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[Bug libc/20468] SIGSEGV in internal_getent on arm64 xenial


https://sourceware.org/bugzilla/show_bug.cgi?id=20468

--- Comment #1 from sokoow at gmail dot com ---
Thread 4 "drone" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7f964a1090 (LWP 28090)]
0x0000007f952cc334 in internal_getent (stream=0x7f800008c0, result=0x0,
result@entry=0x2e302e302e373231, buffer=0xca8e08 "gethostbyname4_r", 
    buffer@entry=0x7f964a0010 "\200\017F", buflen=buflen@entry=1064,
errnop=0x7f964a04c0, errnop@entry=0x7f964a05c0, herrnop=0x0, 
    herrnop@entry=0x686c61636f6c0931, af=127, af@entry=0, flags=-1773535264,
flags@entry=0) at nss_files/files-XXX.c:251
251     nss_files/files-XXX.c: No such file or directory.
(gdb) bt
#0  0x0000007f952cc334 in internal_getent (stream=0x7f800008c0, result=0x0,
result@entry=0x2e302e302e373231, buffer=0xca8e08 "gethostbyname4_r", 
    buffer@entry=0x7f964a0010 "\200\017F", buflen=buflen@entry=1064,
errnop=0x7f964a04c0, errnop@entry=0x7f964a05c0, herrnop=0x0, 
    herrnop@entry=0x686c61636f6c0931, af=127, af@entry=0, flags=-1773535264,
flags@entry=0) at nss_files/files-XXX.c:251
#1  0x0000007f952cd2c0 in _nss_files_gethostbyname4_r (name=0x7f880008c0
"repo.pharaoh.local", pat=0x7f964a05d0, buffer=0x7f964a0010 "\200\017F", 
    buflen=1064, errnop=0x7f964a05c0, herrnop=0x686c61636f6c0931,
ttlp=<optimized out>) at nss_files/files-hosts.c:392
#2  0x0000000000a71438 in gaih_inet ()
#3  0x0000000000a72ef0 in getaddrinfo ()
#4  0x00000000009b1bec in _cgo_7a2d42f1a351_C2func_getaddrinfo (v=0x4420025d58)
at /home/go/src/net/cgo_unix.go:66
#5  0x000000000047cf28 in runtime.asmcgocall () at
/home/go/src/runtime/asm_arm64.s:542
#6  0x0000004420421040 in ?? ()
#7  0x0000000000000001 in ?? ()

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