1 files changed, 65 insertions, 0 deletions
diff --git a/results/classifier/118/none/1909392 b/results/classifier/118/none/1909392
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@@ -0,0 +1,65 @@
+PID: 0.696
+architecture: 0.688
+assembly: 0.684
+arm: 0.672
+risc-v: 0.650
+user-level: 0.630
+TCG: 0.603
+peripherals: 0.602
+mistranslation: 0.591
+x86: 0.586
+device: 0.582
+VMM: 0.577
+ppc: 0.575
+permissions: 0.571
+semantic: 0.553
+vnc: 0.551
+performance: 0.535
+debug: 0.530
+register: 0.520
+kernel: 0.495
+files: 0.486
+socket: 0.479
+boot: 0.475
+hypervisor: 0.458
+i386: 0.445
+graphic: 0.422
+KVM: 0.418
+virtual: 0.417
+network: 0.390
+
+qemu-arm crashes (SIGSEGV) when executing push instruction
+
+Dear all,
+I am afraid I found a problem, it seems like qemu-arm crashes when executing assembly push instruction.
+I use qemu version 5.2.0, but it checked an older version (4.2.1) and the problem was also present. I start qemu using "qemu-arm -cpu cortex-m4 -singlestep -g 1234 <path to elf file>"
+Callstack before crash (host)
+#0  0x000055555575961f in stl_he_p (ptr=0x2002fffc, v=0) at /home/faust1002/Programming/qemu/qemu-5.2.0/include/qemu/bswap.h:353
+#1  0x0000555555759716 in stl_le_p (ptr=0x2002fffc, v=0) at /home/faust1002/Programming/qemu/qemu-5.2.0/include/qemu/bswap.h:395
+#2  0x000055555575d3c3 in tcg_qemu_tb_exec (env=0x555555d28050, tb_ptr=0x7fffe800010a "\r\b") at ../tcg/tci.c:1221
+#3  0x00005555556bd982 in cpu_tb_exec (cpu=0x555555d1fd70, itb=0x7fffe8000000) at ../accel/tcg/cpu-exec.c:178
+#4  0x00005555556be57e in cpu_loop_exec_tb (cpu=0x555555d1fd70, tb=0x7fffe8000000, last_tb=0x7fffffffd8a8, tb_exit=0x7fffffffd8a0) at ../accel/tcg/cpu-exec.c:658
+#5  0x00005555556be7ea in cpu_exec (cpu=0x555555d1fd70) at ../accel/tcg/cpu-exec.c:771
+#6  0x000055555560af1d in cpu_loop (env=0x555555d28050) at ../linux-user/arm/cpu_loop.c:237
+#7  0x00005555557415a7 in main (argc=7, argv=0x7fffffffe0f8, envp=0x7fffffffe138) at ../linux-user/main.c:861
+Callstack before crash (target)
+Program received signal SIGSEGV, Segmentation fault.
+Reset_Handler () at startup.s:48
+48        push {r14}
+Please find the elf file I use attached.
+Kind regards
+
+
+
+The program is buggy.
+
+The first instruction sets the stack to 0x20020000,
+but that address is not mapped.
+
+Program Headers:
+  Type           Offset   VirtAddr   PhysAddr   FileSiz MemSiz  Flg Align
+  LOAD           0x010000 0x08000000 0x08000000 0x0025c 0x0025c R E 0x10000
+  LOAD           0x020000 0x20000000 0x0800025c 0x00000 0x00600 RW  0x10000
+
+The data segment only goes from 0x20000000 - 0x20000600.
+