diff options
Diffstat (limited to 'results/classifier/105/other/1217')
| -rw-r--r-- | results/classifier/105/other/1217 | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/results/classifier/105/other/1217 b/results/classifier/105/other/1217 new file mode 100644 index 00000000..69620a7e --- /dev/null +++ b/results/classifier/105/other/1217 @@ -0,0 +1,143 @@ +other: 0.755 +graphic: 0.743 +KVM: 0.726 +vnc: 0.726 +instruction: 0.721 +device: 0.708 +assembly: 0.700 +semantic: 0.699 +mistranslation: 0.693 +socket: 0.683 +boot: 0.660 +network: 0.651 + +QEMU 6.2.0: Random segfaults when access register eax using qemu-system-x86_64 +Description of problem: +coredump info: +``` +(gdb) bt +#0 0x0000152016187387 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:55 +#1 0x0000152016188a78 in __GI_abort () at abort.c:90 +#2 0x00001520159f2439 in os::abort (dump_core=<optimized out>) + at /usr/src/debug/java-1.8.0-openjdk-1.8.0.262.b10-0.el7_8.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:1572 +#3 0x0000152015c0e64a in VMError::report_and_die (this=this@entry=0x151fe009c4d0) + at /usr/src/debug/java-1.8.0-openjdk-1.8.0.262.b10-0.el7_8.x86_64/openjdk/hotspot/src/share/vm/utilities/vmError.cpp:1112 +#4 0x00001520159fc5e5 in JVM_handle_linux_signal (sig=11, info=0x151fe009c770, ucVoid=0x151fe009c640, + abort_if_unrecognized=<optimized out>) + at /usr/src/debug/java-1.8.0-openjdk-1.8.0.262.b10-0.el7_8.x86_64/openjdk/hotspot/src/os_cpu/linux_x86/vm/os_linux_x86.cpp:541 +#5 0x00001520159ef5f8 in signalHandler (sig=11, info=0x151fe009c770, uc=0x151fe009c640) + at /usr/src/debug/java-1.8.0-openjdk-1.8.0.262.b10-0.el7_8.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:4591 +#6 <signal handler called> +#7 do_clone (pd=pd@entry=0x151fc7cfe700, attr=attr@entry=0x151fe009d410, stackaddr=<optimized out>, + stopped=<optimized out>, fct=0x152016b4fde0 <start_thread>, clone_flags=4001536) + at ../nptl/sysdeps/pthread/createthread.c:77 +#8 0x0000152016b5056a in create_thread (stackaddr=<optimized out>, attr=0x151fe009d410, pd=0x151fc7cfe700) + at ../nptl/sysdeps/pthread/createthread.c:244 +#9 __pthread_create_2_1 (newthread=<optimized out>, attr=<optimized out>, start_routine=<optimized out>, + arg=<optimized out>) at pthread_create.c:553 +#10 0x00001520159fb9b8 in os::create_thread (thread=0x561592f7f000, thr_type=<optimized out>, +---Type <return> to continue, or q <return> to quit---f 7 + stack_size=<optimized out>) + at /usr/src/debug/java-1.8.0-openjdk-1.8.0.262.b10-0.el7_8.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:921 +#11 0x00001520157eea78 in JVM_StartThread (env=<optimized out>, jthread=0x151fe009d4d0) + at /usr/src/debug/java-1.8.0-openjdk-1.8.0.262.b10-0.el7_8.x86_64/openjdk/hotspot/src/share/vm/prims/jvm.cpp:3128 +#12 0x0000152001ef0c26 in ?? () +#13 0x00000006e100f538 in ?? () +#14 0x00000000de00bfff in ?? () +#15 0x0000151fe009d530 in ?? () +#16 0x0000152001915328 in ?? () +#17 0x00000006e100f538 in ?? () +#18 0x0000152010062550 in ?? () +#19 0x00000006f1450200 in ?? () +#20 0x00001520de280104 in ?? () +#21 0x0000000000000000 in ?? () +(gdb) f 7 +#7 do_clone (pd=pd@entry=0x151fc7cfe700, attr=attr@entry=0x151fe009d410, stackaddr=<optimized out>, + stopped=<optimized out>, fct=0x152016b4fde0 <start_thread>, clone_flags=4001536) + at ../nptl/sysdeps/pthread/createthread.c:77 +77 if (__builtin_expect (rc == -1, 0)) +(gdb) disas +Dump of assembler code for function do_clone: + 0x0000152016b4f010 <+0>: push %r12 + 0x0000152016b4f012 <+2>: xor %r12d,%r12d + 0x0000152016b4f015 <+5>: mov %rdx,%r10 + 0x0000152016b4f018 <+8>: push %rbp + 0x0000152016b4f019 <+9>: mov %rsi,%rbp + 0x0000152016b4f01c <+12>: push %rbx + 0x0000152016b4f01d <+13>: mov %rdi,%rbx + 0x0000152016b4f020 <+16>: sub $0x10,%rsp + 0x0000152016b4f024 <+20>: test %ecx,%ecx + 0x0000152016b4f026 <+22>: setne %r12b + 0x0000152016b4f02a <+26>: jne 0x152016b4f07f <do_clone+111> + 0x0000152016b4f02c <+28>: lock incl 0x21022d(%rip) # 0x152016d5f260 <__nptl_nthreads> + 0x0000152016b4f033 <+35>: lea 0x2d0(%rbx),%r8 + 0x0000152016b4f03a <+42>: lea 0xd9f(%rip),%rdi # 0x152016b4fde0 <start_thread> + 0x0000152016b4f041 <+49>: xor %eax,%eax + 0x0000152016b4f043 <+51>: mov %rbx,%r9 + 0x0000152016b4f046 <+54>: mov %rbx,%rcx + 0x0000152016b4f049 <+57>: mov $0x3d0f00,%edx + 0x0000152016b4f04e <+62>: mov %r8,(%rsp) + 0x0000152016b4f052 <+66>: mov %r10,%rsi + 0x0000152016b4f055 <+69>: callq 0x152016b4d470 <__clone@plt> +=> 0x0000152016b4f05a <+74>: cmp $0xffffffff,%eax + 0x0000152016b4f05d <+77>: je 0x152016b4f118 <do_clone+264> +---Type <return> to continue, or q <return> to quit---q +Quit +(gdb) p rc +$1 = 223935 +(gdb) i r rax +rax 0x36abf 223935 +(gdb) i r eax +eax 0x0 0 +(gdb) l +72 atomic_increment (&__nptl_nthreads); +73 +74 int rc = ARCH_CLONE (fct, STACK_VARIABLES_ARGS, clone_flags, +75 pd, &pd->tid, TLS_VALUE, &pd->tid); +76 +77 if (__builtin_expect (rc == -1, 0)) +78 { +79 atomic_decrement (&__nptl_nthreads); /* Oops, we lied for a second. */ +80 +81 /* Perhaps a thread wants to change the IDs and if waiting +(gdb) +``` +Additional information: +``` +# cat test.c +#include <stdlib.h> + +int main() { + int rc = test1(); + if(__builtin_expect (rc == -1, 0)) { + return rc; + } + + return 0; +} +# cat test_asm.s +global test1 +section .text +test1: + mov rax, 223935 + ret + +(gdb) disas main +Dump of assembler code for function main: + 0x00000000004004f6 <+0>: sub $0x8,%rsp + 0x00000000004004fa <+4>: mov $0x0,%eax + 0x00000000004004ff <+9>: callq 0x4004f0 <test1> + 0x0000000000400504 <+14>: cmp $0xffffffff,%eax + 0x0000000000400507 <+17>: sete %al + 0x000000000040050a <+20>: movzbl %al,%eax + 0x000000000040050d <+23>: neg %eax + 0x000000000040050f <+25>: add $0x8,%rsp + 0x0000000000400513 <+29>: retq +End of assembler dump. +... +# set breakpoint at 0x0000000000400504 +(gdb) i r eax +eax 0x36abf 223935 +(gdb) i r rax +rax 0x36abf 223935 +``` |