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authorLibravatar René Scharfe <l.s.r@web.de>2017-05-06 19:13:52 +0200
committerLibravatar Junio C Hamano <gitster@pobox.com>2017-05-08 11:12:09 +0900
commit79e913c24aa37d0ede9ed9e8962a19634ae5129a (patch)
tree0ea3f3c69c978b7b07a5dc83dd8f4d8594a5e1a9 /t/t4018/css-prop-sans-indent
parentPrepare for 2.12.3 (diff)
downloadtgif-79e913c24aa37d0ede9ed9e8962a19634ae5129a.tar.xz
checkout: check return value of resolve_refdup before using hash
If resolve_refdup() fails it returns NULL and possibly leaves its hash output parameter untouched. Make sure to use it only if the function succeeded, in order to avoid accessing uninitialized memory. Found with t/t2011-checkout-invalid-head.sh --valgrind. Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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