[TS-3522] Seg Fault due to inactivity_cop after lost continutation from write_signal_and_update

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Fix Version/s: 5.3.0, 6.0.0
• Component/s: Network
• Labels: crash
• Assignee: Alan M. Carroll
• Reporter: Steven Feltner
• Created: 15/Apr/15 14:38
• Updated: 13/May/15 20:36
• Resolved: 20/Apr/15 20:43

Description

(gdb) bt full
#0 0x00000000006ec51e in handleEvent (event=105, vc=0x2b1c900461e0) at ../../iocore/eventsystem/I_Continuation.h:146
No locals.
#1 write_signal_and_update (event=105, vc=0x2b1c900461e0) at UnixNetVConnection.cc:154
No locals.
#2 0x00000000006ec837 in UnixNetVConnection::mainEvent (this=0x2b1c900461e0, event=<value optimized out>, e=<value optimized out>) at UnixNetVConnection.cc:1089
wlock = {m =

{m_ptr = 0x2b1c90117dd0}, lock_acquired = true}
signal_event = 105
next_activity_timeout_at = 0
t = 0x0
hlock = {m = {m_ptr = 0x1430c30}, lock_acquired = true}
rlock = {m = {m_ptr = 0x2b1c90117dd0}

, lock_acquired = true}
signal_timeout = 0x2b1c6b9ddc30
reader_cont = 0x0
writer_cont = 0x2b1d28051d48
signal_timeout_at = 0x2b1c900463f8
#3 0x00000000006e5061 in handleEvent (this=0x14519d0, event=<value optimized out>, e=0x15792d0) at ../../iocore/eventsystem/I_Continuation.h:146
No locals.
#4 InactivityCop::check_inactivity (this=0x14519d0, event=<value optimized out>, e=0x15792d0) at UnixNet.cc:80
vc = 0x2b1c900461e0
lock = {m =

{m_ptr = 0x2b1c90117dd0}

, lock_acquired = true}
now = 1428965697221995775
nh = 0x2b1c695bea30
_func_ = "check_inactivity"
#5 0x000000000070f628 in handleEvent (this=0x2b1c695bb010, e=0x15792d0, calling_code=2) at I_Continuation.h:146
No locals.
#6 EThread::process_event (this=0x2b1c695bb010, e=0x15792d0, calling_code=2) at UnixEThread.cc:144
c_temp = 0x14519d0
lock = {m =

{m_ptr = 0x1430c30}

, lock_acquired = true}
#7 0x00000000007101c1 in EThread::execute (this=0x2b1c695bb010) at UnixEThread.cc:223
done_one = true
e = <value optimized out>
NegativeQueue = {<DLL<Event, Event::Link_link>> =

{head = 0x1579330}

, tail = 0x1579330}
next_time = 1428963217761407178
#8 0x000000000070ea52 in spawn_thread_internal (a=0x144a330) at Thread.cc:88
p = 0x144a330
#9 0x000000383e8079d1 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#10 0x000000383e0e88fd in clone () from /lib64/libc.so.6
No symbol table info available.

Issue Links

• is depended upon by: TS-3573 Connection leak caused by TS-3522