bneradt opened a new issue, #12140:
URL: https://github.com/apache/trafficserver/issues/12140
When testing 10.1.x on a production box, I'm seeing the following crash with
some frequency:
```
(gdb) bt
#0 0x00007f1504a95b1f in ssl3_ctrl (s=0x7f0abe756800, cmd=<optimized out>,
larg=0, parg=0x0) at ssl/s3_lib.c:3736
#1 0x00000000007e193a in ssl_callback_info (ssl=0x7f0abe756800,
where=<optimized out>, ret=<optimized out>) at
/home/bneradt/build/_scm/trafficserver10.1/src/iocore/net/SSLUtils.cc:1092
#2 0x00007f1504b11cb4 in tls_finish_handshake (s=0x7f0abe756800,
wst=<optimized out>, clearbufs=<optimized out>, stop=1) at
ssl/statem/statem_lib.c:1519
#3 0x00007f1504b056ec in write_state_machine (s=0x7f0abe756800) at
ssl/statem/statem.c:860
#4 state_machine (s=0x7f0abe756800, server=1) at ssl/statem/statem.c:488
#5 0x00007f1504aa5aa2 in SSL_read_early_data (s=0x7f0abe756800,
buf=0x7f096e1ff000, num=16384, readbytes=0x7f14f83fcf48) at ssl/ssl_lib.c:2377
#6 0x00000000007c59f1 in SSLNetVConnection::_ssl_accept
(this=0x7f07e7408000) at
/home/bneradt/build/_scm/trafficserver10.1/include/tscore/Ptr.h:116
#7 0x00000000007ca782 in SSLNetVConnection::sslServerHandShakeEvent
(this=this@entry=0x7f07e7408000, err=@0x7f14f83fd464: 0) at
/home/bneradt/build/_scm/trafficserver10.1/src/iocore/net/SSLNetVConnection.cc:1249
#8 0x00000000007cb1c9 in SSLNetVConnection::sslStartHandShake
(this=0x7f07e7408000, event=<optimized out>, err=@0x7f14f83fd464: 0) at
/home/bneradt/build/_scm/trafficserver10.1/src/iocore/net/SSLNetVConnection.cc:1050
#9 0x00000000007c7a49 in SSLNetVConnection::net_read_io
(this=0x7f07e7408000, nh=0x7f14fd8ce690) at
/home/bneradt/build/_scm/trafficserver10.1/src/iocore/net/SSLNetVConnection.cc:507
#10 0x0000000000827d14 in NetHandler::process_ready_list
(this=this@entry=0x7f14fd8ce690) at
/home/bneradt/build/_scm/trafficserver10.1/src/iocore/net/NetHandler.cc:284
#11 0x000000000082806a in NetHandler::waitForActivity (this=0x7f14fd8ce690,
timeout=<optimized out>) at
/home/bneradt/build/_scm/trafficserver10.1/src/iocore/net/NetHandler.cc:375
#12 0x00000000008636ea in EThread::execute_regular
(this=this@entry=0x7f14fd8cdb00) at
/home/bneradt/build/_scm/trafficserver10.1/include/tsutil/Histogram.h:156
#13 0x0000000000863919 in EThread::execute (this=0x7f14fd8cdb00) at
/home/bneradt/build/_scm/trafficserver10.1/src/iocore/eventsystem/UnixEThread.cc:358
#14 EThread::execute (this=0x7f14fd8cdb00) at
/home/bneradt/build/_scm/trafficserver10.1/src/iocore/eventsystem/UnixEThread.cc:335
#15 0x00000000008604b2 in spawn_thread_internal (a=0x7f1500703640) at
/home/bneradt/build/_scm/trafficserver10.1/src/iocore/eventsystem/Thread.cc:75
#16 0x00007f1502fa21ca in start_thread () from /lib64/libpthread.so.0
#17 0x00007f1502c0ee73 in clone () from /lib64/libc.so.6
```
Some possibly interesting early data variables:
```
(gdb) f 7
#7 0x00000000007ca782 in SSLNetVConnection::sslServerHandShakeEvent
(this=this@entry=0x7f07e7408000, err=@0x7f14f83fd464: 0) at
/home/bneradt/build/_scm/trafficserver10.1/src/iocore/net/SSLNetVConnection.cc:1249
1249 ssl_error_t ssl_error = this->_ssl_accept();
(gdb) set pagination off
(gdb) set print pretty
(gdb) p *this
$1 = {
...
<TLSEarlyDataSupport> = {
_vptr.TLSEarlyDataSupport = 0x917408 <vtable for SSLNetVConnection+936>,
static DEFAULT_MAX_EARLY_DATA_SIZE = 16384,
static _ex_data_index = 7,
_early_data_len = 0
},
...
_early_data_finish = false,
_early_data_buf = 0x0,
_early_data_reader = 0x0
```
For reference, I'm testing against 10.1.x commit:
```
commit 42f2920bce6df86e0e21a8de85e33a1795e9eff5
Author: Chris McFarlen <[email protected]>
Date: Tue Mar 11 11:51:42 2025 -0500
Move defaulting install prefix before layout setup (#12085)
Co-authored-by: Chris McFarlen <[email protected]>
(cherry picked from commit 9a1ef119f3b7a017583c9aa5d088b2437101b92a)
```
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