.
Thread 1 (Thread 0x7fb5a8769740 (LWP 140752)):
#0  0x000055d3ab6b0cde in buffer_slab_peek (c=0x0, s=<optimized out>) at commit.c:290
No locals.
#1  get_cached_commit_buffer (r=r@entry=0x55d3ab8e0680 <the_repo>, commit=commit@entry=0x0, sizep=sizep@entry=0x0) at commit.c:290
        v = <optimized out>
#2  0x000055d3ab6b0d3b in repo_get_commit_buffer (r=r@entry=0x55d3ab8e0680 <the_repo>, commit=commit@entry=0x0, sizep=sizep@entry=0x0) at commit.c:306
        ret = <optimized out>
        type = <optimized out>
        size = <optimized out>
#3  0x000055d3ab73fb05 in repo_logmsg_reencode (r=r@entry=0x55d3ab8e0680 <the_repo>, commit=commit@entry=0x0, commit_encoding=commit_encoding@entry=0x7ffc63d83518, output_encoding=output_encoding@entry=0x55d3ab80257a "UTF-8") at pretty.c:614
        utf8 = 0x55d3ab80257a "UTF-8"
        use_encoding = <optimized out>
        encoding = <optimized out>
        msg = <optimized out>
        out = <optimized out>
#4  0x000055d3ab7417f4 in repo_format_commit_message (r=0x55d3ab8e0680 <the_repo>, commit=commit@entry=0x0, format=format@entry=0x55d3ab815233 "%s", sb=sb@entry=0x7ffc63d83610, pretty_ctx=pretty_ctx@entry=0x7ffc63d83630) at pretty.c:1640
        context = {
          commit = 0x0,
          pretty_ctx = 0x7ffc63d83630,
          commit_header_parsed = 0,
          commit_message_parsed = 0,
          signature_check = {
            payload = 0x0,
            gpg_output = 0x0,
            gpg_status = 0x0,
            result = 0 '\000',
            signer = 0x0,
            key = 0x0,
            fingerprint = 0x0,
            primary_key_fingerprint = 0x0
          },
          flush_type = no_flush,
          truncate = trunc_none,
          message = 0x0,
          commit_encoding = 0x0,
          width = 0,
          indent1 = 0,
          indent2 = 0,
          auto_color = 0,
          padding = 0,
          author = {
            off = 0,
            len = 0
          },
          committer = {
            off = 0,
            len = 0
          },
          message_off = 0,
          subject_off = 0,
          body_off = 0,
          wrap_start = 0
        }
        output_enc = 0x0
        utf8 = 0x55d3ab80257a "UTF-8"
#5  0x000055d3ab5e0466 in log_commit (fmt=0x55d3ab815233 "%s", commit=0x0, state=0x55d3ac771140 "bad", fp=0x55d3ac76fa10) at builtin/bisect--helper.c:193
        pp = {
          fmt = CMIT_FMT_RAW,
          abbrev = 0,
          after_subject = 0x0,
          preserve_subject = 0,
          date_mode = {
            type = DATE_NORMAL,
            strftime_fmt = 0x0,
            local = 0
          },
          date_mode_explicit = 0,
          print_email_subject = 0,
          expand_tabs_in_log = 0,
          need_8bit_cte = 0,
          notes_message = 0x0,
          reflog_info = 0x0,
          rev = 0x0,
          output_encoding = 0x0,
          mailmap = 0x0,
          color = 0,
          from_ident = 0x0,
          in_body_headers = {
            items = 0x0,
            nr = 0,
            alloc = 0,
            strdup_strings = 0,
            cmp = 0x0
          },
          graph_width = 0
        }
        commit_msg = {
          alloc = 0,
          len = 0,
          buf = 0x55d3ab8f14a0 <strbuf_slopbuf> ""
        }
        label = 0x55d3ac7adf70 "bad"
        pp = <optimized out>
        commit_msg = <optimized out>
        label = <optimized out>
#6  bisect_write (state=0x55d3ac771140 "bad", rev=0x55d3ac770f70 '0' <repeats 40 times>, nolog=nolog@entry=1, terms=<optimized out>, terms=<optimized out>) at builtin/bisect--helper.c:238
        tag = {
          alloc = 65,
          len = 15,
          buf = 0x55d3ac7752e0 "refs/bisect/bad"
        }
        oid = {
          hash = '\000' <repeats 20 times>, "\323U\000\000\210\bj\253\323U\000"
        }
        commit = 0x0
        fp = 0x55d3ac76fa10
        retval = 0
#7  0x000055d3ab5e13c5 in bisect_start (argc=<optimized out>, argv=..., no_checkout=<optimized out>, terms=0x7ffc63d83770) at builtin/bisect--helper.c:590
        i = 0
        retval = 0
        revs = {
          items = 0x55d3ac770fb0,
          nr = 1,
          alloc = 24,
          strdup_strings = 1,
          cmp = 0x0
        }
        head = <optimized out>
        must_write_terms = <optimized out>
        bad_seen = <optimized out>
        pathspec_pos = <optimized out>
        start_head = {
          alloc = 8193,
          len = 26,
          buf = 0x55d3ac772dc0 "username/refactor_persist_event"
        }
        oid = {
          hash = '\000' <repeats 25 times>, "Q\351\234[\242", <incomplete sequence \374>
        }
        has_double_dash = <optimized out>
        flags = 1
        states = {
          items = 0x55d3ac771160,
          nr = 1,
          alloc = 24,
          strdup_strings = 1,
          cmp = 0x0
        }
        bisect_names = {
          alloc = 0,
          len = 0,
          buf = 0x55d3ab8f14a0 <strbuf_slopbuf> ""
        }
        head_oid = {
          hash = "`q\017\004\037=\310|\231\260\347\064H\026\247zby\004b", '\000' <repeats 11 times>
        }
        i = <optimized out>
        has_double_dash = <optimized out>
        must_write_terms = <optimized out>
        bad_seen = <optimized out>
        flags = <optimized out>
        pathspec_pos = <optimized out>
        retval = <optimized out>
        revs = <optimized out>
        states = <optimized out>
        start_head = <optimized out>
        bisect_names = <optimized out>
        head_oid = <optimized out>
        oid = <optimized out>
        head = <optimized out>
        arg = <optimized out>
        commit_id = <optimized out>
        argv = <optimized out>
#8  cmd_bisect__helper (argc=<optimized out>, argv=0x7ffc63d84070, prefix=<optimized out>) at builtin/bisect--helper.c:708
        cmdmode = BISECT_START
        no_checkout = 0
        res = 0
        nolog = 0
        options = {{
            type = OPTION_CMDMODE,
            short_name = 0,
            long_name = 0x55d3ab7f6be9 "next-all",
            value = 0x7ffc63d83760,
            argh = 0x0,
            help = 0x55d3ab7f6bf2 "perform 'git bisect next'",
            flags = 6,
            callback = 0x0,
            defval = 1,
            ll_callback = 0x0,
            extra = 0
          }, {
            type = OPTION_CMDMODE,
            short_name = 0,
            long_name = 0x55d3ab7f6c0c "write-terms",
            value = 0x7ffc63d83760,
            argh = 0x0,
            help = 0x55d3ab7f6f88 "write the terms to .git/BISECT_TERMS",
            flags = 6,
            callback = 0x0,
            defval = 2,
            ll_callback = 0x0,
            extra = 0
          }, {
            type = OPTION_CMDMODE,
            short_name = 0,
            long_name = 0x55d3ab7f6c18 "bisect-clean-state",
            value = 0x7ffc63d83760,
            argh = 0x0,
            help = 0x55d3ab7f6c2b "cleanup the bisection state",
            flags = 6,
            callback = 0x0,
            defval = 3,
            ll_callback = 0x0,
            extra = 0
          }, {
            type = OPTION_CMDMODE,
            short_name = 0,
            long_name = 0x55d3ab7f6c47 "check-expected-revs",
            value = 0x7ffc63d83760,
            argh = 0x0,
            help = 0x55d3ab7f6c5b "check for expected revs",
            flags = 6,
            callback = 0x0,
            defval = 4,
            ll_callback = 0x0,
            extra = 0
          }, {
            type = OPTION_CMDMODE,
            short_name = 0,
            long_name = 0x55d3ab7f6c73 "bisect-reset",
            value = 0x7ffc63d83760,
            argh = 0x0,
            help = 0x55d3ab7f6c80 "reset the bisection state",
            flags = 6,
            callback = 0x0,
            defval = 5,
            ll_callback = 0x0,
            extra = 0
          }, {
            type = OPTION_CMDMODE,
            short_name = 0,
            long_name = 0x55d3ab7f6c9a "bisect-write",
            value = 0x7ffc63d83760,
            argh = 0x0,
            help = 0x55d3ab7f6fb0 "write out the bisection state in BISECT_LOG",
            flags = 6,
            callback = 0x0,
            defval = 6,
            ll_callback = 0x0,
            extra = 0
          }, {
            type = OPTION_CMDMODE,
            short_name = 0,
            long_name = 0x55d3ab7f6ca7 "check-and-set-terms",
            value = 0x7ffc63d83760,
            argh = 0x0,
            help = 0x55d3ab7f6fe0 "check and set terms in a bisection state",
            flags = 6,
            callback = 0x0,
            defval = 7,
            ll_callback = 0x0,
            extra = 0
          }, {
            type = OPTION_CMDMODE,
            short_name = 0,
            long_name = 0x55d3ab7f6cbb "bisect-next-check",
            value = 0x7ffc63d83760,
            argh = 0x0,
            help = 0x55d3ab7f7010 "check whether bad or good terms exist",
            flags = 6,
            callback = 0x0,
            defval = 8,
            ll_callback = 0x0,
            extra = 0
          }, {
            type = OPTION_CMDMODE,
            short_name = 0,
            long_name = 0x55d3ab7f6ccd "bisect-terms",
            value = 0x7ffc63d83760,
            argh = 0x0,
            help = 0x55d3ab7f6cda "print out the bisect terms",
            flags = 6,
            callback = 0x0,
            defval = 9,
            ll_callback = 0x0,
            extra = 0
          }, {
            type = OPTION_CMDMODE,
            short_name = 0,
            long_name = 0x55d3ab7f6cf5 "bisect-start",
            value = 0x7ffc63d83760,
            argh = 0x0,
            help = 0x55d3ab7f6d02 "start the bisect session",
            flags = 6,
            callback = 0x0,
            defval = 10,
            ll_callback = 0x0,
            extra = 0
          }, {
            type = OPTION_SET_INT,
            short_name = 0,
            long_name = 0x55d3ab7f6e1e "no-checkout",
            value = 0x7ffc63d83764,
            argh = 0x0,
            help = 0x55d3ab7f7038 "update BISECT_HEAD instead of checking out the current commit",
            flags = 2,
            callback = 0x0,
            defval = 1,
            ll_callback = 0x0,
            extra = 0
          }, {
            type = OPTION_SET_INT,
            short_name = 0,
            long_name = 0x55d3ab83fad3 "no-log",
            value = 0x7ffc63d83768,
            argh = 0x0,
            help = 0x55d3ab7f6d1b "no log for BISECT_WRITE",
            flags = 2,
            callback = 0x0,
            defval = 1,
            ll_callback = 0x0,
            extra = 0
          }, {
            type = OPTION_END,
            short_name = 0,
            long_name = 0x0,
            value = 0x0,
            argh = 0x0,
            help = 0x0,
            flags = 0,
            callback = 0x0,
            defval = 0,
            ll_callback = 0x0,
            extra = 0
          }}
        terms = {
          term_good = 0x55d3ac770b60 "good",
          term_bad = 0x55d3ac770d70 "bad"
        }
#9  0x000055d3ab5d62d4 in run_builtin (argv=<optimized out>, argc=<optimized out>, p=<optimized out>) at git.c:444
        status = <optimized out>
        help = <optimized out>
        st = {
          st_dev = 94367603925921,
          st_ino = 140418192495665,
          st_nlink = 94367619942176,
          st_mode = 359,
          st_uid = 0,
          st_gid = 2893481760,
          __pad0 = 21971,
          st_rdev = 4294967296,
          st_size = 0,
          st_blksize = -283266787189370624,
          st_blocks = 0,
          st_atim = {
            tv_sec = 140721983602032,
            tv_nsec = 94367619938768
          },
          st_mtim = {
            tv_sec = 140721983610265,
            tv_nsec = 140721983602032
          },
          st_ctim = {
            tv_sec = 0,
            tv_nsec = 0
          },
          __glibc_reserved = {94367603355997, 94367603702656, 94367602634542}
        }
        prefix = <optimized out>
        status = <optimized out>
        help = <optimized out>
        st = <optimized out>
        prefix = <optimized out>
        nongit_ok = <optimized out>
#10 handle_builtin (argc=<optimized out>, argv=<optimized out>) at git.c:674
        args = {
          argv = 0x55d3ab8bc2a0 <empty_argv>,
          argc = 0,
          alloc = 0
        }
        cmd = <optimized out>
        builtin = 0x55d3ab89d098 <commands+120>
#11 0x000055d3ab5d7394 in run_argv (argv=0x7ffc63d83dc0, argcp=0x7ffc63d83dcc) at git.c:741
        done_alias = 0
        cmd_list = {
          items = 0x0,
          nr = 0,
          alloc = 0,
          strdup_strings = 0,
          cmp = 0x0
        }
        seen = <optimized out>
        done_alias = <optimized out>
        cmd_list = <optimized out>
        seen = <optimized out>
        args = <optimized out>
        i = <optimized out>
        i = <optimized out>
        sb = <optimized out>
        item = <optimized out>
#12 cmd_main (argc=<optimized out>, argv=<optimized out>) at git.c:872
        was_alias = <optimized out>
        cmd = 0x7ffc63d84d6f "bisect--helper"
        done_help = <optimized out>
#13 0x000055d3ab5d5e7e in main (argc=4, argv=0x7ffc63d84068) at common-main.c:52
        result = <optimized out>