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[Bug 68278] memcpy from NULL in apr_brigade_flatten when using mod_proxy_fcgi
https://bz.apache.org/bugzilla/show_bug.cgi?id=68278

benjamin.p.kallus.gr@dartmouth.edu changed:

What |Removed |Added
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CC| |benjamin.p.kallus.gr@dartmo
| |uth.edu

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[Bug 68278] memcpy from NULL in apr_brigade_flatten when using mod_proxy_fcgi [ In reply to ]
https://bz.apache.org/bugzilla/show_bug.cgi?id=68278

--- Comment #1 from benjamin.p.kallus.gr@dartmouth.edu ---
Here's a backtrace:
> #0 __memcpy_avx_unaligned_erms () at ../sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S:264
> #1 0x00007f884dd55eb1 in apr_brigade_flatten (bb=bb@entry=0x7f884000f060, c=<optimized out>,
> c@entry=0x7f884d24ca10 "", len=len@entry=0x7f884d24c9b8) at buckets/apr_brigade.c:281
> #2 0x00007f884daa93ef in dispatch (conn=conn@entry=0x7f8840008c50, conf=conf@entry=0x55d1b1d63f28,
> r=r@entry=0x7f8840004c30, setaside_pool=0x7f884000cc48, err=err@entry=0x7f884d24eb30,
> bad_request=bad_request@entry=0x7f884d24eac4, has_responded=0x7f884d24eac8,
> input_brigade=<optimized out>, request_id=1) at mod_proxy_fcgi.c:645
> #3 0x00007f884daaadce in fcgi_do_request (origin=0x0, p=<optimized out>, uri=<optimized out>,
> url=<optimized out>, input_brigade=0x7f88400066a0, server_portstr=0x7f884d24eb10 "",
> conf=<optimized out>, conn=0x7f8840008c50, r=0x7f8840004c30) at mod_proxy_fcgi.c:1007
> #4 proxy_fcgi_handler (r=0x7f8840004c30, worker=<optimized out>, conf=<optimized out>,
> url=<optimized out>, proxyname=<optimized out>, proxyport=<optimized out>) at mod_proxy_fcgi.c:1221
> #5 0x00007f884dabcb43 in proxy_run_scheme_handler (r=r@entry=0x7f8840004c30, worker=0x55d1b1d6bba0,
> conf=conf@entry=0x55d1b1d63010, url=0x7f88400065ae "fcgi://127.0.0.1:9000//var/www/",
> proxyhost=proxyhost@entry=0x0, proxyport=proxyport@entry=0) at mod_proxy.c:3529
> #6 0x00007f884dabebf9 in proxy_handler (r=0x7f8840004c30) at mod_proxy.c:1548
> #7 0x000055d1b16dff50 in ap_run_handler (r=r@entry=0x7f8840004c30) at config.c:169
> #8 0x000055d1b16e0536 in ap_invoke_handler (r=r@entry=0x7f8840004c30) at config.c:443
> #9 0x000055d1b16cfad7 in ap_process_async_request (r=r@entry=0x7f8840004c30) at http_request.c:450
> #10 0x000055d1b16cb4dc in ap_process_http_async_connection (c=0x7f87c8000fa0) at http_core.c:159
> #11 ap_process_http_connection (c=0x7f87c8000fa0) at http_core.c:250
> #12 0x000055d1b16ee930 in ap_run_process_connection (c=c@entry=0x7f87c8000fa0) at connection.c:43
> #13 0x000055d1b16ddab6 in process_socket (thd=thd@entry=0x7f8848000d10, p=<optimized out>,
> sock=<optimized out>, cs=<optimized out>, my_child_num=my_child_num@entry=0,
> my_thread_num=my_thread_num@entry=0) at event.c:1129
> #14 0x000055d1b16de2e2 in worker_thread (thd=0x7f8848000d10, dummy=<optimized out>) at event.c:2488
> #15 0x00007f884dd908af in dummy_worker (opaque=0x7f8848000d10) at threadproc/unix/thread.c:165
> #16 0x00007f884dbe6044 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
> #17 0x00007f884dc65880 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100

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