8ea7b89b21f785ac.zip hdf5-c132cb5565de02fd4e1e2cfe8ea7b89b21f785ac.tar.gz hdf5-c132cb5565de02fd4e1e2cfe8ea7b89b21f785ac.tar.bz2 | |
HDFFV-10571: Minor change - adding the error check right after decoding of chunk dimension for safeguard.
Diffstat (limited to 'src/H5Olayout.c')
| -rw-r--r-- | src/H5Olayout.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/H5Olayout.c b/src/H5Olayout.c index 5f16837..11d5d1c 100644 --- a/src/H5Olayout.c +++ b/src/H5Olayout.c @@ -243,9 +243,14 @@ H5O__layout_decode(H5F_t *f, H5O_t H5_ATTR_UNUSED *open_oh, H5F_addr_decode(f, &p, &(mesg->storage.u.chunk.idx_addr)); /* Chunk dimensions */ - for(u = 0; u < mesg->u.chunk.ndims; u++) + for(u = 0; u < mesg->u.chunk.ndims; u++) { UINT32DECODE(p, mesg->u.chunk.dim[u]); + /* Just in case that something goes very wrong, such as file corruption. */ + if(mesg->u.chunk.dim[u] == 0) + HGOTO_ERROR(H5E_DATASET, H5E_BADVALUE, NULL, "chunk dimension must be positive: mesg->u.chunk.dim[%u] = %u", u, mesg->u.chunk.dim[u]) + } + /* Compute chunk size */ for(u = 1, mesg->u.chunk.size = mesg->u.chunk.dim[0]; u < mesg->u.chunk.ndims; u++) mesg->u.chunk.size *= mesg->u.chunk.dim[u]; |