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receive-pack: don't access hash of NULL object_id pointer
authorRené Scharfe <redacted>
Sat, 15 Jul 2017 18:33:54 +0000 (20:33 +0200)
committerJunio C Hamano <redacted>
Mon, 17 Jul 2017 21:51:32 +0000 (14:51 -0700)
commitf730944a49b2a210bb10520700c0a3f6c49bc020
treedcb47674f2e675b1963ce0b3277fc686a72b7a7ftree | snapshot
parent3ea6b85a871aa41eaa66a2919451ad12d492c355commit | diff
receive-pack: don't access hash of NULL object_id pointer

We set old_oid to NULL if we found out that it's a corrupt reference.
In that case don't try to access the hash member and pass NULL to
ref_transaction_delete() instead.

Found with Clang's UBSan.

Signed-off-by: Rene Scharfe <redacted>
Signed-off-by: Junio C Hamano <redacted>
builtin/receive-pack.c diff | blob | history
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