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Fix a double-free bug #2112

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Merged
leofang merged 3 commits into from
May 20, 2026
Merged

Fix a double-free bug #2112

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0c42e23
Fix a double-free bug
mdboom May 19, 2026
42d6f8e
Also fix the externally-managed-memory case
mdboom May 19, 2026
ac8678a
Try to get tests to pass using cwd
mdboom May 19, 2026
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36 changes: 36 additions & 0 deletions cuda_bindings/cuda/bindings/driver.pyx.in
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Original file line number Diff line number Diff line change
Expand Up @@ -11081,6 +11081,7 @@ cdef class CUDA_BATCH_MEM_OP_NODE_PARAMS_v1_st:
{{if 'CUDA_BATCH_MEM_OP_NODE_PARAMS_v1_st.paramArray' in found_struct}}
if self._paramArray is not NULL:
free(self._paramArray)
self._pvt_ptr[0].paramArray = NULL
{{endif}}
def getPtr(self):
return <void_ptr>self._pvt_ptr
Expand Down Expand Up @@ -11148,6 +11149,7 @@ cdef class CUDA_BATCH_MEM_OP_NODE_PARAMS_v1_st:
def paramArray(self, val):
if len(val) == 0:
free(self._paramArray)
self._paramArray = NULL
self._paramArray_length = 0
self._pvt_ptr[0].paramArray = NULL
else:
Expand Down Expand Up @@ -11216,6 +11218,7 @@ cdef class CUDA_BATCH_MEM_OP_NODE_PARAMS_v2_st:
{{if 'CUDA_BATCH_MEM_OP_NODE_PARAMS_v2_st.paramArray' in found_struct}}
if self._paramArray is not NULL:
free(self._paramArray)
self._pvt_ptr[0].paramArray = NULL
{{endif}}
def getPtr(self):
return <void_ptr>self._pvt_ptr
Expand Down Expand Up @@ -11283,6 +11286,7 @@ cdef class CUDA_BATCH_MEM_OP_NODE_PARAMS_v2_st:
def paramArray(self, val):
if len(val) == 0:
free(self._paramArray)
self._paramArray = NULL
self._paramArray_length = 0
self._pvt_ptr[0].paramArray = NULL
else:
Expand Down Expand Up @@ -14623,6 +14627,7 @@ cdef class CUlaunchConfig_st:
{{if 'CUlaunchConfig_st.attrs' in found_struct}}
if self._attrs is not NULL:
free(self._attrs)
self._pvt_ptr[0].attrs = NULL
{{endif}}
def getPtr(self):
return <void_ptr>self._pvt_ptr
Expand Down Expand Up @@ -14774,6 +14779,7 @@ cdef class CUlaunchConfig_st:
def attrs(self, val):
if len(val) == 0:
free(self._attrs)
self._attrs = NULL
self._attrs_length = 0
self._pvt_ptr[0].attrs = NULL
else:
Expand Down Expand Up @@ -15084,10 +15090,12 @@ cdef class CUctxCreateParams_st:
{{if 'CUctxCreateParams_st.execAffinityParams' in found_struct}}
if self._execAffinityParams is not NULL:
free(self._execAffinityParams)
self._pvt_ptr[0].execAffinityParams = NULL
{{endif}}
{{if 'CUctxCreateParams_st.cigParams' in found_struct}}
if self._cigParams is not NULL:
free(self._cigParams)
self._pvt_ptr[0].cigParams = NULL
{{endif}}
def getPtr(self):
return <void_ptr>self._pvt_ptr
Expand Down Expand Up @@ -15124,6 +15132,7 @@ cdef class CUctxCreateParams_st:
def execAffinityParams(self, val):
if len(val) == 0:
free(self._execAffinityParams)
self._execAffinityParams = NULL
self._execAffinityParams_length = 0
self._pvt_ptr[0].execAffinityParams = NULL
else:
Expand Down Expand Up @@ -15155,6 +15164,7 @@ cdef class CUctxCreateParams_st:
def cigParams(self, val):
if len(val) == 0:
free(self._cigParams)
self._cigParams = NULL
self._cigParams_length = 0
self._pvt_ptr[0].cigParams = NULL
else:
Expand Down Expand Up @@ -15272,6 +15282,7 @@ cdef class CUstreamCigCaptureParams_st:
{{if 'CUstreamCigCaptureParams_st.streamCigParams' in found_struct}}
if self._streamCigParams is not NULL:
free(self._streamCigParams)
self._pvt_ptr[0].streamCigParams = NULL
{{endif}}
def getPtr(self):
return <void_ptr>self._pvt_ptr
Expand All @@ -15296,6 +15307,7 @@ cdef class CUstreamCigCaptureParams_st:
def streamCigParams(self, val):
if len(val) == 0:
free(self._streamCigParams)
self._streamCigParams = NULL
self._streamCigParams_length = 0
self._pvt_ptr[0].streamCigParams = NULL
else:
Expand Down Expand Up @@ -20485,10 +20497,12 @@ cdef class CUDA_EXT_SEM_SIGNAL_NODE_PARAMS_st:
{{if 'CUDA_EXT_SEM_SIGNAL_NODE_PARAMS_st.extSemArray' in found_struct}}
if self._extSemArray is not NULL:
free(self._extSemArray)
self._pvt_ptr[0].extSemArray = NULL
{{endif}}
{{if 'CUDA_EXT_SEM_SIGNAL_NODE_PARAMS_st.paramsArray' in found_struct}}
if self._paramsArray is not NULL:
free(self._paramsArray)
self._pvt_ptr[0].paramsArray = NULL
{{endif}}
def getPtr(self):
return <void_ptr>self._pvt_ptr
Expand Down Expand Up @@ -20525,6 +20539,7 @@ cdef class CUDA_EXT_SEM_SIGNAL_NODE_PARAMS_st:
def extSemArray(self, val):
if len(val) == 0:
free(self._extSemArray)
self._extSemArray = NULL
self._extSemArray_length = 0
self._pvt_ptr[0].extSemArray = NULL
else:
Expand All @@ -20548,6 +20563,7 @@ cdef class CUDA_EXT_SEM_SIGNAL_NODE_PARAMS_st:
def paramsArray(self, val):
if len(val) == 0:
free(self._paramsArray)
self._paramsArray = NULL
self._paramsArray_length = 0
self._pvt_ptr[0].paramsArray = NULL
else:
Expand Down Expand Up @@ -20610,10 +20626,12 @@ cdef class CUDA_EXT_SEM_SIGNAL_NODE_PARAMS_v2_st:
{{if 'CUDA_EXT_SEM_SIGNAL_NODE_PARAMS_v2_st.extSemArray' in found_struct}}
if self._extSemArray is not NULL:
free(self._extSemArray)
self._pvt_ptr[0].extSemArray = NULL
{{endif}}
{{if 'CUDA_EXT_SEM_SIGNAL_NODE_PARAMS_v2_st.paramsArray' in found_struct}}
if self._paramsArray is not NULL:
free(self._paramsArray)
self._pvt_ptr[0].paramsArray = NULL
{{endif}}
def getPtr(self):
return <void_ptr>self._pvt_ptr
Expand Down Expand Up @@ -20650,6 +20668,7 @@ cdef class CUDA_EXT_SEM_SIGNAL_NODE_PARAMS_v2_st:
def extSemArray(self, val):
if len(val) == 0:
free(self._extSemArray)
self._extSemArray = NULL
self._extSemArray_length = 0
self._pvt_ptr[0].extSemArray = NULL
else:
Expand All @@ -20673,6 +20692,7 @@ cdef class CUDA_EXT_SEM_SIGNAL_NODE_PARAMS_v2_st:
def paramsArray(self, val):
if len(val) == 0:
free(self._paramsArray)
self._paramsArray = NULL
self._paramsArray_length = 0
self._pvt_ptr[0].paramsArray = NULL
else:
Expand Down Expand Up @@ -20735,10 +20755,12 @@ cdef class CUDA_EXT_SEM_WAIT_NODE_PARAMS_st:
{{if 'CUDA_EXT_SEM_WAIT_NODE_PARAMS_st.extSemArray' in found_struct}}
if self._extSemArray is not NULL:
free(self._extSemArray)
self._pvt_ptr[0].extSemArray = NULL
{{endif}}
{{if 'CUDA_EXT_SEM_WAIT_NODE_PARAMS_st.paramsArray' in found_struct}}
if self._paramsArray is not NULL:
free(self._paramsArray)
self._pvt_ptr[0].paramsArray = NULL
{{endif}}
def getPtr(self):
return <void_ptr>self._pvt_ptr
Expand Down Expand Up @@ -20775,6 +20797,7 @@ cdef class CUDA_EXT_SEM_WAIT_NODE_PARAMS_st:
def extSemArray(self, val):
if len(val) == 0:
free(self._extSemArray)
self._extSemArray = NULL
self._extSemArray_length = 0
self._pvt_ptr[0].extSemArray = NULL
else:
Expand All @@ -20798,6 +20821,7 @@ cdef class CUDA_EXT_SEM_WAIT_NODE_PARAMS_st:
def paramsArray(self, val):
if len(val) == 0:
free(self._paramsArray)
self._paramsArray = NULL
self._paramsArray_length = 0
self._pvt_ptr[0].paramsArray = NULL
else:
Expand Down Expand Up @@ -20860,10 +20884,12 @@ cdef class CUDA_EXT_SEM_WAIT_NODE_PARAMS_v2_st:
{{if 'CUDA_EXT_SEM_WAIT_NODE_PARAMS_v2_st.extSemArray' in found_struct}}
if self._extSemArray is not NULL:
free(self._extSemArray)
self._pvt_ptr[0].extSemArray = NULL
{{endif}}
{{if 'CUDA_EXT_SEM_WAIT_NODE_PARAMS_v2_st.paramsArray' in found_struct}}
if self._paramsArray is not NULL:
free(self._paramsArray)
self._pvt_ptr[0].paramsArray = NULL
{{endif}}
def getPtr(self):
return <void_ptr>self._pvt_ptr
Expand Down Expand Up @@ -20900,6 +20926,7 @@ cdef class CUDA_EXT_SEM_WAIT_NODE_PARAMS_v2_st:
def extSemArray(self, val):
if len(val) == 0:
free(self._extSemArray)
self._extSemArray = NULL
self._extSemArray_length = 0
self._pvt_ptr[0].extSemArray = NULL
else:
Expand All @@ -20923,6 +20950,7 @@ cdef class CUDA_EXT_SEM_WAIT_NODE_PARAMS_v2_st:
def paramsArray(self, val):
if len(val) == 0:
free(self._paramsArray)
self._paramsArray = NULL
self._paramsArray_length = 0
self._pvt_ptr[0].paramsArray = NULL
else:
Expand Down Expand Up @@ -23290,6 +23318,7 @@ cdef class CUDA_MEM_ALLOC_NODE_PARAMS_v1_st:
{{if 'CUDA_MEM_ALLOC_NODE_PARAMS_v1_st.accessDescs' in found_struct}}
if self._accessDescs is not NULL:
free(self._accessDescs)
self._pvt_ptr[0].accessDescs = NULL
{{endif}}
def getPtr(self):
return <void_ptr>self._pvt_ptr
Expand Down Expand Up @@ -23346,6 +23375,7 @@ cdef class CUDA_MEM_ALLOC_NODE_PARAMS_v1_st:
def accessDescs(self, val):
if len(val) == 0:
free(self._accessDescs)
self._accessDescs = NULL
self._accessDescs_length = 0
self._pvt_ptr[0].accessDescs = NULL
else:
Expand Down Expand Up @@ -23451,6 +23481,7 @@ cdef class CUDA_MEM_ALLOC_NODE_PARAMS_v2_st:
{{if 'CUDA_MEM_ALLOC_NODE_PARAMS_v2_st.accessDescs' in found_struct}}
if self._accessDescs is not NULL:
free(self._accessDescs)
self._pvt_ptr[0].accessDescs = NULL
{{endif}}
def getPtr(self):
return <void_ptr>self._pvt_ptr
Expand Down Expand Up @@ -23507,6 +23538,7 @@ cdef class CUDA_MEM_ALLOC_NODE_PARAMS_v2_st:
def accessDescs(self, val):
if len(val) == 0:
free(self._accessDescs)
self._accessDescs = NULL
self._accessDescs_length = 0
self._pvt_ptr[0].accessDescs = NULL
else:
Expand Down Expand Up @@ -24465,6 +24497,7 @@ cdef class CUcheckpointRestoreArgs_st:
{{if 'CUcheckpointRestoreArgs_st.gpuPairs' in found_struct}}
if self._gpuPairs is not NULL:
free(self._gpuPairs)
self._pvt_ptr[0].gpuPairs = NULL
{{endif}}
def getPtr(self):
return <void_ptr>self._pvt_ptr
Expand Down Expand Up @@ -24507,6 +24540,7 @@ cdef class CUcheckpointRestoreArgs_st:
def gpuPairs(self, val):
if len(val) == 0:
free(self._gpuPairs)
self._gpuPairs = NULL
self._gpuPairs_length = 0
self._pvt_ptr[0].gpuPairs = NULL
else:
Expand Down Expand Up @@ -25231,6 +25265,7 @@ cdef class CUdevResource_st:
{{if 'CUdevResource_st.nextResource' in found_struct}}
if self._nextResource is not NULL:
free(self._nextResource)
self._pvt_ptr[0].nextResource = NULL
{{endif}}
def getPtr(self):
return <void_ptr>self._pvt_ptr
Expand Down Expand Up @@ -25345,6 +25380,7 @@ cdef class CUdevResource_st:
def nextResource(self, val):
if len(val) == 0:
free(self._nextResource)
self._nextResource = NULL
self._nextResource_length = 0
self._pvt_ptr[0].nextResource = NULL
else:
Expand Down
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