Hi Brian,
Thanks for your fast answer and apologies for my delay
Unfortunately, i reproduced a similar crash on trusty-backports version
Not exactly the same though:
ii apache2
2.4.10-1ubuntu1.1~ubuntu14.04.2 amd64 Apache HTTP
Server
un apache2-api-20120211 <none>
<none> (no description available)
ii apache2-bin
2.4.10-1ubuntu1.1~ubuntu14.04.2 amd64 Apache HTTP
Server (binary files and modules)
ii apache2-data
2.4.10-1ubuntu1.1~ubuntu14.04.2 all Apache HTTP
Server (common files)
ii apache2-dbg
2.4.10-1ubuntu1.1~ubuntu14.04.2 amd64 Apache
debugging symbols
un apache2-doc <none>
<none> (no description available)
ii apache2-mpm-event
2.4.10-1ubuntu1.1~ubuntu14.04.2 amd64
transitional event MPM package for apache2
(gdb) bt
#0 0x00007feee4331861 in notify_suspend (cs=0x7feee01612a8) at event.c:891
#1 process_socket (my_thread_num=23, my_child_num=<optimized out>,
cs=0x7feee01612a8, sock=<optimized out>, p=<optimized out>, thd=<optimized
out>) at event.c:1124
#2 worker_thread (thd=<optimized out>, dummy=<optimized out>) at event.c:1875
#3 0x00007feee71eb184 in start_thread (arg=0x7feed2fed700) at
pthread_create.c:312
#4 0x00007feee6f17ffd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111
(gdb) bt full
#0 0x00007feee4331861 in notify_suspend (cs=0x7feee01612a8) at event.c:891
No locals.
#1 process_socket (my_thread_num=23, my_child_num=<optimized out>,
cs=0x7feee01612a8, sock=<optimized out>, p=<optimized out>, thd=<optimized
out>) at event.c:1124
c = <optimized out>
sbh = 0x7feee0161928
conn_id = <optimized out>
rc = <optimized out>
#2 worker_thread (thd=<optimized out>, dummy=<optimized out>) at event.c:1875
ti = <optimized out>
process_slot = <optimized out>
thread_slot = 23
csd = 0x7feee01610a0
cs = 0x7feee01612a8
ptrans = 0x7feee0161028
rv = <optimized out>
is_idle = 0
te = 0x0
#3 0x00007feee71eb184 in start_thread (arg=0x7feed2fed700) at
pthread_create.c:312
__res = <optimized out>
pd = 0x7feed2fed700
now = <optimized out>
unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140663718860544,
4768455907926276535, 0, 0, 140663718861248, 140663718860544,
-4759934683652884041, -4759958051315451465}, mask_was_saved = 0}}, priv = {
pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0,
canceltype = 0}}}
not_first_call = <optimized out>
pagesize_m1 = <optimized out>
sp = <optimized out>
freesize = <optimized out>
__PRETTY_FUNCTION__ = "start_thread"
#4 0x00007feee6f17ffd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111
(gdb) p cs
$2 = (event_conn_state_t *) 0x7feee01612a8
(gdb) p *cs
Cannot access memory at address 0x7feee01612a8
I can reproduce it quite easily with fastcgi + our product behind so i can do
other tests if needed
** Attachment added: "core-2.4.10.bz2"
https://bugs.launchpad.net/ubuntu/+source/apache2/+bug/1630413/+attachment/4934828/+files/core-2.4.10.bz2
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https://bugs.launchpad.net/bugs/1630413
Title:
segfault in server/mpm/event/event.c:process_socket
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