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authorEric Blake <eblake@redhat.com>2021-11-15 16:39:43 -0600
committerEric Blake <eblake@redhat.com>2021-11-16 08:45:33 -0600
commit76df2b8d695b07d85cce7db753a51cdbfe42b445 (patch)
treeda39022ad64309a3148f6a2931085ea78366f04c /scripts/meson-buildoptions.sh
parent9f0f846465d4c52ce9857787e947dffb64367fae (diff)
nbd/server: Silence clang sanitizer warning
clang's sanitizer is picky: memset(NULL, x, 0) is technically undefined behavior, even though no sane implementation of memset() deferences the NULL. Caught by the nbd-qemu-allocation iotest. The alternative to checking before each memset is to instead force an allocation of 1 element instead of g_new0(type, 0)'s behavior of returning NULL for a 0-length array. Reported-by: Peter Maydell <peter.maydell@linaro.org> Fixes: 3b1f244c59 (nbd: Allow export of multiple bitmaps for one device) Signed-off-by: Eric Blake <eblake@redhat.com> Message-Id: <20211115223943.626416-1-eblake@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Diffstat (limited to 'scripts/meson-buildoptions.sh')
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