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Diffstat (limited to 'results/classifier/105/graphic/922')
| -rw-r--r-- | results/classifier/105/graphic/922 | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/results/classifier/105/graphic/922 b/results/classifier/105/graphic/922 new file mode 100644 index 00000000..d116665b --- /dev/null +++ b/results/classifier/105/graphic/922 @@ -0,0 +1,33 @@ +graphic: 0.796 +instruction: 0.767 +device: 0.756 +semantic: 0.572 +vnc: 0.475 +boot: 0.282 +other: 0.180 +socket: 0.147 +network: 0.145 +mistranslation: 0.128 +assembly: 0.079 +KVM: 0.016 + +QEMU 7.0.0-rc0: Random segfaults when running grep using qemu-arm-static +Description of problem: +I'm running ARM binaries using 32 bit qemu-arm-static on x86_64 host. Sometimes when running grep via qemu, I get a random segmentation fault. Sometimes it happens faster, sometimes it takes several thousand iterations, but sooner or later it happens and really annoying. + +This problem is also reproduced on 6.2, 5.2 and 5.1 releases, and NOT reproduced on 5.0 + +I wrote small test to demonstrate this bug. +Steps to reproduce: +1. Download the test environment: [qemu-test-segfault.tar.bz2](/uploads/8f52617d46ba1e5bf29fc273cd07131d/qemu-test-segfault.tar.bz2) +2. `$ make # To build the docker container` +3. `$ make shell # To run ARM bash` +4. Inside a container, run `while true; do /qemu /bin/grep -E f text > /dev/null; [ $? -ne 0 ] && break; done`. After a while you will get segfault: +``` +[root@0d81b08f032b /]# /qemu --version +qemu-arm version 6.2.90 +Copyright (c) 2003-2022 Fabrice Bellard and the QEMU Project developers +[root@0d81b08f032b /]# while true; do /qemu /bin/grep -E f text > /dev/null; [ $? -ne 0 ] && break; done +Segmentation fault (core dumped) +[root@0d81b08f032b /]# +``` |