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Diffstat (limited to 'results/classifier/105/socket/1796754')
| -rw-r--r-- | results/classifier/105/socket/1796754 | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/results/classifier/105/socket/1796754 b/results/classifier/105/socket/1796754 deleted file mode 100644 index 4bd25492..00000000 --- a/results/classifier/105/socket/1796754 +++ /dev/null @@ -1,51 +0,0 @@ -socket: 0.896 -instruction: 0.859 -graphic: 0.787 -network: 0.713 -device: 0.688 -semantic: 0.674 -other: 0.634 -vnc: 0.545 -mistranslation: 0.520 -boot: 0.428 -assembly: 0.388 -KVM: 0.285 - -ioctl SIOCGIFCONF causes qemu-aarch64-static to crash with "received signal outside vCPU context" - -To reproduce it, compile the attached crash.c under aarch64 to a.out and execute on x86_64 -qemu-aarch64-static ./a.out - -It will print the following and crash: - -socket=3 -qemu:handle_cpu_signal received signal outside vCPU context @ pc=0x60038cd6 -qemu:handle_cpu_signal received signal outside vCPU context @ pc=0x6000157a - -The version of qemu-aarch64-static is - -qemu-aarch64 version 3.0.0 (qemu-3.0.0-1.fc29) -Copyright (c) 2003-2017 Fabrice Bellard and the QEMU Project developers - -But it did also happen in previous versions so it is not a regression but a bug existed ever since. - - - -I was hit by this issue when I tried to run some Java program. And it turns out jdk sets the buf to NULL: http://hg.openjdk.java.net/jdk7/jdk7/jdk/file/887e525597f8/src/solaris/native/java/net/NetworkInterface.c#l1042 - -Setting to NULL is valid according to http://man7.org/linux/man-pages/man7/netdevice.7.html - -But qemu doesn’t handle the case: https://github.com/qemu/qemu/blob/aa8e26de9617756febcbf794dda965df307fdaaa/linux-user/syscall.c#L4105 - -I guess qemu developers didn’t handle the case because the Linux kernel changed and they were based on behavior of old version: https://linux.die.net/man/7/netdevice - -Please add the support for it otherwise a wide range of network related Java programs won’t run. - -I sent out a patch: http://lists.nongnu.org/archive/html/qemu-devel/2018-10/msg01657.html -(Please ignore the other 2 identical patches. It was my first time sending out patches and I didn't know it was moderated so I sent it out multiple times). - -I have patch at http://lists.nongnu.org/archive/html/qemu-devel/2018-10/msg05401.html, please let me know when it can be merged, thanks. - -Kan Li's patch was applied to master as commit 22e4a267a6627e5b5b, so this will be fixed in the upcoming QEMU 4.0 release. - - |