Bug#853884: apache2 gets segmentation fault when uploading big files
Package: apache2
Version: 2.4.10-10+deb8u7
Kernel: 3.16.0-4-amd64 #1 SMP Debian 3.16.36-1+deb8u2 (2016-10-19) x86_64 GNU/Linux
libc: 2.19-18+deb8u7
Possible relevant packages:
ii apache2 2.4.10-10+deb8u7 amd64 Apache HTTP Server
ii apache2-bin 2.4.10-10+deb8u7 amd64 Apache HTTP Server (modules and other binary files)
ii apache2-data 2.4.10-10+deb8u7 all Apache HTTP Server (common files)
ii apache2-dbg 2.4.10-10+deb8u7 amd64 Apache debugging symbols
ii apache2-doc 2.4.10-10+deb8u7 all Apache HTTP Server (on-site documentation)
ii apache2-suexec-custom 2.4.10-10+deb8u7 amd64 Apache HTTP Server configurable suexec program for mod_suexec
ii apache2-utils 2.4.10-10+deb8u7 amd64 Apache HTTP Server (utility programs for web servers)
ii libapache2-mod-fcgid 1:2.3.9-1+b1 amd64 FastCGI interface module for Apache 2
ii libapache2-mod-php5 5.6.29+dfsg-0+deb8u1 amd64 server-side, HTML-embedded scripting language (Apache 2 module)
ii libapache2-mod-svn 1.8.10-6+deb8u4 amd64 Apache Subversion server modules for Apache httpd
ii libapache2-svn 1.8.10-6+deb8u4 all Apache Subversion server modules for Apache httpd (dummy
package)
This happens when I upload a big file(around 1GB) using mod_fcgid
[Wed Feb 01 19:38:16.601871 2017] [core:notice] [pid 24811] AH00094:
Command line: '/usr/sbin/apache2'
[Wed Feb 01 19:38:37.626727 2017] [core:notice] [pid 24811] AH00051:
child pid 25655 exit signal Segmentation fault (11), possible coredump
in /tmp/apache2-coredump
Reading the core file
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/sbin/apache2 -k start'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00007f81b062cf60 in apr_bucket_free ()
from /usr/lib/x86_64-linux-gnu/libaprutil-1.so.0
(gdb) bt
#0 0x00007f81b062cf60 in apr_bucket_free ()
from /usr/lib/x86_64-linux-gnu/libaprutil-1.so.0
#1 0x00007f81b062d1c9 in ?? ()
from /usr/lib/x86_64-linux-gnu/libaprutil-1.so.0
#2 0x00007f81a98230a1 in proc_write_ipc ()
from /usr/lib/apache2/modules/mod_fcgid.so
#3 0x00007f81a981c090 in ?? () from /usr/lib/apache2/modules/mod_fcgid.so
#4 0x00007f81a981c493 in bridge_request ()
from /usr/lib/apache2/modules/mod_fcgid.so
#5 0x00007f81a981aca3 in ?? () from /usr/lib/apache2/modules/mod_fcgid.so
#6 0x00007f81b0d342a0 in ap_run_handler (r=r@entry=0x7f81b0b220a0)
at config.c:169
#7 0x00007f81b0d347e9 in ap_invoke_handler (r=0x7f81b0b220a0) at
config.c:433
#8 0x00007f81b0d4a6c2 in ap_process_async_request (r=0x7f81b0b220a0)
at http_request.c:317
#9 0x00007f81b0d4a860 in ap_process_request (r=0x7f81b0b220a0)
at http_request.c:363
#10 0x00007f81b0d47162 in ap_process_http_sync_connection (c=0x7f81b0b4b290)
at http_core.c:190
#11 ap_process_http_connection (c=0x7f81b0b4b290) at http_core.c:231
#12 0x00007f81b0d3db50 in ap_run_process_connection (c=0x7f81b0b4b290)
at connection.c:41
#13 0x00007f81a8ffc7ba in child_main (child_num_arg=0) at prefork.c:704
---Type <return> to continue, or q <return> to quit---
#14 0x00007f81a8ffca01 in make_child (s=0x7f81b0f30de0, slot=1)
at prefork.c:800
#15 0x00007f81a8ffd13b in prefork_run (_pconf=0x7f81b0f7af38
<ap_server_conf>,
plog=0x7ffd1d1d155c, s=0x7ffd1d1d1560) at prefork.c:1051
#16 0x00007f81b0d19e7e in ap_run_mpm (pconf=0x7f81b0f69028,
plog=0x7f81b0f36028, s=0x7f81b0f30de0) at mpm_common.c:94
#17 0x00007f81b0d133c3 in main (argc=3, argv=0x7ffd1d1d1848) at main.c:777
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