diff options
| -rw-r--r-- | Misc/NEWS.d/next/Core and Builtins/2022-06-28-12-41-17.gh-issue-88116.A7fEl_.rst | 2 | ||||
| -rw-r--r-- | Objects/codeobject.c | 16 |
2 files changed, 10 insertions, 8 deletions
diff --git a/Misc/NEWS.d/next/Core and Builtins/2022-06-28-12-41-17.gh-issue-88116.A7fEl_.rst b/Misc/NEWS.d/next/Core and Builtins/2022-06-28-12-41-17.gh-issue-88116.A7fEl_.rst new file mode 100644 index 0000000..a8347cf --- /dev/null +++ b/Misc/NEWS.d/next/Core and Builtins/2022-06-28-12-41-17.gh-issue-88116.A7fEl_.rst @@ -0,0 +1,2 @@ +Fix an issue when reading line numbers from code objects if the encoded line +numbers are close to ``INT_MIN``. Patch by Pablo Galindo diff --git a/Objects/codeobject.c b/Objects/codeobject.c index c38c51b..6f2a837 100644 --- a/Objects/codeobject.c +++ b/Objects/codeobject.c @@ -354,9 +354,9 @@ init_code(PyCodeObject *co, struct _PyCodeConstructor *con) static int scan_varint(const uint8_t *ptr) { - int read = *ptr++; - int val = read & 63; - int shift = 0; + unsigned int read = *ptr++; + unsigned int val = read & 63; + unsigned int shift = 0; while (read & 64) { read = *ptr++; shift += 6; @@ -368,7 +368,7 @@ scan_varint(const uint8_t *ptr) static int scan_signed_varint(const uint8_t *ptr) { - int uval = scan_varint(ptr); + unsigned int uval = scan_varint(ptr); if (uval & 1) { return -(int)(uval >> 1); } @@ -847,9 +847,9 @@ read_byte(PyCodeAddressRange *bounds) static int read_varint(PyCodeAddressRange *bounds) { - int read = read_byte(bounds); - int val = read & 63; - int shift = 0; + unsigned int read = read_byte(bounds); + unsigned int val = read & 63; + unsigned int shift = 0; while (read & 64) { read = read_byte(bounds); shift += 6; @@ -861,7 +861,7 @@ read_varint(PyCodeAddressRange *bounds) static int read_signed_varint(PyCodeAddressRange *bounds) { - int uval = read_varint(bounds); + unsigned int uval = read_varint(bounds); if (uval & 1) { return -(int)(uval >> 1); } |