https://bz.apache.org/bugzilla/show_bug.cgi?id=60071
[email protected] changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEEDINFO |NEW --- Comment #4 from [email protected] --- apache debug log: [Fri Oct 21 15:34:18.030981 2016] [proxy_balancer:debug] [pid 8773:tid 140072177952512] mod_proxy_balancer.c(132): AH01158: Looking at balancer://xxx.xxx.com -> http://x.x.x.x:8080 initialized? [Fri Oct 21 15:34:18.031014 2016] [proxy_balancer:debug] [pid 8774:tid 140072177952512] mod_proxy_balancer.c(132): AH01158: Looking at balancer://xxx.xxx.com -> http://x.x.x.x:8080 initialized? [Fri Oct 21 15:34:18.031056 2016] [proxy_balancer:debug] [pid 8775:tid 140072177952512] mod_proxy_balancer.c(132): AH01158: Looking at balancer://xxx.xxx.com -> http://x.x.x.x:8080 initialized? [Fri Oct 21 15:34:18.031212 2016] [proxy_balancer:debug] [pid 8773:tid 140072177952512] mod_proxy_balancer.c(132): AH01158: Looking at balancer://xxx.xxx.com -> http://x.x.x.x:8080 initialized? [Fri Oct 21 15:34:18.031236 2016] [proxy_balancer:debug] [pid 8774:tid 140072177952512] mod_proxy_balancer.c(132): AH01158: Looking at balancer://xxx.xxx.com -> http://x.x.x.x:8080 initialized? [Fri Oct 21 15:34:18.031262 2016] [proxy_balancer:debug] [pid 8775:tid 140072177952512] mod_proxy_balancer.c(132): AH01158: Looking at balancer://xxx.xxx.com -> http://x.x.x.x:8080 initialized? [Fri Oct 21 15:34:49.075240 2016] [core:notice] [pid 8439:tid 140072177952512] AH00051: child pid 8775 exit signal Segmentation fault (11), possible coredump in /tmp/test strace: 8439 <... clone resumed> child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f651868e9d0) = 8775 8775 set_robust_list(0x7f651868e9e0, 24 <unfinished ...> 8775 <... set_robust_list resumed> ) = 0 8775 rt_sigaction(SIGTERM, {0x46fb10, [], SA_RESTORER|SA_INTERRUPT, 0x7f65175707e0}, {0x46b620, [], SA_RESTORER, 0x7f65175707e0}, 8) = 0 8775 geteuid( <unfinished ...> 8775 <... geteuid resumed> ) = 0 8775 setgid(2 <unfinished ...> 8775 <... setgid resumed> ) = 0 8775 open("/proc/sys/kernel/ngroups_max", O_RDONLY <unfinished ...> 8775 <... open resumed> ) = 11 8775 read(11, <unfinished ...> 8775 <... read resumed> "65536\n", 31) = 6 8775 close(11 <unfinished ...> 8775 <... close resumed> ) = 0 8775 open("/etc/group", O_RDONLY|O_CLOEXEC <unfinished ...> 8775 <... open resumed> ) = 11 8775 fstat(11, <unfinished ...> 8775 <... fstat resumed> {st_mode=S_IFREG|0644, st_size=529, ...}) = 0 8775 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...> 8775 <... mmap resumed> ) = 0x7f6518697000 8775 lseek(11, 0, SEEK_CUR <unfinished ...> 8775 <... lseek resumed> ) = 0 8775 read(11, <unfinished ...> 8775 <... read resumed> "root:x:0:\nbin:x:1:bin,daemon\ndae"..., 4096) = 529 8775 read(11, <unfinished ...> 8775 <... read resumed> "", 4096) = 0 8775 close(11 <unfinished ...> 8775 <... close resumed> ) = 0 8775 munmap(0x7f6518697000, 4096 <unfinished ...> 8775 <... munmap resumed> ) = 0 8775 setgroups(4, [2, 1, 4, 7] <unfinished ...> 8775 <... setgroups resumed> ) = 0 8775 geteuid( <unfinished ...> 8775 <... geteuid resumed> ) = 0 8775 setuid(2 <unfinished ...> 8775 <... setuid resumed> ) = 0 8775 prctl(PR_SET_DUMPABLE, 1 <unfinished ...> 8775 <... prctl resumed> ) = 0 8775 futex(0x7f6516dc5a80, FUTEX_WAKE_PRIVATE, 2147483647 <unfinished ...> 8775 <... futex resumed> ) = 0 8775 semop(3702787, {{0, -1, SEM_UNDO}}, 1 <unfinished ...> 8775 <... semop resumed> ) = 0 8775 semop(3702787, {{0, 1, SEM_UNDO}}, 1 <unfinished ...> 8775 <... semop resumed> ) = 0 8775 semop(3702787, {{0, -1, SEM_UNDO}}, 1 <unfinished ...> 8775 <... semop resumed> ) = 0 8775 semop(3702787, {{0, 1, SEM_UNDO}}, 1) = 0 8775 write(8, "[Fri Oct 21 15:34:18.031056 2016"..., 210 <unfinished ...> 8775 <... write resumed> ) = 210 8775 write(8, "[Fri Oct 21 15:34:18.031262 2016"..., 210 <unfinished ...> 8775 <... write resumed> ) = 210 8775 semop(3702787, {{0, -1, SEM_UNDO}}, 1 <unfinished ...> 8775 <... semop resumed> ) = 0 8775 semop(3702787, {{0, 1, SEM_UNDO}}, 1) = 0 8775 mmap(NULL, 10489856, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6512935000 8775 mprotect(0x7f6512935000, 4096, PROT_NONE <unfinished ...> 8775 <... mprotect resumed> ) = 0 8775 clone( <unfinished ...> 8775 <... clone resumed> child_stack=0x7f6513334ff0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7f65133359d0, tls=0x7f6513335700, child_tidptr=0x7f65133359d0) = 8776 8775 futex(0x23d46d8, FUTEX_WAIT_PRIVATE, 2, NULL <unfinished ...> 8775 <... futex resumed> ) = -1 EAGAIN (Resource temporarily unavailable) 8775 futex(0x23d46d8, FUTEX_WAKE_PRIVATE, 1 <unfinished ...> 8775 <... futex resumed> ) = 0 8775 rt_sigprocmask(SIG_SETMASK, ~[ILL TRAP ABRT BUS FPE SEGV USR2 PIPE SYS RTMIN RT_1], <unfinished ...> 8775 <... rt_sigprocmask resumed> NULL, 8) = 0 8775 mmap(NULL, 10489856, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...> 8775 <... mmap resumed> ) = 0x7f6511f34000 8775 mprotect(0x7f6511f34000, 4096, PROT_NONE <unfinished ...> 8775 <... mprotect resumed> ) = 0 8775 clone( <unfinished ...> 8775 <... clone resumed> child_stack=0x7f6512933ff0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7f65129349d0, tls=0x7f6512934700, child_tidptr=0x7f65129349d0) = 8781 8775 rt_sigprocmask(SIG_UNBLOCK, [TERM], <unfinished ...> 8775 <... rt_sigprocmask resumed> NULL, 8) = 0 8775 rt_sigaction(SIGTERM, {0x46b710, [], SA_RESTORER|SA_INTERRUPT, 0x7f65175707e0}, <unfinished ...> 8775 <... rt_sigaction resumed> {0x46fb10, [], SA_RESTORER|SA_INTERRUPT, 0x7f65175707e0}, 8) = 0 8775 read(6, <unfinished ...> 8786 <... getsockname resumed> {sa_family=AF_NETLINK, pid=8775, groups=00000000}, [12]) = 0 8782 <... getsockname resumed> {sa_family=AF_NETLINK, pid=8775, groups=00000000}, [12]) = 0 8843 --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=8775, si_uid=2} --- 8775 +++ killed by SIGSEGV (core dumped) +++ 8439 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=8775, si_status=SIGSEGV, si_utime=402, si_stime=7} --- 8439 wait4(-1, [{WIFSIGNALED(s) && WTERMSIG(s) == SIGSEGV && WCOREDUMP(s)}], WNOHANG|WSTOPPED, NULL) = 8775 gdb: (gdb) thread 21 [Switching to thread 21 (Thread 0x7f651868e700 (LWP 8775))]#0 0x00007f651756f82d in read () from /lib64/libpthread.so.0 (gdb) print wptr No symbol "wptr" in current context. I don't know how to use gdb. Environment: centos 6.7 x64 apache 2.4.23 compiled with APR 1.5.2 and APR-UTIL 1.5.4 openssl 1.0.1u pcre 8.39 modsecurity-2.9.1 compiled with yajl 2.1.0 -- You are receiving this mail because: You are the assignee for the bug. --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
