FM / api

/usr/src/linux-headers-5.15.0-181/scripts/coccinelle/api/

/usr/src/linux-headers-5.15.0-181/scripts/coccinelle/api

Name	Size	Mode	Actions
alloc/	-	0755	rm
debugfs/	-	0755	rm
atomic_as_refcounter.cocci	2272	0644	edit dl rm
check_bq27xxx_data.cocci	3538	0644	edit dl rm
device_attr_show.cocci	1104	0644	edit dl rm
d_find_alias.cocci	1309	0644	edit dl rm
err_cast.cocci	1114	0644	edit dl rm
kfree_mismatch.cocci	5691	0644	edit dl rm
kfree_sensitive.cocci	1951	0644	edit dl rm
kstrdup.cocci	2478	0644	edit dl rm
kvmalloc.cocci	6287	0644	edit dl rm
memdup.cocci	1367	0644	edit dl rm
memdup_user.cocci	2645	0644	edit dl rm
platform_get_irq.cocci	1248	0644	edit dl rm
platform_no_drv_owner.cocci	3902	0644	edit dl rm
pm_runtime.cocci	2428	0644	edit dl rm
resource_size.cocci	2132	0644	edit dl rm
simple_open.cocci	1244	0644	edit dl rm
stream_open.cocci	7880	0644	edit dl rm
vma_pages.cocci	1519	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-181/scripts/coccinelle/api/memdup.cocci (1367B)

virtual patch
virtual context
virtual org
virtual report

@r1@
expression from,to;
expression flag;
position p;
@@

to = \(kmalloc@p\|kzalloc@p\)(strlen(from) + 1,flag);

@r2@
expression x,from,to;
expression flag,E1;
position p;
@@

x = strlen(from) + 1;
    ... when != \( x = E1 \| from = E1 \)
    to = \(kmalloc@p\|kzalloc@p\)(x,flag);

@depends on patch@
expression from,to,size,flag;
position p != {r1.p,r2.p};
statement S;
@@

-  to = \(kmalloc@p\|kzalloc@p\)(size,flag);
+  to = kmemdup(from,size,flag);
   if (to==NULL || ...) S
-  memcpy(to, from, size);

@r depends on !patch@
expression from,to,size,flag;
position p != {r1.p,r2.p};
statement S;
@@

*  to = \(kmalloc@p\|kzalloc@p\)(size,flag);
   if (to==NULL || ...) S
*  memcpy(to, from, size);

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

coccilib.org.print_todo(p[0], "WARNING opportunity for kmemdup")

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

coccilib.report.print_report(p[0], "WARNING opportunity for kmemdup")

// SPDX-License-Identifier: GPL-2.0-only /// Use kmemdup rather than duplicating its implementation /// // Confidence: High // Copyright: (C) 2010-2012 Nicolas Palix. // Copyright: (C) 2010-2012 Julia Lawall, INRIA/LIP6. // Copyright: (C) 2010-2012 Gilles Muller, INRIA/LiP6. // URL: http://coccinelle.lip6.fr/ // Comments: // Options: --no-includes --include-headers virtual patch virtual context virtual org virtual report @r1@ expression from,to; expression flag; position p; @@ to = \(kmalloc@p\|kzalloc@p\)(strlen(from) + 1,flag); @r2@ expression x,from,to; expression flag,E1; position p; @@ x = strlen(from) + 1; ... when != \( x = E1 \| from = E1 \) to = \(kmalloc@p\|kzalloc@p\)(x,flag); @depends on patch@ expression from,to,size,flag; position p != {r1.p,r2.p}; statement S; @@ - to = \(kmalloc@p\|kzalloc@p\)(size,flag); + to = kmemdup(from,size,flag); if (to==NULL || ...) S - memcpy(to, from, size); @r depends on !patch@ expression from,to,size,flag; position p != {r1.p,r2.p}; statement S; @@ * to = \(kmalloc@p\|kzalloc@p\)(size,flag); if (to==NULL || ...) S * memcpy(to, from, size); @script:python depends on org@ p << r.p; @@ coccilib.org.print_todo(p[0], "WARNING opportunity for kmemdup") @script:python depends on report@ p << r.p; @@ coccilib.report.print_report(p[0], "WARNING opportunity for kmemdup")