[linux-stable-rc:linux-3.10.y 4/144] scripts/asn1_compiler.c:1341:3: warning: enumeration value 'NOT_COMPOUND' not handled in switch

[linux-stable-rc:linux-3.10.y 4/144] scripts/asn1_compiler.c:1341:3: warning: enumeration value 'NOT_COMPOUND' not handled in switch

[kbuild test robot]

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Hi,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-3.10.y
head:   ca1199fccf14540e86f6da955333e31d6fec5f3e
commit: a4a4f1cd733fe5b345db4e8cc19bb8868d562a8a [4/144] compiler-gcc: integrate the various compiler-gcc[345].h files
config: x86_64-randconfig-x014-201625 (attached as .config)
compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430
reproduce:
        git checkout a4a4f1cd733fe5b345db4e8cc19bb8868d562a8a
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

   scripts/asn1_compiler.c: In function 'render_out_of_line_list':
>> scripts/asn1_compiler.c:1341:3: warning: enumeration value 'NOT_COMPOUND' not handled in switch [-Wswitch]
      switch (e->compound) {
      ^~~~~~
>> scripts/asn1_compiler.c:1341:3: warning: enumeration value 'CHOICE' not handled in switch [-Wswitch]
>> scripts/asn1_compiler.c:1341:3: warning: enumeration value 'ANY' not handled in switch [-Wswitch]
>> scripts/asn1_compiler.c:1341:3: warning: enumeration value 'TYPE_REF' not handled in switch [-Wswitch]
>> scripts/asn1_compiler.c:1341:3: warning: enumeration value 'TAG_OVERRIDE' not handled in switch [-Wswitch]

vim +/NOT_COMPOUND +1341 scripts/asn1_compiler.c

4520c6a4 David Howells 2012-09-21  1325  	const char *act;
4520c6a4 David Howells 2012-09-21  1326  	int entry;
4520c6a4 David Howells 2012-09-21  1327  
4520c6a4 David Howells 2012-09-21  1328  	while ((e = render_list)) {
4520c6a4 David Howells 2012-09-21  1329  		render_list = e->render_next;
4520c6a4 David Howells 2012-09-21  1330  		if (!render_list)
4520c6a4 David Howells 2012-09-21  1331  			render_list_p = &render_list;
4520c6a4 David Howells 2012-09-21  1332  
4520c6a4 David Howells 2012-09-21  1333  		render_more(out, "\n");
4520c6a4 David Howells 2012-09-21  1334  		e->entry_index = entry = nr_entries;
4520c6a4 David Howells 2012-09-21  1335  		render_depth++;
4520c6a4 David Howells 2012-09-21  1336  		for (ce = e->children; ce; ce = ce->next)
4520c6a4 David Howells 2012-09-21  1337  			render_element(out, ce, NULL);
4520c6a4 David Howells 2012-09-21  1338  		render_depth--;
4520c6a4 David Howells 2012-09-21  1339  
4520c6a4 David Howells 2012-09-21  1340  		act = e->action ? "_ACT" : "";
4520c6a4 David Howells 2012-09-21 @1341  		switch (e->compound) {
4520c6a4 David Howells 2012-09-21  1342  		case SEQUENCE:
4520c6a4 David Howells 2012-09-21  1343  			render_opcode(out, "ASN1_OP_END_SEQ%s,\n", act);
4520c6a4 David Howells 2012-09-21  1344  			break;
4520c6a4 David Howells 2012-09-21  1345  		case SEQUENCE_OF:
4520c6a4 David Howells 2012-09-21  1346  			render_opcode(out, "ASN1_OP_END_SEQ_OF%s,\n", act);
4520c6a4 David Howells 2012-09-21  1347  			render_opcode(out, "_jump_target(%u),\n", entry);
4520c6a4 David Howells 2012-09-21  1348  			break;
4520c6a4 David Howells 2012-09-21  1349  		case SET:

:::::: The code at line 1341 was first introduced by commit
:::::: 4520c6a49af833c83de6c74525ce8e07bbe6d783 X.509: Add simple ASN.1 grammar compiler

:::::: TO: David Howells <dhowells@redhat.com>
:::::: CC: Rusty Russell <rusty@rustcorp.com.au>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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Re: [linux-stable-rc:linux-3.10.y 4/144] scripts/asn1_compiler.c:1341:3: warning: enumeration value 'NOT_COMPOUND' not handled in switch

[Willy Tarreau]

On Mon, Jun 20, 2016 at 05:41:01PM +0800, kbuild test robot wrote:
> Hi,
> 
> First bad commit (maybe != root cause):
> 
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-3.10.y
> head:   ca1199fccf14540e86f6da955333e31d6fec5f3e
> commit: a4a4f1cd733fe5b345db4e8cc19bb8868d562a8a [4/144] compiler-gcc: integrate the various compiler-gcc[345].h files
> config: x86_64-randconfig-x014-201625 (attached as .config)
> compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430
> reproduce:
>         git checkout a4a4f1cd733fe5b345db4e8cc19bb8868d562a8a
>         # save the attached .config to linux build tree
>         make ARCH=x86_64 
> 
> All warnings (new ones prefixed by >>):
> 
>    scripts/asn1_compiler.c: In function 'render_out_of_line_list':
> >> scripts/asn1_compiler.c:1341:3: warning: enumeration value 'NOT_COMPOUND' not handled in switch [-Wswitch]
>       switch (e->compound) {
>       ^~~~~~
> >> scripts/asn1_compiler.c:1341:3: warning: enumeration value 'CHOICE' not handled in switch [-Wswitch]
> >> scripts/asn1_compiler.c:1341:3: warning: enumeration value 'ANY' not handled in switch [-Wswitch]
> >> scripts/asn1_compiler.c:1341:3: warning: enumeration value 'TYPE_REF' not handled in switch [-Wswitch]
> >> scripts/asn1_compiler.c:1341:3: warning: enumeration value 'TAG_OVERRIDE' not handled in switch [-Wswitch]

Fixed by backporting commit eb8948a ("X.509: remove possible code fragility:
enumeration values not handled"). Thanks for reporting.

Willy

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