diff options
Diffstat (limited to 'results/classifier/deepseek-2-tmp/output/mistranslation/1803160')
| -rw-r--r-- | results/classifier/deepseek-2-tmp/output/mistranslation/1803160 | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/results/classifier/deepseek-2-tmp/output/mistranslation/1803160 b/results/classifier/deepseek-2-tmp/output/mistranslation/1803160 new file mode 100644 index 000000000..366f8b834 --- /dev/null +++ b/results/classifier/deepseek-2-tmp/output/mistranslation/1803160 @@ -0,0 +1,56 @@ + +qemu-3.1.0-rc0: tcg.c crash in temp_load + +QEMU version: +------------- + +qemu-3.1.0-rc0 compiled from sources (earlier versions also affected) + +Summary: +-------- + +TCG crashes in i386 and x86_64 when it tries to execute some specific illegal instructions. When running full OS emulation, both the guest system and QEMU crash. + +The issue has been reproduced in two scenarios: + +Ubuntu x64 host running Debian x86 guest with the following command line: qemu-system-x86_64 -m 4G debian.qcow + +When the attached ELF file is executed inside the guest, QEMU crashes. + +It can also be reproduced from the command line: + +$ qemu-i386 tcg_crash.elf +/home/alberto/Documents/qemu-3.1.0-rc0/tcg/tcg.c:2863: tcg fatal error +qemu: uncaught target signal 11 (Segmentation fault) - core dumped +zsh: segmentation fault (core dumped) ../qemu-3.1.0-rc0/build/i386-linux-user/qemu-i386 tcg_crash.elf + +GDB backtrace: + +(gdb) bt +#0 0x0000000060206488 in raise () +#1 0x0000000060206b8a in abort () +#2 0x0000000060007016 in temp_load (s=s@entry=0x607a2780 <tcg_init_ctx>, ts=ts@entry=0x607a3178 <tcg_init_ctx+2552>, desired_regs=<optimized out>, allocated_regs=allocated_regs@entry=16400) + at /home/alberto/Documents/qemu-3.1.0-rc0/tcg/tcg.c:2863 +#3 0x000000006000a4d9 in tcg_reg_alloc_op (op=0x62808c20, s=<optimized out>) at /home/alberto/Documents/qemu-3.1.0-rc0/tcg/tcg.c:3070 +#4 tcg_gen_code (s=<optimized out>, tb=tb@entry=0x607ac040 <static_code_gen_buffer+4144>) at /home/alberto/Documents/qemu-3.1.0-rc0/tcg/tcg.c:3598 +#5 0x000000006003ef9a in tb_gen_code (cpu=cpu@entry=0x627e0010, pc=pc@entry=134512724, cs_base=cs_base@entry=0, flags=flags@entry=4194483, cflags=cflags@entry=0) + at /home/alberto/Documents/qemu-3.1.0-rc0/accel/tcg/translate-all.c:1752 +#6 0x000000006003d979 in tb_find (cf_mask=0, tb_exit=0, last_tb=0x0, cpu=0x0) at /home/alberto/Documents/qemu-3.1.0-rc0/accel/tcg/cpu-exec.c:404 +#7 cpu_exec (cpu=cpu@entry=0x627e0010) at /home/alberto/Documents/qemu-3.1.0-rc0/accel/tcg/cpu-exec.c:724 +#8 0x000000006006e1a0 in cpu_loop (env=env@entry=0x627e82c0) at /home/alberto/Documents/qemu-3.1.0-rc0/linux-user/i386/cpu_loop.c:93 +#9 0x00000000600037c5 in main (argc=2, argv=0x7fffffffdd28, envp=<optimized out>) at /home/alberto/Documents/qemu-3.1.0-rc0/linux-user/main.c:819 +(gdb) + +Testcase: +--------- + +Find ELF file attached, and also in the following hexdump: + +$ hexdump -C tcg_crash.elf +00000000 7f 45 4c 46 01 01 01 00 00 00 00 00 00 00 00 00 |.ELF............| +00000010 02 00 03 00 01 00 00 00 54 80 04 08 34 00 00 00 |........T...4...| +00000020 00 00 00 00 00 00 00 00 34 00 20 00 01 00 00 00 |........4. .....| +00000030 00 00 00 00 01 00 00 00 00 00 00 00 00 80 04 08 |................| +00000040 00 80 04 08 64 00 00 00 64 00 00 00 05 00 00 00 |....d...d.......| +00000050 00 10 00 00 d2 dc a8 45 31 ca f0 35 d9 4d 8f 18 |.......E1..5.M..| +00000060 05 2e 6f 9f |..o.| \ No newline at end of file |