[pkg-ntp-maintainers] Bug#887385: (no subject)

[Piotr Balwierz]

I am confirming this bug.
I have 3 machines runningDebian Buster.
Two of them (AMD Opteron servers) run ntpd fine, while the third one (Intel Xeon Skylake) segfaults.
Version: 1:4.2.8p10+dfsg-5


0x00007ffff7de16df in do_lookup_x (undef_name=undef_name at entry=0x7ffff67e6e4f "dl_iterate_phdr",
     new_hash=new_hash at entry=649489807, old_hash=old_hash at entry=0x7ffff7ff4160, ref=0x7ffff67e5700,
     result=result at entry=0x7ffff7ff4170, scope=<optimized out>, i=<optimized out>, version=0x55555586aa20, flags=5,
     skip=<optimized out>, type_class=1, undef_map=0x55555586a3b0) at dl-lookup.c:423
423    dl-lookup.c: No such file or directory.
(gdb) backtrace
#0  0x00007ffff7de16df in do_lookup_x (undef_name=undef_name at entry=0x7ffff67e6e4f "dl_iterate_phdr",
     new_hash=new_hash at entry=649489807, old_hash=old_hash at entry=0x7ffff7ff4160, ref=0x7ffff67e5700,
     result=result at entry=0x7ffff7ff4170, scope=<optimized out>, i=<optimized out>, version=0x55555586aa20, flags=5,
     skip=<optimized out>, type_class=1, undef_map=0x55555586a3b0) at dl-lookup.c:423
#1  0x00007ffff7de1fef in _dl_lookup_symbol_x (undef_name=0x7ffff67e6e4f "dl_iterate_phdr", undef_map=0x55555586a3b0,
     ref=ref at entry=0x7ffff7ff4228, symbol_scope=0x55555586a708, version=0x55555586aa20, type_class=type_class at entry=1,
     flags=5, skip_map=0x0) at dl-lookup.c:833
#2  0x00007ffff7de6c63 in _dl_fixup (l=<optimized out>, reloc_arg=<optimized out>) at ../elf/dl-runtime.c:112
#3  0x00007ffff7dedeea in _dl_runtime_resolve_xsavec () at ../sysdeps/x86_64/dl-trampoline.h:125
#4  0x00007ffff67f7531 in _Unwind_Find_FDE () from /lib/x86_64-linux-gnu/libgcc_s.so.1
#5  0x00007ffff67f3a73 in ?? () from /lib/x86_64-linux-gnu/libgcc_s.so.1
#6  0x00007ffff67f4ce0 in ?? () from /lib/x86_64-linux-gnu/libgcc_s.so.1
#7  0x00007ffff67f5486 in _Unwind_ForcedUnwind () from /lib/x86_64-linux-gnu/libgcc_s.so.1
#8  0x00007ffff6fc68d0 in __GI___pthread_unwind (buf=<optimized out>) at unwind.c:121
#9  0x00007ffff6fbbcb2 in __do_cancel () at ./pthreadP.h:297
#10 sigcancel_handler (sig=<optimized out>, si=0x7ffff7ff52b0, ctx=<optimized out>) at nptl-init.c:216
#11 <signal handler called>
#12 0x00007ffff6cc3300 in __GI___nanosleep (requested_time=requested_time at entry=0x7ffff7ff5eb0,
     remaining=remaining at entry=0x7ffff7ff5eb0) at ../sysdeps/unix/sysv/linux/nanosleep.c:27
#13 0x00007ffff6cc320a in __sleep (seconds=0) at ../sysdeps/posix/sleep.c:55
#14 0x00005555555763e2 in ?? ()
#15 0x00007ffff6fbd51a in start_thread (arg=0x7ffff7ff6700) at pthread_create.c:465
#16 0x00007ffff6cf53ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95