git_clone Segmentation fault

[Devying]

open("/data/php/lib/php/extensions/no-debug-non-zts-20131226/git2.so", O_RDONLY) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\200\\\3\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=4192650, ...}) = 0
mmap(NULL, 3480840, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fd2745ff000
mprotect(0x7fd274736000, 2097152, PROT_NONE) = 0
mmap(0x7fd274936000, 110592, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x137000) = 0x7fd274936000
close(3)                                = 0
brk(0x17b1000)                          = 0x17b1000
brk(0x17d2000)                          = 0x17d2000
futex(0x7fd27f644a80, FUTEX_WAKE_PRIVATE, 2147483647) = 0
brk(0x17f3000)                          = 0x17f3000
brk(0x1814000)                          = 0x1814000
gettid()                                = 15912
rt_sigaction(SIGPIPE, {SIG_IGN, [], SA_RESTORER, 0x7fd27e6a2660}, NULL, 8) = 0
brk(0x1835000)                          = 0x1835000
brk(0x1856000)                          = 0x1856000
brk(0x1877000)                          = 0x1877000
brk(0x1898000)                          = 0x1898000
brk(0x18b9000)                          = 0x18b9000
brk(0x18da000)                          = 0x18da000
brk(0x18fb000)                          = 0x18fb000
brk(0x191c000)                          = 0x191c000
brk(0x193d000)                          = 0x193d000
brk(0x195e000)                          = 0x195e000
brk(0x197f000)                          = 0x197f000
brk(0x19a0000)                          = 0x19a0000
brk(0x19c1000)                          = 0x19c1000
brk(0x19e2000)                          = 0x19e2000
open("git.php", O_RDONLY)               = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=156, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd281803000
read(3, "<?php\n#echo 123;\n$repo = git_clo"..., 4096) = 156
lseek(3, 0, SEEK_SET)                   = 0
getcwd("/home/huangby", 4096)           = 14
lstat("/home/huangby/git.php", {st_mode=S_IFREG|0644, st_size=156, ...}) = 0
lstat("/home/huangby", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
lstat("/home", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
rt_sigaction(SIGPROF, {0x814720, [PROF], SA_RESTORER|SA_RESTART, 0x7fd27e6a2660}, {SIG_DFL, [], 0}, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [PROF], NULL, 8) = 0
brk(0x1a0d000)                          = 0x1a0d000
socket(PF_NETLINK, SOCK_RAW, 0)         = 4
bind(4, {sa_family=AF_NETLINK, pid=0, groups=00000000}, 12) = 0
getsockname(4, {sa_family=AF_NETLINK, pid=15912, groups=00000000}, [12]) = 0
sendto(4, "\24\0\0\0\26\0\1\3\277\r\rZ\0\0\0\0\0\0\0\0", 20, 0, {sa_family=AF_NETLINK, pid=0, groups=00000000}, 12) = 20
recvmsg(4, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"0\0\0\0\24\0\2\0\277\r\rZ(>\0\0\2\10\200\376\1\0\0\0\10\0\1\0\177\0\0\1"..., 4096}], msg_controllen=0, msg_flags=0}, 0) = 108
recvmsg(4, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"\24\0\0\0\3\0\2\0\277\r\rZ(>\0\0\0\0\0\0", 4096}], msg_controllen=0, msg_flags=0}, 0) = 20
close(4)                                = 0
socket(PF_INET, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_TCP) = 4
connect(4, {sa_family=AF_INET, sin_port=htons(11211), sin_addr=inet_addr("10.100.15.241")}, 16) = -1 EINPROGRESS (Operation now in progress)
poll([{fd=4, events=POLLOUT}], 1, 4000) = 1 ([{fd=4, revents=POLLOUT}])
getsockopt(4, SOL_SOCKET, SO_ERROR, [0], [4]) = 0
sendto(4, "add memc.sess.key.lock.nip9it2fv"..., 69, MSG_NOSIGNAL, NULL, 0) = 69
recvfrom(4, 0x19dfde0, 8196, 16384, 0, 0) = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=4, events=POLLIN}], 1, 5000)  = 1 ([{fd=4, revents=POLLIN}])
recvfrom(4, "STORED\r\n", 8196, MSG_NOSIGNAL, NULL, NULL) = 8
socket(PF_NETLINK, SOCK_RAW, 0)         = 5
bind(5, {sa_family=AF_NETLINK, pid=0, groups=00000000}, 12) = 0
getsockname(5, {sa_family=AF_NETLINK, pid=15912, groups=00000000}, [12]) = 0
sendto(5, "\24\0\0\0\26\0\1\3\277\r\rZ\0\0\0\0\0\0\0\0", 20, 0, {sa_family=AF_NETLINK, pid=0, groups=00000000}, 12) = 20
recvmsg(5, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"0\0\0\0\24\0\2\0\277\r\rZ(>\0\0\2\10\200\376\1\0\0\0\10\0\1\0\177\0\0\1"..., 4096}], msg_controllen=0, msg_flags=0}, 0) = 108
recvmsg(5, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"\24\0\0\0\3\0\2\0\277\r\rZ(>\0\0\0\0\0\0", 4096}], msg_controllen=0, msg_flags=0}, 0) = 20
close(5)                                = 0
socket(PF_INET, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_TCP) = 5
connect(5, {sa_family=AF_INET, sin_port=htons(11211), sin_addr=inet_addr("10.100.15.242")}, 16) = -1 EINPROGRESS (Operation now in progress)
poll([{fd=5, events=POLLOUT}], 1, 4000) = 1 ([{fd=5, revents=POLLOUT}])
getsockopt(5, SOL_SOCKET, SO_ERROR, [0], [4]) = 0
sendto(5, "get memc.sess.key.nip9it2fvc3b2s"..., 46, MSG_NOSIGNAL, NULL, 0) = 46
recvfrom(5, 0x19e42a0, 8196, 16384, 0, 0) = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=5, events=POLLIN}], 1, 5000)  = 1 ([{fd=5, revents=POLLIN}])
recvfrom(5, "END\r\n", 8196, MSG_NOSIGNAL, NULL, NULL) = 5
fstat(0, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 0), ...}) = 0
fstat(0, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 0), ...}) = 0
fstat(0, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 0), ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd281802000
lseek(0, 0, SEEK_CUR)                   = -1 ESPIPE (Illegal seek)
fstat(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 0), ...}) = 0
fstat(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 0), ...}) = 0
fstat(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 0), ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd281801000
lseek(1, 0, SEEK_CUR)                   = -1 ESPIPE (Illegal seek)
fstat(2, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 0), ...}) = 0
fstat(2, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 0), ...}) = 0
lseek(2, 0, SEEK_CUR)                   = -1 ESPIPE (Illegal seek)
getcwd("/home/huangby", 4096)           = 14
ioctl(3, SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, 0x7fffa2b48830) = -1 ENOTTY (Inappropriate ioctl for device)
fstat(3, {st_mode=S_IFREG|0644, st_size=156, ...}) = 0
mmap(NULL, 188, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7fd281800000
munmap(0x7fd281800000, 188)             = 0
close(3)                                = 0
munmap(0x7fd281803000, 4096)            = 0
--- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0} ---
+++ killed by SIGSEGV +++