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Diffstat (limited to 'results/classifier/118/debug/1775')
| -rw-r--r-- | results/classifier/118/debug/1775 | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/results/classifier/118/debug/1775 b/results/classifier/118/debug/1775 new file mode 100644 index 00000000..ad0a0f69 --- /dev/null +++ b/results/classifier/118/debug/1775 @@ -0,0 +1,91 @@ +debug: 0.849 +permissions: 0.782 +virtual: 0.752 +performance: 0.750 +arm: 0.741 +architecture: 0.736 +graphic: 0.728 +register: 0.728 +assembly: 0.691 +PID: 0.690 +device: 0.685 +ppc: 0.681 +files: 0.679 +semantic: 0.679 +kernel: 0.676 +risc-v: 0.666 +peripherals: 0.660 +user-level: 0.651 +VMM: 0.651 +vnc: 0.617 +TCG: 0.609 +network: 0.600 +mistranslation: 0.586 +boot: 0.582 +hypervisor: 0.579 +KVM: 0.555 +socket: 0.555 +x86: 0.512 +i386: 0.405 + +QEMU abort on Cortex-M breakpoint exception +Description of problem: +When a breakpoint exception is raised in a ARM Cortex-M board QEMU aborts. + +``` +$ qemu-system-arm --version +QEMU emulator version 8.0.90 (v8.1.0-rc0-21-gd1181d2937) + +$ ./qemu-system-arm -M stm32vldiscovery -nographic -device loader,file=raw-bkpt.hex -d in_asm,exec,int +[...] +Trace 0: 0x7fac6c000100 [00800400/0000000000000100/00000110/ff200000] +---------------- +IN: +0x00000110: be01 bkpt #1 + +Linking TBs 0x7fac6c000100 index 0 -> 0x7fac6c0002c0 +Trace 0: 0x7fac6c0002c0 [00800400/0000000000000110/00000110/ff200000] +qemu-system-arm: ../target/arm/helper.c:12224: arm_security_space_below_el3: Assertion `!arm_feature(env, ARM_FEATURE_M)' failed. +``` + +Expected behavior: +``` +$ qemu-system-arm --version +QEMU emulator version 7.1.0 + +$ ./qemu-system-arm -M stm32vldiscovery -nographic -device loader,file=raw-bkpt.hex -d in_asm,exec,int +[...] +Trace 0: 0x7f5408000100 [00800400/00000100/00000110/ff000000] +---------------- +IN: +0x00000110: be01 bkpt #1 + +Linking TBs 0x7f5408000100 [00000100] index 0 -> 0x7f54080002c0 [00000110] +Trace 0: 0x7f54080002c0 [00800400/00000110/00000110/ff000000] +Taking exception 7 [Breakpoint] on CPU 0 +...BusFault with BFSR.STKERR +...taking pending nonsecure exception 3 +...loading from element 3 of non-secure vector table at 0xc +...loaded new PC 0x0 +---------------- +``` +Steps to reproduce: +1. Run any Cortex-M firmware that raises a breakpoint exception. (minimal example attached) +Additional information: +- Minimal Reproducer: +[raw-bkpt.hex](/uploads/b9289c6f3a4feef015c8a3dffb4fc467/raw-bkpt.hex) +- This is **not** a duplicate of #1658 / #1740 +- Stacktrace: +``` +#2 0x00007ffff5a68538 in abort () at /usr/lib/libc.so.6 +#3 0x00007ffff5a6845c in () at /usr/lib/libc.so.6 +#4 0x00007ffff5a783d6 in () at /usr/lib/libc.so.6 +#5 0x0000555555c55921 in arm_security_space_below_el3 (env=0x555556dc1b40) at ../target/arm/helper.c:12224 +#6 arm_security_space_below_el3 (env=env@entry=0x555556dc1b40) at ../target/arm/helper.c:12222 +#7 0x0000555555c48b08 in arm_is_secure_below_el3 (env=0x555556dc1b40) at ../target/arm/cpu.h:2465 +#8 arm_is_el2_enabled (env=0x555556dc1b40) at ../target/arm/cpu.h:2517 +#9 arm_debug_target_el (env=env@entry=0x555556dc1b40) at ../target/arm/debug_helper.c:24 +#10 0x0000555555c49cb5 in helper_exception_bkpt_insn (env=0x555556dc1b40, syndrome=0xe2000001) at ../target/arm/debug_helper.c:510 +#11 0x00007fffac0002d9 in code_gen_buffer () +[...] +``` |