https://sourceware.org/bugzilla/show_bug.cgi?id=23980
Bug ID: 23980
Summary: powerpc64 ld segfault when linking libc on FreeBSD
Product: binutils
Version: 2.32 (HEAD)
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: ld
Assignee: unassigned at sourceware dot org
Reporter: alfredo.junior at eldorado dot org.br
Target Milestone: ---
ld (BFD) crash with Segmentation Fault when cross compiling FreeBSD libc on
PowerPC64. The stack trace is:
Core was generated by `/usr/local/ld/usr/local/bin/ld
--sysroot=/usr/obj/usr/src/powerpc.powerpc64/tmp'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x0000000000bf4fe7 in _bfd_elf_link_hash_hide_symbol (info=0x119d208
<link_info>, h=0xffffffffffffffff, force_local=1) at elflink.c:7522
7522 if (h->type != STT_GNU_IFUNC)
(gdb) bt
#0 0x0000000000bf4fe7 in _bfd_elf_link_hash_hide_symbol (info=0x119d208
<link_info>, h=0xffffffffffffffff, force_local=1) at elflink.c:7522
#1 0x0000000000d5a1f8 in ppc64_elf_hide_symbol (info=0x119d208 <link_info>,
h=0x804bd64e0, force_local=1) at elf64-ppc.c:6243
#2 0x0000000000bece39 in elf_link_add_object_symbols (abfd=0x8047d7a80,
info=0x119d208 <link_info>) at elflink.c:5020
#3 0x0000000000be9b21 in bfd_elf_link_add_symbols (abfd=0x8047d7a80,
info=0x119d208 <link_info>) at elflink.c:5741
#4 0x0000000000620145 in load_symbols (entry=0x801c0c990,
place=0x7fffffff6270) at ldlang.c:3079
#5 0x0000000000624584 in open_input_bfds (s=0x801c0c990, mode=OPEN_BFD_NORMAL)
at ldlang.c:3528
#6 0x00000000006236dc in lang_process () at ldlang.c:7382
#7 0x0000000000630879 in main (argc=1301, argv=0x7fffffff6518) at
./ldmain.c:440
On stack frame #1 (elf64-ppc.c:6243), second parameter &fh->elf seems to be
invalid/unset (-1)
(gdb) frame 1
#1 0x0000000000d5a1f8 in ppc64_elf_hide_symbol (info=0x119d208 <link_info>,
h=0x804bd64e0, force_local=1) at elf64-ppc.c:6243
6243 _bfd_elf_link_hash_hide_symbol (info, &fh->elf, force_local);
(gdb) p/x &fh
$2 = 0x7fffffff5b48
(gdb) p/x &fh->elf
$3 = 0xffffffffffffffff
(gdb) p *(struct ppc_link_hash_entry *)&fh
$12 = {elf = {root = {root = {next = 0xffffffffffffffff, string = 0x804bd64e0
"", hash = 4325052448}, type = 224, non_ir_ref_regular = 0, non_ir_ref_dynamic
= 0, linker_def = 1,
ldscript_def = 0, rel_from_abs = 0, u = {undef = {next = 0x119d208
<link_info>, abfd = 0x7fffffff6180}, def = {next = 0x119d208 <link_info>,
section = 0x7fffffff6180,
value = 12504633}, i = {next = 0x119d208 <link_info>, link =
0x7fffffff6180, warning = 0xbece39 <elf_link_add_object_symbols+13017>
"\307\205\250\374\377\377"}, c = {
next = 0x119d208 <link_info>, p = 0x7fffffff6180, size = 12504633}}},
indx = 0, dynindx = 140733193388032, got = {refcount = 140733193388032, offset
= 140733193388032,
glist = 0x7fff00000000, plist = 0x7fff00000000}, plt = {refcount =
34439765800, offset = 34439765800, glist = 0x804c51f28, plist = 0x804c51f28},
size = 140737488313968, type = 184,
other = 94, target_internal = 255, ref_regular = 1, def_regular = 1,
ref_dynamic = 1, def_dynamic = 1, ref_regular_nonweak = 1, dynamic_adjusted =
1, needs_copy = 1, needs_plt = 1,
non_elf = 1, versioned = versioned_hidden, forced_local = 1, dynamic = 1,
mark = 1, non_got_ref = 1, dynamic_def = 1, ref_dynamic_nonweak = 1,
pointer_equality_needed = 1,
unique_global = 1, protected_def = 1, start_stop = 1, is_weakalias = 1,
dynstr_index = 140737488314052, u = {alias = 0x7fffffff5ec8, elf_hash_value =
140737488314056}, verinfo = {
verdef = 0x7fffffff5e9c, vertree = 0x7fffffff5e9c}, u2 =
{start_stop_section = 0x80128dd7f, vtable = 0x80128dd7f}}, u = {stub_cache =
0x801606228, next_dot_sym = 0x801606228},
dyn_relocs = 0x87, oh = 0x7000, is_func = 0, is_func_descriptor = 0, fake =
0, adjust_done = 0, save_res = 0, non_zero_localentry = 0, tls_mask = 0 '\000'}
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