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([49.204.85.206]) by smtp.gmail.com with ESMTPSA id i9-20020a170902eb4900b001a1b808c1d8sm12580444pli.245.2023.05.14.23.54.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 14 May 2023 23:54:25 -0700 (PDT) From: Deepthi Hemraj To: openembedded-core@lists.openembedded.org Cc: rwmacleod@gmail.com, umesh.kalappa0@gmail.com, pgowda.cve@gmail.com, shivams@gmail.com, sundeep.kokkonda@gmail.com Subject: [kirkstone][PATCH] binutils : Fix CVE-2023-25584 Date: Mon, 15 May 2023 12:24:18 +0530 Message-Id: <20230515065418.1439677-1-deepadeepthi98@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Mon, 15 May 2023 06:54:30 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/181230 Upstream-Status: Backport [https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff_plain;h=c9178f285acf19e066be8367185d52837161b0a2] CVE-2023-25584 Signed-off-by: Deepthi Hemraj --- .../binutils/binutils-2.38.inc | 9 +- .../binutils/0027-CVE-2023-25584-1.patch | 56 ++ .../binutils/0027-CVE-2023-25584-2.patch | 33 ++ .../binutils/0027-CVE-2023-25584-3.patch | 533 ++++++++++++++++++ 4 files changed, 625 insertions(+), 6 deletions(-) create mode 100644 meta/recipes-devtools/binutils/binutils/0027-CVE-2023-25584-1.patch create mode 100644 meta/recipes-devtools/binutils/binutils/0027-CVE-2023-25584-2.patch create mode 100644 meta/recipes-devtools/binutils/binutils/0027-CVE-2023-25584-3.patch diff --git a/meta/recipes-devtools/binutils/binutils-2.38.inc b/meta/recipes-devtools/binutils/binutils-2.38.inc index 5c3ff3d93a..9a54071ed4 100644 --- a/meta/recipes-devtools/binutils/binutils-2.38.inc +++ b/meta/recipes-devtools/binutils/binutils-2.38.inc @@ -50,11 +50,8 @@ SRC_URI = "\ file://0021-CVE-2023-1579-2.patch \ file://0021-CVE-2023-1579-3.patch \ file://0021-CVE-2023-1579-4.patch \ - file://0022-CVE-2023-25584-1.patch \ - file://0022-CVE-2023-25584-2.patch \ - file://0022-CVE-2023-25584-3.patch \ - file://0023-CVE-2023-25585.patch \ - file://0026-CVE-2023-1972.patch \ - file://0025-CVE-2023-25588.patch \ + file://0027-CVE-2023-25584-1.patch \ + file://0027-CVE-2023-25584-2.patch \ + file://0027-CVE-2023-25584-3.patch \ " S = "${WORKDIR}/git" diff --git a/meta/recipes-devtools/binutils/binutils/0027-CVE-2023-25584-1.patch b/meta/recipes-devtools/binutils/binutils/0027-CVE-2023-25584-1.patch new file mode 100644 index 0000000000..8d4b670829 --- /dev/null +++ b/meta/recipes-devtools/binutils/binutils/0027-CVE-2023-25584-1.patch @@ -0,0 +1,56 @@ +From: Alan Modra +Date: Thu, 17 Mar 2022 09:35:39 +0000 (+1030) +Subject: ubsan: Null dereference in parse_module +X-Git-Tag: gdb-12.1-release~59 +X-Git-Url: https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff_plain;h=c9178f285acf19e066be8367185d52837161b0a2 + +ubsan: Null dereference in parse_module + + * vms-alpha.c (parse_module): Sanity check that DST__K_RTNBEG + has set module->func_table for DST__K_RTNEND. Check return + of bfd_zalloc. + +Upstream-Status: Backport [https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff_plain;h=c9178f285acf19e066be8367185d52837161b0a2] + +CVE-2023-25584 + +Signed-off-by: Deepthi Hemraj + +--- + +diff --git a/bfd/vms-alpha.c b/bfd/vms-alpha.c +index 4a92574c850..1129c98f0e2 100644 +--- a/bfd/vms-alpha.c ++++ b/bfd/vms-alpha.c +@@ -4352,9 +4352,13 @@ parse_module (bfd *abfd, struct module *module, unsigned char *ptr, + + /* Initialize tables with zero element. */ + curr_srec = (struct srecinfo *) bfd_zalloc (abfd, sizeof (struct srecinfo)); ++ if (!curr_srec) ++ return false; + module->srec_table = curr_srec; + + curr_line = (struct lineinfo *) bfd_zalloc (abfd, sizeof (struct lineinfo)); ++ if (!curr_line) ++ return false; + module->line_table = curr_line; + + while (length == -1 || ptr < maxptr) +@@ -4389,6 +4393,8 @@ parse_module (bfd *abfd, struct module *module, unsigned char *ptr, + case DST__K_RTNBEG: + funcinfo = (struct funcinfo *) + bfd_zalloc (abfd, sizeof (struct funcinfo)); ++ if (!funcinfo) ++ return false; + funcinfo->name + = _bfd_vms_save_counted_string (abfd, ptr + DST_S_B_RTNBEG_NAME, + maxptr - (ptr + DST_S_B_RTNBEG_NAME)); +@@ -4401,6 +4407,8 @@ parse_module (bfd *abfd, struct module *module, unsigned char *ptr, + break; + + case DST__K_RTNEND: ++ if (!module->func_table) ++ return false; + module->func_table->high = module->func_table->low + + bfd_getl32 (ptr + DST_S_L_RTNEND_SIZE) - 1; + diff --git a/meta/recipes-devtools/binutils/binutils/0027-CVE-2023-25584-2.patch b/meta/recipes-devtools/binutils/binutils/0027-CVE-2023-25584-2.patch new file mode 100644 index 0000000000..399519cbf8 --- /dev/null +++ b/meta/recipes-devtools/binutils/binutils/0027-CVE-2023-25584-2.patch @@ -0,0 +1,33 @@ +From: Nick Clifton +Date: Mon, 5 Dec 2022 11:11:44 +0000 (+0000) +Subject: Fix an illegal memory access when parsing a corrupt VMS Alpha file. +X-Git-Tag: gdb-13-branchpoint~160 +X-Git-Url: https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff_plain;h=942fa4fb32738ecbb447546d54f1e5f0312d2ed4 + +Fix an illegal memory access when parsing a corrupt VMS Alpha file. + + PR 29848 + * vms-alpha.c (parse_module): Fix potential out of bounds memory + access. + +Upstream-Status: Backport [https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff_plain;h=942fa4fb32738ecbb447546d54f1e5f0312d2ed4] + +CVE-2023-25584 + +Signed-off-by: Deepthi Hemraj + +--- + +diff --git a/bfd/vms-alpha.c b/bfd/vms-alpha.c +index 9531953bb6d..c0eb5bc5a2a 100644 +--- a/bfd/vms-alpha.c ++++ b/bfd/vms-alpha.c +@@ -4366,7 +4366,7 @@ parse_module (bfd *abfd, struct module *module, unsigned char *ptr, + return false; + module->line_table = curr_line; + +- while (length == -1 || ptr < maxptr) ++ while (length == -1 || (ptr + 3) < maxptr) + { + /* The first byte is not counted in the recorded length. */ + int rec_length = bfd_getl16 (ptr) + 1; diff --git a/meta/recipes-devtools/binutils/binutils/0027-CVE-2023-25584-3.patch b/meta/recipes-devtools/binutils/binutils/0027-CVE-2023-25584-3.patch new file mode 100644 index 0000000000..5e9da47206 --- /dev/null +++ b/meta/recipes-devtools/binutils/binutils/0027-CVE-2023-25584-3.patch @@ -0,0 +1,533 @@ +From: Alan Modra +Date: Mon, 12 Dec 2022 07:58:49 +0000 (+1030) +Subject: Lack of bounds checking in vms-alpha.c parse_module +X-Git-Tag: gdb-13-branchpoint~87 +X-Git-Url: https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff_plain;h=77c225bdeb410cf60da804879ad41622f5f1aa44 + +Lack of bounds checking in vms-alpha.c parse_module + + PR 29873 + PR 29874 + PR 29875 + PR 29876 + PR 29877 + PR 29878 + PR 29879 + PR 29880 + PR 29881 + PR 29882 + PR 29883 + PR 29884 + PR 29885 + PR 29886 + PR 29887 + PR 29888 + PR 29889 + PR 29890 + PR 29891 + * vms-alpha.c (parse_module): Make length param bfd_size_type. + Delete length == -1 checks. Sanity check record_length. + Sanity check DST__K_MODBEG, DST__K_RTNBEG, DST__K_RTNEND lengths. + Sanity check DST__K_SOURCE and DST__K_LINE_NUM elements + before accessing. + (build_module_list): Pass dst_section size to parse_module. + +Upstream-Status: Backport [https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff_plain;h=77c225bdeb410cf60da804879ad41622f5f1aa44] + +CVE-2023-25584 + +Signed-off-by: Deepthi Hemraj +--- + +diff --git a/bfd/vms-alpha.c b/bfd/vms-alpha.c +index c0eb5bc5a2a..3b63259cc81 100644 +--- a/bfd/vms-alpha.c ++++ b/bfd/vms-alpha.c +@@ -4345,7 +4345,7 @@ new_module (bfd *abfd) + + static bool + parse_module (bfd *abfd, struct module *module, unsigned char *ptr, +- int length) ++ bfd_size_type length) + { + unsigned char *maxptr = ptr + length; + unsigned char *src_ptr, *pcl_ptr; +@@ -4366,7 +4366,7 @@ parse_module (bfd *abfd, struct module *module, unsigned char *ptr, + return false; + module->line_table = curr_line; + +- while (length == -1 || (ptr + 3) < maxptr) ++ while (ptr + 3 < maxptr) + { + /* The first byte is not counted in the recorded length. */ + int rec_length = bfd_getl16 (ptr) + 1; +@@ -4374,15 +4374,19 @@ parse_module (bfd *abfd, struct module *module, unsigned char *ptr, + + vms_debug2 ((2, "DST record: leng %d, type %d\n", rec_length, rec_type)); + +- if (length == -1 && rec_type == DST__K_MODEND) ++ if (rec_length > maxptr - ptr) ++ break; ++ if (rec_type == DST__K_MODEND) + break; + + switch (rec_type) + { + case DST__K_MODBEG: ++ if (rec_length <= DST_S_B_MODBEG_NAME) ++ break; + module->name + = _bfd_vms_save_counted_string (abfd, ptr + DST_S_B_MODBEG_NAME, +- maxptr - (ptr + DST_S_B_MODBEG_NAME)); ++ rec_length - DST_S_B_MODBEG_NAME); + + curr_pc = 0; + prev_pc = 0; +@@ -4396,13 +4400,15 @@ parse_module (bfd *abfd, struct module *module, unsigned char *ptr, + break; + + case DST__K_RTNBEG: ++ if (rec_length <= DST_S_B_RTNBEG_NAME) ++ break; + funcinfo = (struct funcinfo *) + bfd_zalloc (abfd, sizeof (struct funcinfo)); + if (!funcinfo) + return false; + funcinfo->name + = _bfd_vms_save_counted_string (abfd, ptr + DST_S_B_RTNBEG_NAME, +- maxptr - (ptr + DST_S_B_RTNBEG_NAME)); ++ rec_length - DST_S_B_RTNBEG_NAME); + funcinfo->low = bfd_getl32 (ptr + DST_S_L_RTNBEG_ADDRESS); + funcinfo->next = module->func_table; + module->func_table = funcinfo; +@@ -4412,6 +4418,8 @@ parse_module (bfd *abfd, struct module *module, unsigned char *ptr, + break; + + case DST__K_RTNEND: ++ if (rec_length < DST_S_L_RTNEND_SIZE + 4) ++ break; + if (!module->func_table) + return false; + module->func_table->high = module->func_table->low +@@ -4444,10 +4452,63 @@ parse_module (bfd *abfd, struct module *module, unsigned char *ptr, + + vms_debug2 ((3, "source info\n")); + +- while (src_ptr < ptr + rec_length) ++ while (src_ptr - ptr < rec_length) + { + int cmd = src_ptr[0], cmd_length, data; + ++ switch (cmd) ++ { ++ case DST__K_SRC_DECLFILE: ++ if (src_ptr - ptr + DST_S_B_SRC_DF_LENGTH >= rec_length) ++ cmd_length = 0x10000; ++ else ++ cmd_length = src_ptr[DST_S_B_SRC_DF_LENGTH] + 2; ++ break; ++ ++ case DST__K_SRC_DEFLINES_B: ++ cmd_length = 2; ++ break; ++ ++ case DST__K_SRC_DEFLINES_W: ++ cmd_length = 3; ++ break; ++ ++ case DST__K_SRC_INCRLNUM_B: ++ cmd_length = 2; ++ break; ++ ++ case DST__K_SRC_SETFILE: ++ cmd_length = 3; ++ break; ++ ++ case DST__K_SRC_SETLNUM_L: ++ cmd_length = 5; ++ break; ++ ++ case DST__K_SRC_SETLNUM_W: ++ cmd_length = 3; ++ break; ++ ++ case DST__K_SRC_SETREC_L: ++ cmd_length = 5; ++ break; ++ ++ case DST__K_SRC_SETREC_W: ++ cmd_length = 3; ++ break; ++ ++ case DST__K_SRC_FORMFEED: ++ cmd_length = 1; ++ break; ++ ++ default: ++ cmd_length = 2; ++ break; ++ } ++ ++ if (src_ptr - ptr + cmd_length > rec_length) ++ break; ++ + switch (cmd) + { + case DST__K_SRC_DECLFILE: +@@ -4472,7 +4533,6 @@ parse_module (bfd *abfd, struct module *module, unsigned char *ptr, + + module->file_table [fileid].name = filename; + module->file_table [fileid].srec = 1; +- cmd_length = src_ptr[DST_S_B_SRC_DF_LENGTH] + 2; + vms_debug2 ((4, "DST_S_C_SRC_DECLFILE: %d, %s\n", + fileid, module->file_table [fileid].name)); + } +@@ -4489,7 +4549,6 @@ parse_module (bfd *abfd, struct module *module, unsigned char *ptr, + srec->sfile = curr_srec->sfile; + curr_srec->next = srec; + curr_srec = srec; +- cmd_length = 2; + vms_debug2 ((4, "DST_S_C_SRC_DEFLINES_B: %d\n", data)); + break; + +@@ -4504,14 +4563,12 @@ parse_module (bfd *abfd, struct module *module, unsigned char *ptr, + srec->sfile = curr_srec->sfile; + curr_srec->next = srec; + curr_srec = srec; +- cmd_length = 3; + vms_debug2 ((4, "DST_S_C_SRC_DEFLINES_W: %d\n", data)); + break; + + case DST__K_SRC_INCRLNUM_B: + data = src_ptr[DST_S_B_SRC_UNSBYTE]; + curr_srec->line += data; +- cmd_length = 2; + vms_debug2 ((4, "DST_S_C_SRC_INCRLNUM_B: %d\n", data)); + break; + +@@ -4519,21 +4576,18 @@ parse_module (bfd *abfd, struct module *module, unsigned char *ptr, + data = bfd_getl16 (src_ptr + DST_S_W_SRC_UNSWORD); + curr_srec->sfile = data; + curr_srec->srec = module->file_table[data].srec; +- cmd_length = 3; + vms_debug2 ((4, "DST_S_C_SRC_SETFILE: %d\n", data)); + break; + + case DST__K_SRC_SETLNUM_L: + data = bfd_getl32 (src_ptr + DST_S_L_SRC_UNSLONG); + curr_srec->line = data; +- cmd_length = 5; + vms_debug2 ((4, "DST_S_C_SRC_SETLNUM_L: %d\n", data)); + break; + + case DST__K_SRC_SETLNUM_W: + data = bfd_getl16 (src_ptr + DST_S_W_SRC_UNSWORD); + curr_srec->line = data; +- cmd_length = 3; + vms_debug2 ((4, "DST_S_C_SRC_SETLNUM_W: %d\n", data)); + break; + +@@ -4541,7 +4595,6 @@ parse_module (bfd *abfd, struct module *module, unsigned char *ptr, + data = bfd_getl32 (src_ptr + DST_S_L_SRC_UNSLONG); + curr_srec->srec = data; + module->file_table[curr_srec->sfile].srec = data; +- cmd_length = 5; + vms_debug2 ((4, "DST_S_C_SRC_SETREC_L: %d\n", data)); + break; + +@@ -4549,19 +4602,16 @@ parse_module (bfd *abfd, struct module *module, unsigned char *ptr, + data = bfd_getl16 (src_ptr + DST_S_W_SRC_UNSWORD); + curr_srec->srec = data; + module->file_table[curr_srec->sfile].srec = data; +- cmd_length = 3; + vms_debug2 ((4, "DST_S_C_SRC_SETREC_W: %d\n", data)); + break; + + case DST__K_SRC_FORMFEED: +- cmd_length = 1; + vms_debug2 ((4, "DST_S_C_SRC_FORMFEED\n")); + break; + + default: + _bfd_error_handler (_("unknown source command %d"), + cmd); +- cmd_length = 2; + break; + } + +@@ -4574,18 +4624,114 @@ parse_module (bfd *abfd, struct module *module, unsigned char *ptr, + + vms_debug2 ((3, "line info\n")); + +- while (pcl_ptr < ptr + rec_length) ++ while (pcl_ptr - ptr < rec_length) + { + /* The command byte is signed so we must sign-extend it. */ + int cmd = ((signed char *)pcl_ptr)[0], cmd_length, data; + ++ switch (cmd) ++ { ++ case DST__K_DELTA_PC_W: ++ cmd_length = 3; ++ break; ++ ++ case DST__K_DELTA_PC_L: ++ cmd_length = 5; ++ break; ++ ++ case DST__K_INCR_LINUM: ++ cmd_length = 2; ++ break; ++ ++ case DST__K_INCR_LINUM_W: ++ cmd_length = 3; ++ break; ++ ++ case DST__K_INCR_LINUM_L: ++ cmd_length = 5; ++ break; ++ ++ case DST__K_SET_LINUM_INCR: ++ cmd_length = 2; ++ break; ++ ++ case DST__K_SET_LINUM_INCR_W: ++ cmd_length = 3; ++ break; ++ ++ case DST__K_RESET_LINUM_INCR: ++ cmd_length = 1; ++ break; ++ ++ case DST__K_BEG_STMT_MODE: ++ cmd_length = 1; ++ break; ++ ++ case DST__K_END_STMT_MODE: ++ cmd_length = 1; ++ break; ++ ++ case DST__K_SET_LINUM_B: ++ cmd_length = 2; ++ break; ++ ++ case DST__K_SET_LINUM: ++ cmd_length = 3; ++ break; ++ ++ case DST__K_SET_LINUM_L: ++ cmd_length = 5; ++ break; ++ ++ case DST__K_SET_PC: ++ cmd_length = 2; ++ break; ++ ++ case DST__K_SET_PC_W: ++ cmd_length = 3; ++ break; ++ ++ case DST__K_SET_PC_L: ++ cmd_length = 5; ++ break; ++ ++ case DST__K_SET_STMTNUM: ++ cmd_length = 2; ++ break; ++ ++ case DST__K_TERM: ++ cmd_length = 2; ++ break; ++ ++ case DST__K_TERM_W: ++ cmd_length = 3; ++ break; ++ ++ case DST__K_TERM_L: ++ cmd_length = 5; ++ break; ++ ++ case DST__K_SET_ABS_PC: ++ cmd_length = 5; ++ break; ++ ++ default: ++ if (cmd <= 0) ++ cmd_length = 1; ++ else ++ cmd_length = 2; ++ break; ++ } ++ ++ if (pcl_ptr - ptr + cmd_length > rec_length) ++ break; ++ + switch (cmd) + { + case DST__K_DELTA_PC_W: + data = bfd_getl16 (pcl_ptr + DST_S_W_PCLINE_UNSWORD); + curr_pc += data; + curr_linenum += 1; +- cmd_length = 3; + vms_debug2 ((4, "DST__K_DELTA_PC_W: %d\n", data)); + break; + +@@ -4593,131 +4739,111 @@ parse_module (bfd *abfd, struct module *module, unsigned char *ptr, + data = bfd_getl32 (pcl_ptr + DST_S_L_PCLINE_UNSLONG); + curr_pc += data; + curr_linenum += 1; +- cmd_length = 5; + vms_debug2 ((4, "DST__K_DELTA_PC_L: %d\n", data)); + break; + + case DST__K_INCR_LINUM: + data = pcl_ptr[DST_S_B_PCLINE_UNSBYTE]; + curr_linenum += data; +- cmd_length = 2; + vms_debug2 ((4, "DST__K_INCR_LINUM: %d\n", data)); + break; + + case DST__K_INCR_LINUM_W: + data = bfd_getl16 (pcl_ptr + DST_S_W_PCLINE_UNSWORD); + curr_linenum += data; +- cmd_length = 3; + vms_debug2 ((4, "DST__K_INCR_LINUM_W: %d\n", data)); + break; + + case DST__K_INCR_LINUM_L: + data = bfd_getl32 (pcl_ptr + DST_S_L_PCLINE_UNSLONG); + curr_linenum += data; +- cmd_length = 5; + vms_debug2 ((4, "DST__K_INCR_LINUM_L: %d\n", data)); + break; + + case DST__K_SET_LINUM_INCR: + _bfd_error_handler + (_("%s not implemented"), "DST__K_SET_LINUM_INCR"); +- cmd_length = 2; + break; + + case DST__K_SET_LINUM_INCR_W: + _bfd_error_handler + (_("%s not implemented"), "DST__K_SET_LINUM_INCR_W"); +- cmd_length = 3; + break; + + case DST__K_RESET_LINUM_INCR: + _bfd_error_handler + (_("%s not implemented"), "DST__K_RESET_LINUM_INCR"); +- cmd_length = 1; + break; + + case DST__K_BEG_STMT_MODE: + _bfd_error_handler + (_("%s not implemented"), "DST__K_BEG_STMT_MODE"); +- cmd_length = 1; + break; + + case DST__K_END_STMT_MODE: + _bfd_error_handler + (_("%s not implemented"), "DST__K_END_STMT_MODE"); +- cmd_length = 1; + break; + + case DST__K_SET_LINUM_B: + data = pcl_ptr[DST_S_B_PCLINE_UNSBYTE]; + curr_linenum = data; +- cmd_length = 2; + vms_debug2 ((4, "DST__K_SET_LINUM_B: %d\n", data)); + break; + + case DST__K_SET_LINUM: + data = bfd_getl16 (pcl_ptr + DST_S_W_PCLINE_UNSWORD); + curr_linenum = data; +- cmd_length = 3; + vms_debug2 ((4, "DST__K_SET_LINE_NUM: %d\n", data)); + break; + + case DST__K_SET_LINUM_L: + data = bfd_getl32 (pcl_ptr + DST_S_L_PCLINE_UNSLONG); + curr_linenum = data; +- cmd_length = 5; + vms_debug2 ((4, "DST__K_SET_LINUM_L: %d\n", data)); + break; + + case DST__K_SET_PC: + _bfd_error_handler + (_("%s not implemented"), "DST__K_SET_PC"); +- cmd_length = 2; + break; + + case DST__K_SET_PC_W: + _bfd_error_handler + (_("%s not implemented"), "DST__K_SET_PC_W"); +- cmd_length = 3; + break; + + case DST__K_SET_PC_L: + _bfd_error_handler + (_("%s not implemented"), "DST__K_SET_PC_L"); +- cmd_length = 5; + break; + + case DST__K_SET_STMTNUM: + _bfd_error_handler + (_("%s not implemented"), "DST__K_SET_STMTNUM"); +- cmd_length = 2; + break; + + case DST__K_TERM: + data = pcl_ptr[DST_S_B_PCLINE_UNSBYTE]; + curr_pc += data; +- cmd_length = 2; + vms_debug2 ((4, "DST__K_TERM: %d\n", data)); + break; + + case DST__K_TERM_W: + data = bfd_getl16 (pcl_ptr + DST_S_W_PCLINE_UNSWORD); + curr_pc += data; +- cmd_length = 3; + vms_debug2 ((4, "DST__K_TERM_W: %d\n", data)); + break; + + case DST__K_TERM_L: + data = bfd_getl32 (pcl_ptr + DST_S_L_PCLINE_UNSLONG); + curr_pc += data; +- cmd_length = 5; + vms_debug2 ((4, "DST__K_TERM_L: %d\n", data)); + break; + + case DST__K_SET_ABS_PC: + data = bfd_getl32 (pcl_ptr + DST_S_L_PCLINE_UNSLONG); + curr_pc = data; +- cmd_length = 5; + vms_debug2 ((4, "DST__K_SET_ABS_PC: 0x%x\n", data)); + break; + +@@ -4726,15 +4852,11 @@ parse_module (bfd *abfd, struct module *module, unsigned char *ptr, + { + curr_pc -= cmd; + curr_linenum += 1; +- cmd_length = 1; + vms_debug2 ((4, "bump pc to 0x%lx and line to %d\n", + (unsigned long)curr_pc, curr_linenum)); + } + else +- { +- _bfd_error_handler (_("unknown line command %d"), cmd); +- cmd_length = 2; +- } ++ _bfd_error_handler (_("unknown line command %d"), cmd); + break; + } + +@@ -4864,7 +4986,8 @@ build_module_list (bfd *abfd) + return NULL; + + module = new_module (abfd); +- if (!parse_module (abfd, module, PRIV (dst_section)->contents, -1)) ++ if (!parse_module (abfd, module, PRIV (dst_section)->contents, ++ PRIV (dst_section)->size)) + return NULL; + list = module; + }