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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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bf56cc04ef
Add new rules to detect the cases where sizeof is used in function calls as a argument. Also, for the patch mode third rule should behave same as second rule with arguments reversed. So, change that as well. Signed-off-by: Vaishali Thakkar <vaishali.thakkar@oracle.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.com>
82 lines
1.2 KiB
Plaintext
82 lines
1.2 KiB
Plaintext
/// sizeof when applied to a pointer typed expression gives the size of
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/// the pointer
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///
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// Confidence: High
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// Copyright: (C) 2012 Julia Lawall, INRIA/LIP6. GPLv2.
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// Copyright: (C) 2012 Gilles Muller, INRIA/LiP6. GPLv2.
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// URL: http://coccinelle.lip6.fr/
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// Comments:
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// Options: --no-includes --include-headers
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virtual org
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virtual report
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virtual context
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virtual patch
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@depends on patch@
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expression *x;
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expression f;
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expression i;
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type T;
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@@
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(
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x = <+... sizeof(
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- x
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+ *x
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) ...+>
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f(...,(T)(x),...,sizeof(
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- x
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+ *x
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),...)
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f(...,sizeof(
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- x
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+ *x
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),...,(T)(x),...)
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f(...,(T)(x),...,i*sizeof(
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- x
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+ *x
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),...)
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f(...,i*sizeof(
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- x
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+ *x
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),...,(T)(x),...)
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)
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@r depends on !patch@
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expression *x;
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expression f;
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expression i;
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position p;
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type T;
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@@
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(
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*x = <+... sizeof@p(x) ...+>
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*f(...,(T)(x),...,sizeof@p(x),...)
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*f(...,sizeof@p(x),...,(T)(x),...)
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*f(...,(T)(x),...,i*sizeof@p(x),...)
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*f(...,i*sizeof@p(x),...,(T)(x),...)
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)
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@script:python depends on org@
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p << r.p;
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@@
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cocci.print_main("application of sizeof to pointer",p)
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@script:python depends on report@
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p << r.p;
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@@
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msg = "ERROR: application of sizeof to pointer"
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coccilib.report.print_report(p[0],msg)
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