https://github.com/torvalds/linux
- HEAD
- refs/heads/arm64-uaccess
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/certifi-2024.7.4
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/idna-3.7
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/requests-2.32.2
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/setuptools-70.0.0
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/urllib3-2.2.2
- refs/heads/master
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Tip revision: 41bccc98fb7931d63d03f326a746ac4d429c1dd3 authored by Linus Torvalds on 29 January 2024, 01:01:12 UTC
Linux 6.8-rc2
Linux 6.8-rc2
Tip revision: 41bccc9
badty.cocci
// SPDX-License-Identifier: GPL-2.0-only
/// Correct the size argument to alloc functions
///
//# This makes an effort to find cases where the argument to sizeof is wrong
//# in memory allocation functions by checking the type of the allocated memory
//# when it is a double pointer and ensuring the sizeof argument takes a pointer
//# to the the memory being allocated. There are false positives in cases the
//# sizeof argument is not used in constructing the return value. The result
//# may need some reformatting.
//
// Confidence: Moderate
// Copyright: (C) 2014 Himangi Saraogi.
// Comments:
// Options:
virtual patch
virtual context
virtual org
virtual report
//----------------------------------------------------------
// For context mode
//----------------------------------------------------------
@depends on context disable sizeof_type_expr@
type T;
T **x;
@@
x =
<+...sizeof(
* T
)...+>
//----------------------------------------------------------
// For patch mode
//----------------------------------------------------------
@depends on patch disable sizeof_type_expr@
type T;
T **x;
@@
x =
<+...sizeof(
- T
+ *x
)...+>
//----------------------------------------------------------
// For org and report mode
//----------------------------------------------------------
@r depends on (org || report) disable sizeof_type_expr@
type T;
T **x;
position p;
@@
x =
<+...sizeof(
T@p
)...+>
@script:python depends on org@
p << r.p;
@@
coccilib.org.print_todo(p[0], "WARNING sizeof argument should be pointer type, not structure type")
@script:python depends on report@
p << r.p;
@@
msg="WARNING: Use correct pointer type argument for sizeof"
coccilib.report.print_report(p[0], msg)