[TS-3235] PluginVC crashed with unrecognized event

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 6.2.0
• Component/s: CPP API, HTTP, Plugins
• Assignee: Alan M. Carroll
• Reporter: kang li
• Created: 11/Dec/14 11:19
• Updated: 19/Jul/16 20:17
• Resolved: 29/Dec/15 02:19

Description

We are using atscppapi to create Intercept plugin.

From the coredump , that seems Continuation of the InterceptPlugin was already been destroyed.

#0  0x000000375ac32925 in raise () from /lib64/libc.so.6
#1  0x000000375ac34105 in abort () from /lib64/libc.so.6
#2  0x00002b21eeae3458 in ink_die_die_die (retval=1) at ink_error.cc:43
#3  0x00002b21eeae3525 in ink_fatal_va(int, const char *, typedef __va_list_tag __va_list_tag *) (return_code=1, 
    message_format=0x2b21eeaf08d8 "%s:%d: failed assert `%s`", ap=0x2b21f4913ad0) at ink_error.cc:65
#4  0x00002b21eeae35ee in ink_fatal (return_code=1, message_format=0x2b21eeaf08d8 "%s:%d: failed assert `%s`") at ink_error.cc:73
#5  0x00002b21eeae2160 in _ink_assert (expression=0x76ddb8 "call_event == core_lock_retry_event", file=0x76dd04 "PluginVC.cc", line=203)
    at ink_assert.cc:37
#6  0x0000000000530217 in PluginVC::main_handler (this=0x2b24ef007cb8, event=1, data=0xe0f5b80) at PluginVC.cc:203
#7  0x00000000004f5854 in Continuation::handleEvent (this=0x2b24ef007cb8, event=1, data=0xe0f5b80) at ../iocore/eventsystem/I_Continuation.h:146
#8  0x0000000000755d26 in EThread::process_event (this=0x309b250, e=0xe0f5b80, calling_code=1) at UnixEThread.cc:145
#9  0x000000000075610a in EThread::execute (this=0x309b250) at UnixEThread.cc:239
#10 0x0000000000755284 in spawn_thread_internal (a=0x2849330) at Thread.cc:88
#11 0x00002b21ef05f9d1 in start_thread () from /lib64/libpthread.so.0
#12 0x000000375ace8b7d in clone () from /lib64/libc.so.6

(gdb) p sm_lock_retry_event
$13 = (Event *) 0x2b2496146e90
(gdb) p core_lock_retry_event
$14 = (Event *) 0x0
(gdb) p active_event
$15 = (Event *) 0x0
(gdb) p inactive_event
$16 = (Event *) 0x0
(gdb) p *(INKContInternal*)this->core_obj->connect_to
Cannot access memory at address 0x2b269cd46c10

Issue Links

• links to: Pull Request