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Merge pull request #690 from sarosh-arif/dev 

prevent ff_recvfrom() from corrupting *from passed by user in case of zero *fromlen
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johnjiang 2022-08-27 20:55:04 +08:00 committed by GitHub
parent 2cf815a338 06447d0b38
commit bd798c39f3
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1 changed files with 1 additions and 1 deletions
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2
lib/ff_syscall_wrapper.c
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@ -896,7 +896,7 @@ ff_recvfrom(int s, void *buf, size_t len, int flags,
if (fromlen != NULL) if (fromlen != NULL)
*fromlen = msg.msg_namelen; *fromlen = msg.msg_namelen;
if (from) if (from && msg.msg_namelen != 0)
freebsd2linux_sockaddr(from, (struct sockaddr *)&bsdaddr); freebsd2linux_sockaddr(from, (struct sockaddr *)&bsdaddr);
return (rc); return (rc);