[Bug symtab/16595] New: gdb.base/readline-ask load -fsanitize=address error

["jan.kratochvil at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=16595

            Bug ID: 16595
           Summary: gdb.base/readline-ask load -fsanitize=address error
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: symtab
          Assignee: unassigned at sourceware dot org
          Reporter: jan.kratochvil at redhat dot com
              Host: x86_64-unknown-linux-gnu

(gdb) file .../gdb/testsuite/gdb.base/readline-ask
Reading symbols from
.../gdb/testsuite/gdb.base/readline-ask...=================================================================
==5856== ERROR: AddressSanitizer: heap-buffer-overflow on address
0x601c0000c5c0 at pc 0x1124771 bp 0x7fffd23e95a0 sp 0x7fffd23e9590
READ of size 8 at 0x601c0000c5c0 thread T0
    #0 0x1124770 in simple_restore_output_info (.../gdb/gdb+0x1124770)
    #1 0x10ecd51 in bfd_map_over_sections (.../gdb/gdb+0x10ecd51)
    #2 0x1125150 in bfd_simple_get_relocated_section_contents
(.../gdb/gdb+0x1125150)
    #3 0x9ca87e in default_symfile_relocate (.../gdb/gdb+0x9ca87e)
    #4 0x9ca98d in symfile_relocate_debug_section (.../gdb/gdb+0x9ca98d)
    #5 0xaf5609 in dwarf2_read_section (.../gdb/gdb+0xaf5609)
    #6 0xb0ce07 in dwarf2_build_psymtabs_hard (.../gdb/gdb+0xb0ce07)
    #7 0xb000de in dwarf2_build_psymtabs (.../gdb/gdb+0xb000de)
    #8 0x86c39d in read_psyms (.../gdb/gdb+0x86c39d)
    #9 0x9b0dd7 in require_partial_symbols (.../gdb/gdb+0x9b0dd7)
    #10 0x9be470 in read_symbols (.../gdb/gdb+0x9be470)
    #11 0x9bf2ec in syms_from_objfile_1 (.../gdb/gdb+0x9bf2ec)
    #12 0x9bf334 in syms_from_objfile (.../gdb/gdb+0x9bf334)
    #13 0x9bf54e in symbol_file_add_with_addrs (.../gdb/gdb+0x9bf54e)
    #14 0x9bf817 in symbol_file_add_from_bfd (.../gdb/gdb+0x9bf817)
    #15 0x9bf872 in symbol_file_add (.../gdb/gdb+0x9bf872)
    #16 0x9bf93f in symbol_file_add_main_1 (.../gdb/gdb+0x9bf93f)
    #17 0x9c1243 in symbol_file_command (.../gdb/gdb+0x9c1243)
    #18 0xab2f64 in file_command (.../gdb/gdb+0xab2f64)
    #19 0x7d6222 in do_cfunc (.../gdb/gdb+0x7d6222)
    #20 0x7ddc42 in cmd_func (.../gdb/gdb+0x7ddc42)
    #21 0xc90b83 in execute_command (.../gdb/gdb+0xc90b83)
    #22 0xa43ba6 in command_handler (.../gdb/gdb+0xa43ba6)
    #23 0xa44794 in command_line_handler (.../gdb/gdb+0xa44794)
    #24 0xd64719 in rl_callback_read_char (.../gdb/gdb+0xd64719)
    #25 0xa43044 in rl_callback_read_char_wrapper (.../gdb/gdb+0xa43044)
    #26 0xa43a9b in stdin_event_handler (.../gdb/gdb+0xa43a9b)
    #27 0xa3ff33 in handle_file_event (.../gdb/gdb+0xa3ff33)
    #28 0xa3e2d9 in process_event (.../gdb/gdb+0xa3e2d9)
    #29 0xa3e398 in gdb_do_one_event (.../gdb/gdb+0xa3e398)
    #30 0xa3e44a in start_event_loop (.../gdb/gdb+0xa3e44a)
    #31 0xa43076 in cli_command_loop (.../gdb/gdb+0xa43076)
    #32 0xa2b1f6 in current_interp_command_loop (.../gdb/gdb+0xa2b1f6)
    #33 0xa2da12 in captured_command_loop (.../gdb/gdb+0xa2da12)
    #34 0xa24cdb in catch_errors (.../gdb/gdb+0xa24cdb)
    #35 0xa2f955 in captured_main (.../gdb/gdb+0xa2f955)
    #36 0xa24cdb in catch_errors (.../gdb/gdb+0xa24cdb)
    #37 0xa2f994 in gdb_main (.../gdb/gdb+0xa2f994)
    #38 0x49210e in main (.../gdb/gdb+0x49210e)
    #39 0x320e621d64 in __libc_start_main (/lib64/libc.so.6+0x320e621d64)
    #40 0x491ed8 (.../gdb/gdb+0x491ed8)
0x601c0000c5c0 is located 0 bytes to the right of 160-byte region
[0x601c0000c520,0x601c0000c5c0)

allocated by thread T0 here:
    #0 0x7fb859964219 (/lib64/libasan.so.0+0x16219)
    #1 0x1124f58 in bfd_simple_get_relocated_section_contents
(.../gdb/gdb+0x1124f58)
    #2 0x9ca87e in default_symfile_relocate (.../gdb/gdb+0x9ca87e)
    #3 0x9ca98d in symfile_relocate_debug_section (.../gdb/gdb+0x9ca98d)
    #4 0xaf5609 in dwarf2_read_section (.../gdb/gdb+0xaf5609)
    #5 0xb0ce07 in dwarf2_build_psymtabs_hard (.../gdb/gdb+0xb0ce07)
    #6 0xb000de in dwarf2_build_psymtabs (.../gdb/gdb+0xb000de)
    #7 0x86c39d in read_psyms (.../gdb/gdb+0x86c39d)
    #8 0x9b0dd7 in require_partial_symbols (.../gdb/gdb+0x9b0dd7)
    #9 0x9be470 in read_symbols (.../gdb/gdb+0x9be470)
    #10 0x9bf2ec in syms_from_objfile_1 (.../gdb/gdb+0x9bf2ec)
    #11 0x9bf334 in syms_from_objfile (.../gdb/gdb+0x9bf334)
    #12 0x9bf54e in symbol_file_add_with_addrs (.../gdb/gdb+0x9bf54e)
    #13 0x9bf817 in symbol_file_add_from_bfd (.../gdb/gdb+0x9bf817)
    #14 0x9bf872 in symbol_file_add (.../gdb/gdb+0x9bf872)
    #15 0x9bf93f in symbol_file_add_main_1 (.../gdb/gdb+0x9bf93f)
    #16 0x9c1243 in symbol_file_command (.../gdb/gdb+0x9c1243)
    #17 0xab2f64 in file_command (.../gdb/gdb+0xab2f64)
    #18 0x7d6222 in do_cfunc (.../gdb/gdb+0x7d6222)
    #19 0x7ddc42 in cmd_func (.../gdb/gdb+0x7ddc42)
    #20 0xc90b83 in execute_command (.../gdb/gdb+0xc90b83)
    #21 0xa43ba6 in command_handler (.../gdb/gdb+0xa43ba6)
    #22 0xa44794 in command_line_handler (.../gdb/gdb+0xa44794)
    #23 0xd64719 in rl_callback_read_char (.../gdb/gdb+0xd64719)
    #24 0xa43044 in rl_callback_read_char_wrapper (.../gdb/gdb+0xa43044)
    #25 0xa43a9b in stdin_event_handler (.../gdb/gdb+0xa43a9b)
    #26 0xa3ff33 in handle_file_event (.../gdb/gdb+0xa3ff33)
    #27 0xa3e2d9 in process_event (.../gdb/gdb+0xa3e2d9)
    #28 0xa3e398 in gdb_do_one_event (.../gdb/gdb+0xa3e398)
    #29 0xa3e44a in start_event_loop (.../gdb/gdb+0xa3e44a)
SUMMARY: AddressSanitizer: heap-buffer-overflow ??:0 simple_restore_output_info

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