linux-next: build warnings after merge of the kspp-gustavo tree

Stephen Rothwell
2023-11-22T03:48:19Z

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Hi all,

After merging the kspp-gustavo tree, today's linux-next build (sparc64
defconfig) produced these warnings:

mm/mempolicy.c: In function 'mpol_parse_str':
mm/mempolicy.c:3007:26: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
3007 | *--flags = '=';
| ~~~~~~~~~^~~~~
mm/mempolicy.c:2890:26: note: destination object 'str' of size [0, 9223372036854775807]
2890 | int mpol_parse_str(char *str, struct mempolicy **mpol)
| ~~~~~~^~~
mm/mempolicy.c:3007:26: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
3007 | *--flags = '=';
| ~~~~~~~~~^~~~~
mm/mempolicy.c:2890:26: note: destination object 'str' of size [0, 9223372036854775807]
2890 | int mpol_parse_str(char *str, struct mempolicy **mpol)
| ~~~~~~^~~
mm/mempolicy.c:3007:26: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
3007 | *--flags = '=';
| ~~~~~~~~~^~~~~
mm/mempolicy.c:2890:26: note: destination object 'str' of size [0, 9223372036854775807]
2890 | int mpol_parse_str(char *str, struct mempolicy **mpol)
| ~~~~~~^~~
mm/mempolicy.c:3007:26: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
3007 | *--flags = '=';
| ~~~~~~~~~^~~~~
mm/mempolicy.c:2890:26: note: destination object 'str' of size [0, 9223372036854775807]
2890 | int mpol_parse_str(char *str, struct mempolicy **mpol)
| ~~~~~~^~~
mm/mempolicy.c:3005:29: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
3005 | *--nodelist = ':';
| ~~~~~~~~~~~~^~~~~
mm/mempolicy.c:2890:26: note: destination object 'str' of size [0, 9223372036854775807]
2890 | int mpol_parse_str(char *str, struct mempolicy **mpol)
| ~~~~~~^~~
mm/mempolicy.c:2890:26: note: destination object 'str' of size [0, 9223372036854775807]
mm/mempolicy.c:2890:26: note: destination object 'str' of size [0, 9223372036854775807]
mm/mempolicy.c:2890:26: note: destination object 'str' of size [0, 9223372036854775807]
mm/mempolicy.c:2890:26: note: destination object 'str' of size [0, 9223372036854775807]
mm/mempolicy.c:2890:26: note: destination object 'str' of size [0, 9223372036854775807]
mm/mempolicy.c:3007:26: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
3007 | *--flags = '=';
| ~~~~~~~~~^~~~~
mm/mempolicy.c:2890:26: note: destination object 'str' of size [0, 9223372036854775807]
2890 | int mpol_parse_str(char *str, struct mempolicy **mpol)
| ~~~~~~^~~
mm/mempolicy.c:3005:29: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
3005 | *--nodelist = ':';
| ~~~~~~~~~~~~^~~~~
mm/mempolicy.c:2890:26: note: destination object 'str' of size [0, 9223372036854775807]
2890 | int mpol_parse_str(char *str, struct mempolicy **mpol)
| ~~~~~~^~~
mm/mempolicy.c:2890:26: note: destination object 'str' of size [0, 9223372036854775807]
mm/mempolicy.c:2890:26: note: destination object 'str' of size [0, 9223372036854775807]
mm/mempolicy.c:3007:26: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
3007 | *--flags = '=';
| ~~~~~~~~~^~~~~
mm/mempolicy.c:2890:26: note: destination object 'str' of size [0, 9223372036854775807]
2890 | int mpol_parse_str(char *str, struct mempolicy **mpol)
| ~~~~~~^~~

This is using gcc v11.1.0

--
Cheers,
Stephen Rothwell

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