I think the goldfish kernel is not maintained in the android source package, but in this separate linux-goldfish package, so it's time to move this bug again.
** Package changed: android (Ubuntu) => linux-goldfish (Ubuntu) ** Summary changed: - goldfish kernel panic after setsockopt(…IP_ADD_MEMBERSHIP…) + kernel null pointer dereference after setsockopt(…IP_ADD_MEMBERSHIP…) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-goldfish in Ubuntu. https://bugs.launchpad.net/bugs/1420366 Title: kernel null pointer dereference after setsockopt(…IP_ADD_MEMBERSHIP…) Status in linux-goldfish package in Ubuntu: New Bug description: Update: The "freeze" I explain in this bug is not an emulator freeze (which I thought at first), but a goldfish kernel panic. -------------------------------- This might be a bug in one of the products the ubuntu emulator is based on, or maybe it's a configuration issue. I don't know so I report this here. I'm trying to use libupnp in the Ubuntu emulator (My app was compiled using a 15.04 framework / i386 "kit" chroot created through ubuntu-sdk on Ubuntu 14.04, the emulator runs the "devel" i386 system image, I think r1, and libupnp is statically linked against my c++ backend module). My system is 14.04 and I use the SDK PPA, so… ubuntu-emulator is version 0.10-0ubuntu1 ubuntu-emulator-runtime is version 20140922-1903-0ubuntu3 There is a problem because InitUpnp() freezes the emulator instead of initializing the library correctly. By single-stepping through that library function and the functions called by that function, I figured out that it probably freezes in a setsockopt() call: (*) > ret = setsockopt(*ssdpSock, IPPROTO_IP, IP_ADD_MEMBERSHIP, > (char *)&ssdpMcastAddr, sizeof(struct ip_mreq)); Line 846: > http://sourceforge.net/p/pupnp/code/ci/master/tree/upnp/src/ssdp/ssdp_server.c#l846 * (That guess is based on the fact that after entering create_ssdp_sock_v4(), there's a sequence of socket(), setsockopt(), bind(), inet_addr(), inet_addr(), setsockopt() and then it freezes when typing "fin" in gdb to return from the last setsockopt call – I don't have enough debug information in the binary to know exactly, and I'm looking at libupnp git master but linking against a precompiled libupnp.a supplied by Ubuntu.) That system call apparently changes the socket to receive multicast packets. Related: http://sourceforge.net/p/pupnp/mailman/message/18352779/ states that the same line of code caused issues for another qemu-based emulator, but that was in 2008 and AIUI qemu is supposed to support IP_ADD_MEMBERSHIP since 2009. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-goldfish/+bug/1420366/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
