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Based on 1 normalized pattern(s): gplv2 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 58 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081207.556988620@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
152 lines
3.9 KiB
Plaintext
152 lines
3.9 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0-only
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/// If list_for_each_entry, etc complete a traversal of the list, the iterator
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/// variable ends up pointing to an address at an offset from the list head,
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/// and not a meaningful structure. Thus this value should not be used after
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/// the end of the iterator.
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//#False positives arise when there is a goto in the iterator and the
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//#reported reference is at the label of this goto. Some flag tests
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//#may also cause a report to be a false positive.
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///
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// Confidence: Moderate
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// Copyright: (C) 2012 Julia Lawall, INRIA/LIP6.
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// Copyright: (C) 2012 Gilles Muller, INRIA/LIP6.
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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 context
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virtual org
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virtual report
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@r exists@
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identifier c,member;
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expression E,x;
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iterator name list_for_each_entry;
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iterator name list_for_each_entry_reverse;
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iterator name list_for_each_entry_continue;
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iterator name list_for_each_entry_continue_reverse;
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iterator name list_for_each_entry_from;
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iterator name list_for_each_entry_safe;
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iterator name list_for_each_entry_safe_continue;
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iterator name list_for_each_entry_safe_from;
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iterator name list_for_each_entry_safe_reverse;
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iterator name hlist_for_each_entry;
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iterator name hlist_for_each_entry_continue;
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iterator name hlist_for_each_entry_from;
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iterator name hlist_for_each_entry_safe;
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statement S;
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position p1,p2;
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type T;
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@@
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(
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list_for_each_entry@p1(c,...,member) { ... when != break;
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when forall
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when strict
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}
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list_for_each_entry_reverse@p1(c,...,member) { ... when != break;
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when forall
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when strict
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}
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list_for_each_entry_continue@p1(c,...,member) { ... when != break;
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when forall
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when strict
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}
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list_for_each_entry_continue_reverse@p1(c,...,member) { ... when != break;
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when forall
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when strict
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}
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list_for_each_entry_from@p1(c,...,member) { ... when != break;
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when forall
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when strict
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}
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list_for_each_entry_safe@p1(c,...,member) { ... when != break;
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when forall
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when strict
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}
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list_for_each_entry_safe_continue@p1(c,...,member) { ... when != break;
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when forall
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when strict
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}
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list_for_each_entry_safe_from@p1(c,...,member) { ... when != break;
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when forall
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when strict
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}
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list_for_each_entry_safe_reverse@p1(c,...,member) { ... when != break;
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when forall
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when strict
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}
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)
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...
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(
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list_for_each_entry(c,...) S
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list_for_each_entry_reverse(c,...) S
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list_for_each_entry_continue(c,...) S
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list_for_each_entry_continue_reverse(c,...) S
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list_for_each_entry_from(c,...) S
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list_for_each_entry_safe(c,...) S
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list_for_each_entry_safe(x,c,...) S
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list_for_each_entry_safe_continue(c,...) S
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list_for_each_entry_safe_continue(x,c,...) S
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list_for_each_entry_safe_from(c,...) S
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list_for_each_entry_safe_from(x,c,...) S
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list_for_each_entry_safe_reverse(c,...) S
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list_for_each_entry_safe_reverse(x,c,...) S
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hlist_for_each_entry(c,...) S
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hlist_for_each_entry_continue(c,...) S
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hlist_for_each_entry_from(c,...) S
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hlist_for_each_entry_safe(c,...) S
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list_remove_head(x,c,...)
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sizeof(<+...c...+>)
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&c->member
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T c;
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c = E
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*c@p2
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)
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@script:python depends on org@
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p1 << r.p1;
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p2 << r.p2;
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@@
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cocci.print_main("invalid iterator index reference",p2)
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cocci.print_secs("iterator",p1)
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@script:python depends on report@
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p1 << r.p1;
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p2 << r.p2;
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@@
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msg = "ERROR: invalid reference to the index variable of the iterator on line %s" % (p1[0].line)
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coccilib.report.print_report(p2[0], msg)
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