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Nama	Ukuran	Aksi
clk_put.cocci	1.25 MB	View DL Edit
devm_free.cocci	2.5 MB	View DL Edit
ifnullfree.cocci	1.29 MB	View DL Edit
iounmap.cocci	1.25 MB	View DL Edit
kfree.cocci	1.81 MB	View DL Edit
kfreeaddr.cocci	625 B	View DL Edit
pci_free_consistent.cocci	1.26 MB	View DL Edit
put_device.cocci	1.3 MB	View DL Edit

Edit file: /usr/src/kernels/5.14.0-611.34.1.el9_7.x86_64/scripts/coccinelle/free/devm_free.cocci

// SPDX-License-Identifier: GPL-2.0-only
/// Find uses of standard freeing functons on values allocated using devm_
/// functions.  Values allocated using the devm_functions are freed when
/// the device is detached, and thus the use of the standard freeing
/// function would cause a double free.
/// See Documentation/driver-api/driver-model/devres.rst for more information.
///
/// A difficulty of detecting this problem is that the standard freeing
/// function might be called from a different function than the one
/// containing the allocation function.  It is thus necessary to make the
/// connection between the allocation function and the freeing function.
/// Here this is done using the specific argument text, which is prone to
/// false positives.  There is no rule for the request_region and
/// request_mem_region variants because this heuristic seems to be a bit
/// less reliable in these cases.
///
// Confidence: Moderate
// Copyright: (C) 2011 Julia Lawall, INRIA/LIP6.
// Copyright: (C) 2011 Gilles Muller, INRIA/LiP6.
// URL: http://coccinelle.lip6.fr/
// Comments:
// Options: --no-includes --include-headers

virtual org
virtual report
virtual context

@r depends on context || org || report@
expression x;
@@

@safe depends on context || org || report exists@
expression x;
position p;
@@

@pb@
expression r.x;
position p != safe.p;
@@

@script:python depends on org@
p << pb.p;
@@

msg="WARNING: invalid free of devm_ allocated data"
coccilib.org.print_todo(p[0], msg)

@script:python depends on report@
p << pb.p;
@@

msg="WARNING: invalid free of devm_ allocated data"
coccilib.report.print_report(p[0], msg)

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