delta/cpython-git.git/Objects/bytesobject.c, branch fix-misc-acks

bpo-36946: Fix possible signed integer overflow when handling slices. (GH-13375)

2019-05-17T07:33:10+00:00

The final addition (cur += step) may overflow, so use size_t for "cur".
"cur" is always positive (even for negative steps), so it is safe to use
size_t here.

Co-Authored-By: Martin Panter 
(cherry picked from commit 14514d9084a40f599c57da853a305aa264562a43)

Co-authored-by: Zackery Spytz

[3.7] bpo-36254: Fix invalid uses of %d in format strings in C. (GH-12264). (GH-12322)

2019-03-14T08:47:27+00:00

(cherry picked from commit d53fe5f407ff4b529628b01a1bcbf21a6aad5c3a)

Co-authored-by: Serhiy Storchaka

bpo-35552: Fix reading past the end in PyUnicode_FromFormat() and PyBytes_FromFormat(). (GH-11276)

2019-01-12T08:52:55+00:00

Format characters "%s" and "%V" in PyUnicode_FromFormat() and "%s" in PyBytes_FromFormat()
no longer read memory past the limit if precision is specified.
(cherry picked from commit d586ccb04f79863c819b212ec5b9d873964078e4)

Co-authored-by: Serhiy Storchaka

bpo-33817: Fix _PyBytes_Resize() for empty bytes object. (GH-11516)

2019-01-12T07:40:09+00:00

Add also tests for PyUnicode_FromFormat() and PyBytes_FromFormat()
with empty result.
(cherry picked from commit 44cc4822bb3799858201e61294c5863f93ec12e2)

Co-authored-by: Serhiy Storchaka

bpo-34973: Fix crash in bytes constructor. (GH-9841)

2018-10-21T12:55:52+00:00

Constructing bytes from mutating list could cause a crash.
(cherry picked from commit 914f9a078f997e58cfcfabcbb30fafdd1f277bef)

Co-authored-by: Serhiy Storchaka

bpo-34974: Do not replace unexpected errors in bytes() and bytearray(). (GH-9852)

2018-10-14T21:26:28+00:00

bytes and bytearray constructors converted unexpected exceptions
(e.g. MemoryError and KeyboardInterrupt) to TypeError.
(cherry picked from commit e890421e334ccf0c000c6b29c4a521d86cd12f47)

Co-authored-by: Serhiy Storchaka

bpo-34879: Fix a possible null pointer dereference in bytesobject.c (GH-9683)

2018-10-03T06:33:42+00:00

formatfloat() was not checking if PyBytes_FromStringAndSize()
failed, which could lead to a null pointer dereference in
_PyBytes_FormatEx().
(cherry picked from commit 96c593279400693226d5a560c420ae0fcf1731b9)

Co-authored-by: Zackery Spytz

bpo-34436: Fix check that disables overallocation for the last fmt specifier (GH-8826)

2018-08-23T08:03:02+00:00

Reported by Svace static analyzer.
(cherry picked from commit ccd99752675042bd5f67d332c5b0ed85ba1f2da3)

Co-authored-by: Alexey Izbyshev

bpo-32677: Add .isascii() to str, bytes and bytearray (GH-5342)

2018-01-27T05:06:21+00:00

bpo-23699: Use a macro to reduce boilerplate code in rich comparison functions (GH-793)

2017-11-02T10:32:54+00:00