Public bug reported: trigger: enmod php7.2 first, then enmod php5 vagrant box: https://drive.google.com/file/d/1uQELpsiBaXOAZpXtcHDdciZ_waXHShi8/view?usp=sharing Core dump file: https://drive.google.com/file/d/1a-POH6PWldsyAZiGMcqfxctfW7H_bA1B/view?usp=sharing
Backtrace: vagrant@vagrant-ubuntu-trusty-64:~$ sudo apachectl debug GNU gdb (Ubuntu 7.7.1-0ubuntu5~14.04.3) 7.7.1 Copyright (C) 2014 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>. Find the GDB manual and other documentation resources online at: <http://www.gnu.org/software/gdb/documentation/>. For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from /usr/sbin/apache2...(no debugging symbols found)...done. warning: File "/home/vagrant/.gdbinit" auto-loading has been declined by your `auto-load safe-path' set to "$debugdir:$datadir/auto-load". To enable execution of this file add add-auto-load-safe-path /home/vagrant/.gdbinit line to your configuration file "$HOME/.gdbinit". To completely disable this security protection add set auto-load safe-path / line to your configuration file "$HOME/.gdbinit". For more information about this security protection see the "Auto-loading safe path" section in the GDB manual. E.g., run from the shell: info "(gdb)Auto-loading safe path" (gdb) source /home/vagrant/peda /home/vagrant/peda: Success. (gdb) source /home/vagrant/peda/peda.py gdb-peda$ bt No stack. gdb-peda$ run -k start Starting program: /usr/sbin/apache2 -k start [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". AH00558: apache2: Could not reliably determine the server's fully qualified domain name, using 10.0.2.15. Set the 'ServerName' directive globally to suppress this message Program received signal SIGSEGV, Segmentation fault. [----------------------------------registers-----------------------------------] RAX: 0x7ffff3e96a50 (<gc_collect_cycles>: push r15) RBX: 0x7fffffffd180 --> 0x7ffff1e8debe (push r15) RCX: 0x5f ('_') RDX: 0x7ffff2058cc0 (<zend_gc_collect_cycles>: push r15) RSI: 0x7ffff212b6d7 ("E_ZEND_DTRACE") RDI: 0x7fffffffee86 ("ERNAME=root") RBP: 0x1 RSP: 0x7fffffffd120 --> 0x0 RIP: 0x7ffff2030d60 (mov QWORD PTR [rax],rdx) R8 : 0xffff R9 : 0x1 R10: 0x7ffff71b6440 (<__strncmp_sse2+4608>: pxor xmm0,xmm0) R11: 0xc ('\x0c') R12: 0x7ffff4654260 --> 0x7ffff2132003 ("apache2handler") R13: 0x7ffff241a280 --> 0x7ffff2132003 ("apache2handler") R14: 0x7ffff7fba028 --> 0x7ffff7ff2028 --> 0x7ffff7ff4028 --> 0x7ffff7ff8028 --> 0x0 R15: 0x7ffff241a3a0 --> 0x133c7de000000a8 EFLAGS: 0x10246 (carry PARITY adjust ZERO sign trap INTERRUPT direction overflow) [-------------------------------------code-------------------------------------] 0x7ffff2030d4b: lea rdx,[rip+0x27f6e] # 0x7ffff2058cc0 <zend_gc_collect_cycles> 0x7ffff2030d52: mov QWORD PTR [rax],0x0 0x7ffff2030d59: mov rax,QWORD PTR [rip+0x3d2f90] # 0x7ffff2403cf0 => 0x7ffff2030d60: mov QWORD PTR [rax],rdx 0x7ffff2030d63: call 0x7ffff20d6d10 0x7ffff2030d68: mov edi,0x3f 0x7ffff2030d6d: call 0x7ffff1e8c260 <malloc@plt> 0x7ffff2030d72: test rax,rax [------------------------------------stack-------------------------------------] 0000| 0x7fffffffd120 --> 0x0 0008| 0x7fffffffd128 --> 0x1 0016| 0x7fffffffd130 --> 0x7ffff4654260 --> 0x7ffff2132003 ("apache2handler") 0024| 0x7fffffffd138 --> 0x7ffff1fcf34b (<php_module_startup+379>: lea rsi,[rip+0x1132a6] # 0x7ffff20e25f8) 0032| 0x7fffffffd140 --> 0x1558092c0 0040| 0x7fffffffd148 --> 0x555555809160 --> 0x5555558097c0 --> 0x7ffff72aee73 ("gethostbyaddr_r") 0048| 0x7fffffffd150 --> 0x2d746e610000007c ('|') 0056| 0x7fffffffd158 ("ubuntu-trusty-64") [------------------------------------------------------------------------------] Legend: code, data, rodata, value Stopped reason: SIGSEGV 0x00007ffff2030d60 in ?? () from /usr/lib/apache2/modules/libphp7.2.so gdb-peda$ bt #0 0x00007ffff2030d60 in ?? () from /usr/lib/apache2/modules/libphp7.2.so #1 0x00007ffff1fcf34b in php_module_startup () from /usr/lib/apache2/modules/libphp7.2.so #2 0x00007ffff20d81e5 in ?? () from /usr/lib/apache2/modules/libphp7.2.so #3 0x00007ffff20d8dd5 in ?? () from /usr/lib/apache2/modules/libphp7.2.so #4 0x00005555555ad259 in ap_run_post_config () #5 0x000055555558b398 in main () #6 0x00007ffff714df45 in __libc_start_main (main=0x55555558aaf0 <main>, argc=0x3, argv=0x7fffffffe688, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffffffe678) at libc-start.c:287 #7 0x000055555558b6af in _start () gdb-peda$ ** Affects: php7.2 (Ubuntu) Importance: Undecided Status: New ** Summary changed: - libapache2-mod-php7.2 crash when apache was enmoded php5 + libapache2-mod-php7.2 crash when apache enmod php5 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1807484 Title: libapache2-mod-php7.2 crash when apache enmod php5 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/php7.2/+bug/1807484/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs