From: Stephen Rothwell <sfr@canb.auug.org.au>
To: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linux Next Mailing List <linux-next@vger.kernel.org>
Subject: linux-next: build warnings after merge of the kspp-gustavo tree
Date: Wed, 22 Nov 2023 14:48:14 +1100 [thread overview]
Message-ID: <20231122144814.649823ac@canb.auug.org.au> (raw)
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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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next reply other threads:[~2023-11-22 3:48 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-22 3:48 Stephen Rothwell [this message]
2023-11-22 4:04 ` linux-next: build warnings after merge of the kspp-gustavo tree Gustavo A. R. Silva
2023-11-22 5:15 ` Stephen Rothwell
[not found] ` <bbde1882-9124-408c-9f59-de3de66bfc56@embeddedor.com>
2023-11-24 19:07 ` Gustavo A. R. Silva
2023-11-22 4:51 ` Aithal, Srikanth
2023-11-24 1:23 ` Gustavo A. R. Silva
2023-11-27 22:13 ` Stephen Rothwell
2023-11-28 21:11 ` Gustavo A. R. Silva
2023-11-30 21:54 ` Gustavo A. R. Silva
2023-11-30 22:10 ` Stephen Rothwell
2023-12-01 8:40 ` Aithal, Srikanth
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