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swoole_http_server开启ssl经常core dump #1121
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先用 |
确定是 openssl ,这个问题百分百重现的, swoole 运行一段时间以后就会 coredump |
从core信息中无法判断问题所在,产生crash的地方是在openssl中,还需要进一步分析 |
请编译一个 gcc -O0 版本的swoole,然后重现crash,通过gdb执行下列命令 f 5
p *conn
p *conn->ssl |
可能是由于线程安全问题导致。最新版本已尝试进行了修复,请重现验证。 |
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服务端开启ssl,运行一段时间以后php就会core dump(一般一天内最少发生一次)。
Swoole版本:1.9.6
php版本:5.4.15
openssl版本:1.0.2k
gdb堆栈信息如下:
#0 freelist_extract (for_read=, sz=34120, ctx=) at s3_both.c:619
#1 0x00007fcda5b904fc in ssl3_setup_read_buffer (s=0x311e820) at s3_both.c:682
#2 0x00007fcda5b90679 in ssl3_setup_buffers (s=0x311e820) at s3_both.c:735
#3 0x00007fcda5b92055 in ssl23_get_client_hello (s=0x311e820) at s23_srvr.c:265
#4 0x00007fcda5b92613 in ssl23_accept (s=0x311e820) at s23_srvr.c:209
#5 0x00007fcda1dce83f in swSSL_verify (conn=0x27600000087, allow_self_signed=135) at /data/build/swoole-src-1.9.6/src/protocol/SSL.c:308
#6 0x00007fcda1dbc30d in swReactorThread_onWrite (reactor=0x7fcd9b529498, ev=0x5400000002) at /data/build/swoole-src-1.9.6/src/network/ReactorThread.c:955
#7 0x00007fcda1dab6b9 in swPipeBase_getFd (p=0x1, isWriteFd=-1) at /data/build/swoole-src-1.9.6/src/pipe/PipeBase.c:81
#8 0x00007fcda1dbd9e0 in swReactorProcess_create (serv=0x5400000000) at /data/build/swoole-src-1.9.6/src/network/ReactorProcess.c:44
#9 0x00007fcda340ee9a in start_thread () from /data/services/php-5.4.15/lib/libpthread.so.0
#10 0x00007fcda393438d in clone () from /data/services/php-5.4.15/lib/libc.so.6
#11 0x0000000000000000 in ?? ()
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