diff options
Diffstat (limited to 'results/classifier/105/instruction/929')
| -rw-r--r-- | results/classifier/105/instruction/929 | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/results/classifier/105/instruction/929 b/results/classifier/105/instruction/929 new file mode 100644 index 000000000..64733a8d3 --- /dev/null +++ b/results/classifier/105/instruction/929 @@ -0,0 +1,46 @@ +instruction: 0.889 +graphic: 0.770 +device: 0.680 +semantic: 0.663 +network: 0.521 +vnc: 0.482 +socket: 0.465 +mistranslation: 0.434 +boot: 0.362 +other: 0.303 +assembly: 0.210 +KVM: 0.077 + +qemu-user syscall clone fails +Description of problem: +This seems very similar to the issue reported here (https://bugs.launchpad.net/qemu/+bug/1926996). When attempting to perform the clone syscall, an error of -1 is returned where I would expect it to succeed. Running the same executable outside of qemu works as expected. +Steps to reproduce: +1. gcc clone.c +2. qemu-x86_64 a.out +Additional information: +I've tried building with gcc, zig cc, and clang and the output of each works fine when running natively, but running under qemu fails. I originally discovered it when cross compiling to riscv64 but it doesn't seem to be limited to that architecture. + +``` +// clone.c + +#include <linux/sched.h> +#include <sched.h> +#include <sys/syscall.h> +#include <unistd.h> +#include <stdio.h> + +int main(void) { + + long pid = syscall( SYS_clone, 0, 0, 0, 0, 0 ); + + if (pid < 0) { + printf( "error %ld\n", pid ); + } else if (pid == 0) { + printf( "child %ld\n", pid ); + } else { + printf( "parent %ld\n", pid ); + } + + return 0; +} +``` |