diff options
Diffstat (limited to 'results/classifier/user-mode-bugs/1821430')
| -rw-r--r-- | results/classifier/user-mode-bugs/1821430 | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/results/classifier/user-mode-bugs/1821430 b/results/classifier/user-mode-bugs/1821430 new file mode 100644 index 000000000..2c5b933ec --- /dev/null +++ b/results/classifier/user-mode-bugs/1821430 @@ -0,0 +1,34 @@ + + +qemu-user-arm (4.0.0-rc0) crashes + +I'm using qemu-user-arm for crosscompilation needs, usually via a wrapper. +qemu-user-arm (4.0.0-rc0) crashes with SIGILL on at least 2 instructions: + +first case (sadly I don't have more data handy, can reproduce at a later time if needed): +(gdb) x/i $pc +=> 0xfffce314: vseleq.f64 d0, d17, d0 + +second case (llvm-config): +qemu cmdline: +qemu-arm -strace -cpu max -r 5.0.0 -L /home/asavah/kross/build/rpi3/rootfs -E LD_LIBRARY_PATH=/home/asavah/kross/build/rpi3/rootfs/usr/bin:/home/asavah/kross/build/rpi3/rootfs/usr/lib /home/asavah/kross/build/rpi3/rootfs/usr/bin/llvm-config --shared-mode + +--- SIGILL {si_signo=SIGILL, si_code=2, si_addr=0xf9f89f80} --- +qemu: uncaught target signal 4 (Illegal instruction) - core dumped + +output from gdb(arm) attached to qemu-user-arm +Program received signal SIGILL, Illegal instruction. +0xf9f77f80 in ?? () +(gdb) bt +#0 0xf9f77f80 in ?? () +#1 0xfffd796c in ?? () +Backtrace stopped: previous frame identical to this frame (corrupt stack?) +(gdb) x/i $pc +=> 0xf9f77f80: vrintm.f64 d18, d18 + + +The very same binaries when run with qemu-user-arm 3.1.0 (both from ubuntu 19.04 package and self built) +work flawlessly. + +This is clearly a regression. +Please fix before releasing 4.0.0. \ No newline at end of file |