diff options
Diffstat (limited to 'results/scraper/launchpad-without-comments/1909770')
| -rw-r--r-- | results/scraper/launchpad-without-comments/1909770 | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/results/scraper/launchpad-without-comments/1909770 b/results/scraper/launchpad-without-comments/1909770 new file mode 100644 index 000000000..c29b8eb2b --- /dev/null +++ b/results/scraper/launchpad-without-comments/1909770 @@ -0,0 +1,218 @@ +qemu-cris segfaults upon loading userspace binary + +I am on commit 65a3c5984074313602fb5f61cc5f464abfb020c7 (latest as far as I know). I compiled qemu with --enable-debug. + +I'm trying to run a userspace CRIS binary (`./qemu-cris -cpu crisv10 ./basic`), but this segfaults. When opening the coredump in gdb, I get + +gdb-peda$ bt +#0 0x00007f272a2e1ee1 in __memset_avx2_erms () from /usr/lib/libc.so.6 +#1 0x0000564a2f7bcda7 in zero_bss (elf_bss=0x82134, last_bss=0x84000, + prot=0x3) at ../linux-user/elfload.c:1865 +#2 0x0000564a2f7bff65 in load_elf_image ( + image_name=0x7fffe9f5703d "./basic", image_fd=0x3, + info=0x7fffe9f547c0, pinterp_name=0x7fffe9f545b0, + bprm_buf=0x7fffe9f54920 "\177ELF\001\001\001") + at ../linux-user/elfload.c:2801 +#3 0x0000564a2f7c0a12 in load_elf_binary (bprm=0x7fffe9f54920, + info=0x7fffe9f547c0) at ../linux-user/elfload.c:3104 +#4 0x0000564a2f81f290 in loader_exec (fdexec=0x3, + filename=0x7fffe9f5703d "./basic", argv=0x564a2f9f3cc0, + envp=0x564a2fa12600, regs=0x7fffe9f54860, infop=0x7fffe9f547c0, + bprm=0x7fffe9f54920) at ../linux-user/linuxload.c:147 +#5 0x0000564a2f7c4f9f in main (argc=0x4, argv=0x7fffe9f54e78, + envp=0x7fffe9f54ea0) at ../linux-user/main.c:808 +#6 0x00007f272a1a4152 in __libc_start_main () from /usr/lib/libc.so.6 +#7 0x0000564a2f786cee in _start () + +Or as a full backtrace: +gdb-peda$ bt full +#0 0x00007f272a2e1ee1 in __memset_avx2_erms () from /usr/lib/libc.so.6 +No symbol table info available. +#1 0x0000564a2f7bcda7 in zero_bss (elf_bss=0x82134, last_bss=0x84000, + prot=0x3) at ../linux-user/elfload.c:1865 + host_start = 0x92134 + host_map_start = 0x93000 + host_end = 0x94000 +#2 0x0000564a2f7bff65 in load_elf_image ( + image_name=0x7fffe9f5703d "./basic", image_fd=0x3, + info=0x7fffe9f547c0, pinterp_name=0x7fffe9f545b0, + bprm_buf=0x7fffe9f54920 "\177ELF\001\001\001") + at ../linux-user/elfload.c:2801 + vaddr = 0x82134 + vaddr_em = 0x82140 + vaddr_len = 0x2000 + vaddr_po = 0x134 + vaddr_ps = 0x82000 + vaddr_ef = 0x82134 + elf_prot = 0x3 + eppnt = 0x7fffe9f54974 + ehdr = 0x7fffe9f54920 + phdr = 0x7fffe9f54954 + load_addr = 0x80000 + load_bias = 0x0 + loaddr = 0x80000 + hiaddr = 0x1082140 + error = 0x80000 + i = 0x1 + retval = 0x273d2e9c + prot_exec = 0x4 + err = 0x0 + __func__ = "load_elf_image" +#3 0x0000564a2f7c0a12 in load_elf_binary (bprm=0x7fffe9f54920, + info=0x7fffe9f547c0) at ../linux-user/elfload.c:3104 + interp_info = { + load_bias = 0x0, + load_addr = 0x0, + start_code = 0x0, + end_code = 0x0, + start_data = 0x0, + end_data = 0x0, + start_brk = 0x0, + brk = 0x0, + reserve_brk = 0x0, + start_mmap = 0x0, + start_stack = 0x0, + stack_limit = 0x0, + entry = 0x0, + code_offset = 0x0, + data_offset = 0x0, + saved_auxv = 0x0, + auxv_len = 0x0, + arg_start = 0x0, + arg_end = 0x0, + arg_strings = 0x0, + env_strings = 0x0, + file_string = 0x0, + elf_flags = 0x0, + personality = 0x0, + alignment = 0x0, + loadmap_addr = 0x0, + nsegs = 0x0, + loadsegs = 0x0, + pt_dynamic_addr = 0x0, + interpreter_loadmap_addr = 0x0, + interpreter_pt_dynamic_addr = 0x0, + other_info = 0x0, + note_flags = 0x0 + } + elf_ex = { + e_ident = "|\214\t1\000\000\000\000\262\002\356_\000\000\000", + e_type = 0x8c7c, + e_machine = 0x3109, + e_version = 0x0, + e_entry = 0x5fee02b2, + e_phoff = 0x0, + e_shoff = 0x31098c7c, + e_flags = 0x0, + e_ehsize = 0x0, + e_phentsize = 0x0, + e_phnum = 0x0, + e_shentsize = 0x0, + e_shnum = 0x0, + e_shstrndx = 0x0 + } + elf_interpreter = 0x0 + scratch = 0x7f272a358021 <read+97> "H\213D$\bH\203\304(\303\017\037D" +#4 0x0000564a2f81f290 in loader_exec (fdexec=0x3, + filename=0x7fffe9f5703d "./basic", argv=0x564a2f9f3cc0, + envp=0x564a2fa12600, regs=0x7fffe9f54860, infop=0x7fffe9f547c0, + bprm=0x7fffe9f54920) at ../linux-user/linuxload.c:147 + retval = 0x400 +#5 0x0000564a2f7c4f9f in main (argc=0x4, argv=0x7fffe9f54e78, + envp=0x7fffe9f54ea0) at ../linux-user/main.c:808 + regs1 = { + orig_r10 = 0x0, + r0 = 0x0, + r1 = 0x0, + r2 = 0x0, + r3 = 0x0, + r4 = 0x0, + r5 = 0x0, + r6 = 0x0, + r7 = 0x0, + r8 = 0x0, + r9 = 0x0, + r10 = 0x0, + r11 = 0x0, + r12 = 0x0, + r13 = 0x0, + acr = 0x0, + srs = 0x0, + mof = 0x0, + spc = 0x0, + ccs = 0x0, + srp = 0x0, + erp = 0x0, + exs = 0x0, + eda = 0x0 + } + regs = 0x7fffe9f54860 + info1 = { + load_bias = 0x0, + load_addr = 0x80000, + start_code = 0x80000, + end_code = 0x80133, + start_data = 0xffffffff, + end_data = 0x0, + start_brk = 0x0, + brk = 0x80133, + reserve_brk = 0x1000000, + start_mmap = 0x80000000, + start_stack = 0x0, + stack_limit = 0x0, + entry = 0x80106, + code_offset = 0x0, + data_offset = 0x0, + saved_auxv = 0x0, + auxv_len = 0x0, + arg_start = 0x0, + arg_end = 0x0, + arg_strings = 0x0, + env_strings = 0x0, + file_string = 0x0, + elf_flags = 0x0, + personality = 0x0, + alignment = 0x2000, + loadmap_addr = 0x0, + nsegs = 0x2, + loadsegs = 0x0, + pt_dynamic_addr = 0x0, + interpreter_loadmap_addr = 0x0, + interpreter_pt_dynamic_addr = 0x0, + other_info = 0x0, + note_flags = 0x0 + } + info = 0x7fffe9f547c0 + bprm = { + buf = "\177ELF\001\001\001\000\000\000\000\000\000\000\000\000\002\000L\000\001\000\000\000\006\001\b\000\064\000\000\000\264\006\000\000\000\000\000\000\064\000 \000\003\000(\000\016\000\r\000\001\000\000\000\000\000\000\000\000\000\b\000\000\000\b\000\063\001\000\000\063\001\000\000\005\000\000\000\000 \000\000\001\000\000\000\064\001\000\000\064!\b\000\064!\b\000\000\000\000\000\f\000\000\000\006\000\000\000\000 \000\000\004\000\000\000\224\000\000\000\224\000\b\000\224\000\b\000$\000\000\000$\000\000\000\004\000\000\000\004\000\000\000\004\000\000\000\024\000\000\000\003\000\000\000GNU\000PH\017'i\204\231\070e\000\247\376\211\230\236\336Nf7\372\204\342\356\213n\206\214\342\374\201\352\253\370\201\353\273"..., + p = 0x0, + fd = 0x3, + e_uid = 0x3e8, + e_gid = 0x3d9, + argc = 0x1, + envc = 0x43, + argv = 0x564a2f9f3cc0, + envp = 0x564a2fa12600, + filename = 0x7fffe9f5703d "./basic", + core_dump = 0x0 + } + ts = 0x564a2fa25400 + env = 0x564a2fa24a08 + cpu = 0x564a2fa1c730 + optind = 0x3 + target_environ = 0x564a2fa12600 + wrk = 0x7fffe9f550b8 + target_argv = 0x564a2f9f3cc0 + target_argc = 0x1 + i = 0x1 + ret = 0x7fff + execfd = 0x3 + log_mask = 0x0 + max_reserved_va = 0xffffe000 +#6 0x00007f272a1a4152 in __libc_start_main () from /usr/lib/libc.so.6 +No symbol table info available. +#7 0x0000564a2f786cee in _start () +No symbol table info available. + + +The binary itself is just a basic binary that prints "hello\n" to stdout. I have attached it. \ No newline at end of file |