EXCEPTION_ACCESS_VIOLATION (0XC0000005) in module hdf5.dll at 00007FFD37C55809, H5FL_blk_malloc()+169 byte(s)

[sun2808]

Intermittent Exception while read and write

Below is the crash dump.

MODULE       FUNCTION + offset, FILE

---

hdf5.dll, H5FL_blk_malloc()+169 byte(s)
hdf5.dll, H5FL_blk_realloc()+85 byte(s)
hdf5.dll, H5T__conv_vlen()+1827 byte(s)
hdf5.dll, H5T_convert()+245 byte(s)
hdf5.dll, H5D__scatgath_write()+968 byte(s)
hdf5.dll, H5D__contig_write()+40 byte(s)
hdf5.dll, H5D__write()+1487 byte(s)
hdf5.dll, H5D__pre_write()+769 byte(s)
hdf5.dll, H5Dwrite()+1063 byte(s)
hdf5_cpp.dll, H5::DataSet::write()+133 byte(s)

Expected behavior
No Exception is expected.

Platform (please complete the following information)

• HDF5 library version 1.10.1
• Windows 10
• MS Build

Please let me know what is going wrong. While this exception occurs, the application has more than enough memory for it to use.

[sun2808]

Read exception call stack is here.

MODULE       FUNCTION + offset, FILE

---

hdf5.dll, H5FL_blk_malloc()+169 byte(s)
hdf5.dll, H5FL_blk_realloc()+85 byte(s)
hdf5.dll, H5T__conv_vlen()+1827 byte(s)
hdf5.dll, H5T_convert()+245 byte(s)
hdf5.dll, H5D__scatgath_read()+946 byte(s)
hdf5.dll, H5D__contig_read()+40 byte(s)
hdf5.dll, H5D__read()+1433 byte(s)
hdf5.dll, H5Dread()+658 byte(s)
hdf5_cpp.dll, H5::DataSet::read()+133 byte(s)

[bmribler]

Hi @sun2808,
Please see the HELP issue you filed.