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authorStefano Brivio <sbrivio@redhat.com>2022-05-19 13:07:33 +0200
committerStefano Brivio <sbrivio@redhat.com>2022-05-19 16:27:20 +0200
commitc318ffcb4c932752cd1f48bf5d1b0268f58895bd (patch)
tree30f28814818a2ef35a424379749732b5f32bef32 /contrib/fedora/passt.spec
parent3d4c2a44a69bba90f3ca70ba998b92ce892bbcd8 (diff)
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udp: Ignore bogus -Wstringop-overread for write() from gcc 12.1
With current OpenSUSE Tumbleweed on aarch64 (gcc-12-1.3.aarch64) and on x86_64 (gcc-12-1.4.x86_64), but curiously not on armv7hl (gcc-12-1.3.armv7hl), gcc warns about using the _pointer_ to the 802.3 header to write the whole frame to the tap descriptor: reading between 62 and 4294967357 bytes from a region of size 14 which is bogus: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103483 Probably declaring udp_sock_fill_data_v{4,6}() as noinline would "fix" this, but that's on the data path, so I'd rather not. Use a gcc pragma instead. Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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