dpmitest$ ~/local.new/bin/dosemu -K "$PWD" -dumb -E "dpmistck.com" -I "cpu_vm_dpmi native" dosemu2 2.0pre9-dev-20220330-114-g3bb81cfce Configured: 2022-03-30 12:51:59 +0000 Get the latest code at http://dosemu2.github.io/dosemu2 Submit Bugs via https://github.com/dosemu2/dosemu2/issues Ask for help in mail list: linux-msdos@vger.kernel.org This program comes with ABSOLUTELY NO WARRANTY. This is free software, GPL v2 (or any later version) distribution conditions. -; Welcome to lDebug! FreeDOS kernel - GIT (build 2043 OEM:0xfd) [compiled Oct 28 2021] Kernel compatibility 7.10 - GNUC - FAT32 support (C) Copyright 1995-2012 Pasquale J. Villani and The FreeDOS Project. All Rights Reserved. This is free software and comes with ABSOLUTELY NO WARRANTY; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. C: HD1, Pri[ 1], CHS= 0-1-1, start= 0 MB, size= 2000 MB D: HD2, Pri[ 1], CHS= 0-1-1, start= 0 MB, size= 2000 MB EMUFS host file and print access available dosemu XMS 3.0 & UMB support enabled dosemu EMS driver rev 0.9 installed. dosemu CDROM driver installed (V0.2) Kernel: allocated 33 Diskbuffers = 17556 Bytes in HMA emufs: redirector enabled emufs: redirector enabled Welcome to dosemu2! Build 2.0pre9-dev-20220330-114-g3bb81cfce Protected mode breakpoint at 0211h. 32-bit code segment breakpoint at 0223h. 16-bit stack test breakpoint at 031Bh. 32-bit stack test breakpoint at 0339h. Return from child process at 0450h. Security warning: native DPMI mode is insecure, adjust $_cpu_vm_dpmi ERROR: KVM: error opening /dev/kvm: No such file or directory ERROR: PKT: Cannot open tap0: Permission denied ERROR: PKT: Cannot open tap0: Permission denied ERROR: alsa_midi (ALSA lib): seq_hw.c:466:(snd_seq_hw_open) : No such file or directory open /dev/snd/seq failed ERROR: Unable to open console or check with X to evaluate the keyboard map. Please specify your keyboard map explicitly via the $_layout option. Defaulting to US. ERROR: Your kernel does not support UC_STRICT_RESTORE_SS and the work-around in dosemu is not enabled. ERROR: Accessing invalid address 0x7f54f933dad8 ERROR: Fault handler re-entered! signal=11 _trapno=0xE ERROR: Please install gdb! ==1069469==WARNING: ASan is ignoring requested __asan_handle_no_return: stack top: 0x7f550da99200; bottom 0x7f5524344000; size: 0xffffffffe9755200 (-378187264) False positive error reports may follow For details see https://github.com/google/sanitizers/issues/189 ==1069468==WARNING: ASan is ignoring requested __asan_handle_no_return: stack top: 0x7f550da99200; bottom 0x7f5524346000; size: 0xffffffffe9753200 (-378195456) False positive error reports may follow For details see https://github.com/google/sanitizers/issues/189 ERROR: Fault handler re-entered! signal=11 _trapno=0xE ================================================================= ==1069470==ERROR: AddressSanitizer: stack-buffer-underflow on address 0x7f5524348390 at pc 0x5590832ad4c8 bp 0x7f5524348280 sp 0x7f5524348278 WRITE of size 1 at 0x7f5524348390 thread T0 #0 0x5590832ad4c7 in uputchar [home]/proj/newnewdosemu/20220329/src/plugin/debugger/dis8086.c:505 #1 0x5590832af13f in ua_str [home]/proj/newnewdosemu/20220329/src/plugin/debugger/dis8086.c:1089 #2 0x5590832af290 in DasmI386 [home]/proj/newnewdosemu/20220329/src/plugin/debugger/dis8086.c:1121 #3 0x5590832afe18 in dis_8086 [home]/proj/newnewdosemu/20220329/src/plugin/debugger/dis8086.c:1143 #4 0x559082ef12d3 in emu_disasm [home]/proj/newnewdosemu/20220329/src/base/core/dump.c:34 #5 0x559082ef24aa in show_regs [home]/proj/newnewdosemu/20220329/src/base/core/dump.c:130 #6 0x559082ef2e74 in dump_state [home]/proj/newnewdosemu/20220329/src/base/core/dump.c:158 #7 0x559082f1011d in gdb_debug [home]/proj/newnewdosemu/20220329/src/arch/linux/async/debug.c:224 #8 0x559082f0809e in dosemu_fault1 [home]/proj/newnewdosemu/20220329/src/arch/linux/async/sigsegv.c:70 #9 0x559082f08e29 in dosemu_fault0 [home]/proj/newnewdosemu/20220329/src/arch/linux/async/sigsegv.c:290 #10 0x559082f09190 in dosemu_fault [home]/proj/newnewdosemu/20220329/src/arch/linux/async/sigsegv.c:310 #11 0x7f552b19d13f (/lib/x86_64-linux-gnu/libpthread.so.0+0x1413f) Address 0x7f5524348390 is a wild pointer. SUMMARY: AddressSanitizer: stack-buffer-underflow [home]/proj/newnewdosemu/20220329/src/plugin/debugger/dis8086.c:505 in uputchar Shadow bytes around the buggy address: 0x0feb24861020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x0feb24861030: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x0feb24861040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x0feb24861050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x0feb24861060: 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1 f1 f1 =>0x0feb24861070: 04 f2[f1]f1 f1 f1 00 00 00 00 00 00 00 00 00 00 0x0feb24861080: 00 00 00 00 00 00 00 00 00 00 f2 f2 f2 f2 00 00 0x0feb24861090: 00 00 f3 f3 f3 f3 f3 f3 f3 f3 00 00 00 00 00 00 0x0feb248610a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x0feb248610b0: 00 00 00 00 f1 f1 f1 f1 00 f2 f2 f2 00 f3 f3 f3 0x0feb248610c0: 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 Shadow byte legend (one shadow byte represents 8 application bytes): Addressable: 00 Partially addressable: 01 02 03 04 05 06 07 Heap left redzone: fa Freed heap region: fd Stack left redzone: f1 Stack mid redzone: f2 Stack right redzone: f3 Stack after return: f5 Stack use after scope: f8 Global redzone: f9 Global init order: f6 Poisoned by user: f7 Container overflow: fc Array cookie: ac Intra object redzone: bb ASan internal: fe Left alloca redzone: ca Right alloca redzone: cb Shadow gap: cc ==1069470==ABORTING ERROR: Please install gdb! ==1069471==WARNING: ASan is ignoring requested __asan_handle_no_return: stack top: 0x7f550da99200; bottom 0x7f5524345000; size: 0xffffffffe9754200 (-378191360) False positive error reports may follow For details see https://github.com/google/sanitizers/issues/189 ==1069470==WARNING: ASan is ignoring requested __asan_handle_no_return: stack top: 0x7f550da99200; bottom 0x7f5524344000; size: 0xffffffffe9755200 (-378187264) False positive error reports may follow For details see https://github.com/google/sanitizers/issues/189 ==1069441==WARNING: ASan is ignoring requested __asan_handle_no_return: stack top: 0x7f550da99200; bottom 0x7f5524346000; size: 0xffffffffe9753200 (-378195456) False positive error reports may follow For details see https://github.com/google/sanitizers/issues/189 removing stale files: [home]/.dosemu/run/dosemu.dbgin.1069441 [home]/.dosemu/run/dosemu.dbgout.1069441 Terminated with signal 127