net/tap build failure on Ubuntu 24.04 with LTO
https://bugs.dpdk.org/show_bug.cgi?id=1511
Bug ID: 1511
Summary: net/tap build failure on Ubuntu 24.04 with LTO
Product: DPDK
Version: 24.07
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: ethdev
Assignee: [email protected]
Reporter: [email protected]Target Milestone: ---
$ meson --werror -Db_lto=true build && ninja -C build
[..]
[2109/2774] Linking target drivers/librte_net_tap.so.24.2
../drivers/net/tap/tap_netlink.c: In function ‘tap_flow_create_ipv6’:
../drivers/net/tap/tap_netlink.c:305:9: warning: writing 16 bytes into a region
of size 12 [-Wstringop-overflow=]
305 | memcpy(RTA_DATA(rta), data, data_len);
| ^
../drivers/net/tap/tap_netlink.h:20:25: note: at offset [4, 16] into
destination object ‘nh’ of size 16
20 | struct nlmsghdr nh;
| ^
../drivers/net/tap/tap_netlink.c:305:9: warning: writing 16 bytes into a region
of size 12 [-Wstringop-overflow=]
305 | memcpy(RTA_DATA(rta), data, data_len);
| ^
../drivers/net/tap/tap_netlink.h:20:25: note: at offset [4, 16] into
destination object ‘nh’ of size 16
20 | struct nlmsghdr nh;
| ^
../drivers/net/tap/tap_netlink.c:305:9: warning: writing 16 bytes into a region
of size 12 [-Wstringop-overflow=]
305 | memcpy(RTA_DATA(rta), data, data_len);
| ^
../drivers/net/tap/tap_netlink.h:20:25: note: at offset [4, 16] into
destination object ‘nh’ of size 16
20 | struct nlmsghdr nh;
| ^
../drivers/net/tap/tap_netlink.c:305:9: warning: writing 16 bytes into a region
of size 12 [-Wstringop-overflow=]
305 | memcpy(RTA_DATA(rta), data, data_len);
| ^
../drivers/net/tap/tap_netlink.h:20:25: note: at offset [4, 16] into
destination object ‘nh’ of size 16
20 | struct nlmsghdr nh;
| ^
[2755/2774] Linking target app/dpdk-test-pipeline
../drivers/net/tap/tap_netlink.c: In function ‘tap_flow_create_ipv6’:
../drivers/net/tap/tap_netlink.c:305:9: warning: writing 16 bytes into a region
of size 12 [-Wstringop-overflow=]
305 | memcpy(RTA_DATA(rta), data, data_len);
| ^
../drivers/net/tap/tap_netlink.h:20:25: note: at offset [4, 16] into
destination object ‘nh’ of size 16
20 | struct nlmsghdr nh;
| ^
../drivers/net/tap/tap_netlink.c:305:9: warning: writing 16 bytes into a region
of size 12 [-Wstringop-overflow=]
305 | memcpy(RTA_DATA(rta), data, data_len);
| ^
../drivers/net/tap/tap_netlink.h:20:25: note: at offset [4, 16] into
destination object ‘nh’ of size 16
20 | struct nlmsghdr nh;
| ^
../drivers/net/tap/tap_netlink.c:305:9: warning: writing 16 bytes into a region
of size 12 [-Wstringop-overflow=]
305 | memcpy(RTA_DATA(rta), data, data_len);
| ^
../drivers/net/tap/tap_netlink.h:20:25: note: at offset [4, 16] into
destination object ‘nh’ of size 16
20 | struct nlmsghdr nh;
| ^
../drivers/net/tap/tap_netlink.c:305:9: warning: writing 16 bytes into a region
of size 12 [-Wstringop-overflow=]
305 | memcpy(RTA_DATA(rta), data, data_len);
| ^
../drivers/net/tap/tap_netlink.h:20:25: note: at offset [4, 16] into
destination object ‘nh’ of size 16
[..]OS: Ubuntu 24.04
Meson: 1.3.2
Compiler: gcc 13.2.0
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http://bugs.dpdk.org/show_bug.cgi?id=1511
Thomas Monjalon ([email protected]) changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |FIXED--- Comment #2 from Thomas Monjalon ([email protected]) --- Resolved in http://git.dpdk.org/dpdk/commit/?id=adb95cc664
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