summaryrefslogtreecommitdiffstats
path: root/src/H5FDint.c
diff options
context:
space:
mode:
authorMohamad Chaarawi <chaarawi@hdfgroup.org>2015-01-22 18:14:05 (GMT)
committerMohamad Chaarawi <chaarawi@hdfgroup.org>2015-01-22 18:14:05 (GMT)
commit643b662d87cc7771b624a1c520d4775fdf225dec (patch)
tree713b7d9cad96d7fa1cc7d6b76a8dd10014934ee1 /src/H5FDint.c
parent65bc4bb9804471fe920bf25608ecea71b5b2d078 (diff)
downloadhdf5-643b662d87cc7771b624a1c520d4775fdf225dec.zip
hdf5-643b662d87cc7771b624a1c520d4775fdf225dec.tar.gz
hdf5-643b662d87cc7771b624a1c520d4775fdf225dec.tar.bz2
[svn-r26003] merge 26002 from trunk:
move checks on reading/writing beyond file eoa outside of the file drivers and into a centralized place in H5FD_read/write. tested with h5commitest
Diffstat (limited to 'src/H5FDint.c')
-rw-r--r--src/H5FDint.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/H5FDint.c b/src/H5FDint.c
index 9f02a25..cf40a77 100644
--- a/src/H5FDint.c
+++ b/src/H5FDint.c
@@ -183,6 +183,7 @@ herr_t
H5FD_read(H5FD_t *file, const H5P_genplist_t *dxpl, H5FD_mem_t type, haddr_t addr,
size_t size, void *buf/*out*/)
{
+ haddr_t eoa = HADDR_UNDEF;
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI(FAIL)
@@ -199,6 +200,12 @@ H5FD_read(H5FD_t *file, const H5P_genplist_t *dxpl, H5FD_mem_t type, haddr_t add
HGOTO_DONE(SUCCEED)
#endif /* H5_HAVE_PARALLEL */
+ if(HADDR_UNDEF == (eoa = (file->cls->get_eoa)(file, type)))
+ HGOTO_ERROR(H5E_VFL, H5E_CANTINIT, HADDR_UNDEF, "driver get_eoa request failed")
+ if((addr + file->base_addr + size) > eoa)
+ HGOTO_ERROR(H5E_ARGS, H5E_OVERFLOW, FAIL, "addr overflow, addr = %llu, size=%zu, eoa=%llu",
+ (unsigned long long)(addr+ file->base_addr), size, (unsigned long long)eoa)
+
/* Dispatch to driver */
if((file->cls->read)(file, type, H5P_PLIST_ID(dxpl), addr + file->base_addr, size, buf) < 0)
HGOTO_ERROR(H5E_VFL, H5E_READERROR, FAIL, "driver read request failed")
@@ -225,6 +232,7 @@ herr_t
H5FD_write(H5FD_t *file, const H5P_genplist_t *dxpl, H5FD_mem_t type, haddr_t addr,
size_t size, const void *buf)
{
+ haddr_t eoa = HADDR_UNDEF;
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI(FAIL)
@@ -241,6 +249,12 @@ H5FD_write(H5FD_t *file, const H5P_genplist_t *dxpl, H5FD_mem_t type, haddr_t ad
HGOTO_DONE(SUCCEED)
#endif /* H5_HAVE_PARALLEL */
+ if(HADDR_UNDEF == (eoa = (file->cls->get_eoa)(file, type)))
+ HGOTO_ERROR(H5E_VFL, H5E_CANTINIT, HADDR_UNDEF, "driver get_eoa request failed")
+ if((addr + file->base_addr + size) > eoa)
+ HGOTO_ERROR(H5E_ARGS, H5E_OVERFLOW, FAIL, "addr overflow, addr = %llu, size=%zu, eoa=%llu",
+ (unsigned long long)(addr+ file->base_addr), size, (unsigned long long)eoa)
+
/* Dispatch to driver */
if((file->cls->write)(file, type, H5P_PLIST_ID(dxpl), addr + file->base_addr, size, buf) < 0)
HGOTO_ERROR(H5E_VFL, H5E_WRITEERROR, FAIL, "driver write request failed")