https://bz.apache.org/bugzilla/show_bug.cgi?id=65775
Bug ID: 65775
Summary: fgets_unlocked crash on CentOS 7 (and Ubuntu 14.04) in
Tomcat 9.0.12 through 9.0.54 (and others)
Product: Tomcat 9
Version: 9.0.x
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
Assignee: dev@tomcat.apache.org
Reporter: mh...@ximasoftware.com
Target Milestone: -----
Our Tomcat and it's JVM sporadically crash during an apparent name lookup.
Oracle Java 8u181 as a packaged app, and OpenJDK 8u312
Tomcat 9.0.12 and 9.0.54
CentOS 7 (GNU libc 2.17) and Ubuntu 14.04 (GLIBC 2.19)
Original stack mentioned IPv6, but is otherwise the same regardless of whether
it's disabled
Stack: [0x00007efe61a44000,0x00007efe61b45000], sp=0x00007efe61b420b0, free
space=1016k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
C [libc.so.6+0x79530] fgets_unlocked+0x10
V [libjvm.so+0xb2349b]
vframeStreamCommon::skip_reflection_related_frames()+0xfb
V [libjvm.so+0x73e091] JVM_LatestUserDefinedLoader+0xd1
V [libjvm.so+0x583b8f] frame::sender(RegisterMap*) const+0xaf
V [libjvm.so+0xa0a993]
OptoRuntime::is_deoptimized_caller_frame(JavaThread*)+0xc3
C 0xd837e72400000000
Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
J 46267 java.net.Inet4AddressImpl.getHostByAddr([B)Ljava/lang/String; (0
bytes) @ 0x00007efef59189cc [0x00007efef5918980+0x4c]
J 46266 C1 java.net.InetAddress$2.getHostByAddr([B)Ljava/lang/String; (10
bytes) @ 0x00007efef4a73b8c [0x00007efef4a73ac0+0xcc]
j
java.net.InetAddress.getHostFromNameService(Ljava/net/InetAddress;Z)Ljava/lang/String;+37
J 46315 C1
org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.populateLocalName()V
(36 bytes) @ 0x00007efef646ef54 [0x00007efef646e7e0+0x774]
J 35700 C2
org.apache.coyote.AbstractProcessor.action(Lorg/apache/coyote/ActionCode;Ljava/lang/Object;)V
(1081 bytes) @ 0x00007efef77735f0 [0x00007efef7772fa0+0x650]
J 24573 C1
org.apache.coyote.Request.action(Lorg/apache/coyote/ActionCode;Ljava/lang/Object;)V
(37 bytes) @ 0x00007efef6cb4a04 [0x00007efef6cb4760+0x2a4]
J 33627 C1
org.apache.catalina.connector.Request.getLocalName()Ljava/lang/String; (40
bytes) @ 0x00007efef60c42bc [0x00007efef60c4160+0x15c]
J 47606 C2
org.apache.catalina.filters.RemoteIpFilter.doFilter(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;Ljavax/servlet/FilterChain;)V
(1086 bytes) @ 0x00007efef95f1088 [0x00007efef95f0520+0xb68]
J 47607 C2
org.apache.catalina.filters.RemoteIpFilter.doFilter(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;Ljavax/servlet/FilterChain;)V
(39 bytes) @ 0x00007efef75104cc [0x00007efef7510480+0x4c]
J 38331 C2
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;)V
(388 bytes) @ 0x00007efef6eada5c [0x00007efef6ead920+0x13c]
J 48137 C2
com.ximasoft.filter.AuthenticationFilter.doFilter(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;Ljavax/servlet/FilterChain;)V
(1149 bytes) @ 0x00007efef96698b8 [0x00007efef96686e0+0x11d8]
J 38331 C2
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;)V
(388 bytes) @ 0x00007efef6eada5c [0x00007efef6ead920+0x13c]
J 47641 C2
com.ximasoft.filter.AllowAllCorsFilter.doFilter(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;Ljavax/servlet/FilterChain;)V
(56 bytes) @ 0x00007efef6076568 [0x00007efef60764a0+0xc8]
J 38331 C2
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;)V
(388 bytes) @ 0x00007efef6eada5c [0x00007efef6ead920+0x13c]
J 48136 C2
org.apache.catalina.core.StandardWrapperValve.invoke(Lorg/apache/catalina/connector/Request;Lorg/apache/catalina/connector/Response;)V
(2665 bytes) @ 0x00007efef812e90c [0x00007efef812e6c0+0x24c]
J 47638 C2
org.apache.catalina.authenticator.AuthenticatorBase.invoke(Lorg/apache/catalina/connector/Request;Lorg/apache/catalina/connector/Response;)V
(810 bytes) @ 0x00007efef7c18c4c [0x00007efef7c18020+0xc2c]
J 43966 C2
org.apache.catalina.valves.rewrite.RewriteValve.invoke(Lorg/apache/catalina/connector/Request;Lorg/apache/catalina/connector/Response;)V
(1540 bytes) @ 0x00007efef8eaa068 [0x00007efef8ea94e0+0xb88]
J 47594 C2
org.apache.catalina.core.StandardHostValve.invoke(Lorg/apache/catalina/connector/Request;Lorg/apache/catalina/connector/Response;)V
(396 bytes) @ 0x00007efef95cd228 [0x00007efef95ccfa0+0x288]
J 47529 C2
org.apache.catalina.connector.CoyoteAdapter.service(Lorg/apache/coyote/Request;Lorg/apache/coyote/Response;)V
(892 bytes) @ 0x00007efef9549700 [0x00007efef9549220+0x4e0]
J 46992 C2
org.apache.coyote.http11.Http11Processor.service(Lorg/apache/tomcat/util/net/SocketWrapperBase;)Lorg/apache/tomcat/util/net/AbstractEndpoint$Handler$SocketState;
(1189 bytes) @ 0x00007efef93c1ef0 [0x00007efef93c1c20+0x2d0]
J 48415 C1
org.apache.coyote.AbstractProcessorLight.process(Lorg/apache/tomcat/util/net/SocketWrapperBase;Lorg/apache/tomcat/util/net/SocketEvent;)Lorg/apache/tomcat/util/net/AbstractEndpoint$Handler$SocketState;
(367 bytes) @ 0x00007efef763d914 [0x00007efef763bfa0+0x1974]
J 43440 C2
org.apache.coyote.AbstractProtocol$ConnectionHandler.process(Lorg/apache/tomcat/util/net/SocketWrapperBase;Lorg/apache/tomcat/util/net/SocketEvent;)Lorg/apache/tomcat/util/net/AbstractEndpoint$Handler$SocketState;
(1315 bytes) @ 0x00007efef8d8cdfc [0x00007efef8d8c900+0x4fc]
J 43064 C2 org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun()V (637
bytes) @ 0x00007efef8cc175c [0x00007efef8cc16a0+0xbc]
J 42778 C2 org.apache.tomcat.util.net.SocketProcessorBase.run()V (35 bytes) @
0x00007efef4bcbbc4 [0x00007efef4bcbb00+0xc4]
j
org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(Lorg/apache/tomcat/util/threads/ThreadPoolExecutor$Worker;)V+92
j org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run()V+5
j org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run()V+4
j java.lang.Thread.run()V+11
v ~StubRoutines::call_stub
At some point org.apache.catalina.connector.Request.getLocalName is called,
which is apparently for every request. Each browser client asks for a variety
of values and eventually two of them occur within the millisecond necessary to
block each other from the final java.net.Inet4AddressImpl.getHostByAddr
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