[Bug 57177] terminated by signal ILL in server/scoreboard.c line 369

[bu...@apache.org]

https://bz.apache.org/bugzilla/show_bug.cgi?id=57177

--- Comment #13 from jw@vtoc.de ---
I've seen that one on CentOS 7 using httpd-2.4.6-19.el7.centos.x86_64:

(gdb) bt
#0  0x00007f96e0e7eb60 in ?? ()
#1  0x00007f96e7d253c2 in ap_increment_counts (sb=0x7f96e9fc2350,
r=r@entry=0x7f96e9fc8190)
    at scoreboard.c:369
#2  0x00007f96e7d36190 in eor_bucket_cleanup (data=<optimized out>) at
eor_bucket.c:37
#3  0x00007f96e69f615e in run_cleanups (cref=0x7f96e9fc8188) at
memory/unix/apr_pools.c:2352
#4  apr_pool_destroy (pool=0x7f96e9fc8118) at memory/unix/apr_pools.c:804
#5  0x00007f96e7d362a6 in remove_empty_buckets (bb=bb@entry=0x7f96e9fc2b28) at
core_filters.c:716
#6  0x00007f96e7d36648 in send_brigade_nonblocking (s=s@entry=0x7f96e9fc2160,
bb=bb@entry=0x7f96e9fc2b28, 
    bytes_written=bytes_written@entry=0x7f96e9fc2a60, c=c@entry=0x7f96e9fc2350)
at core_filters.c:705
#7  0x00007f96e7d37301 in send_brigade_blocking (c=0x7f96e9fc2350,
bytes_written=0x7f96e9fc2a60, 
    bb=0x7f96e9fc2b28, s=0x7f96e9fc2160) at core_filters.c:729
#8  ap_core_output_filter (f=0x7f96e9fc2928, new_bb=0x7f96e9fc2b28) at
core_filters.c:542
#9  0x00007f96e7d50489 in ap_process_request (r=r@entry=0x7f96e9fc8190) at
http_request.c:369
#10 0x00007f96e7d4cdb2 in ap_process_http_sync_connection (c=0x7f96e9fc2350) at
http_core.c:190
#11 ap_process_http_connection (c=0x7f96e9fc2350) at http_core.c:231
#12 0x00007f96e7d44e30 in ap_run_process_connection (c=0x7f96e9fc2350) at
connection.c:41
#13 0x00007f96e7d45218 in ap_process_connection (c=c@entry=0x7f96e9fc2350,
csd=<optimized out>)
    at connection.c:202
#14 0x00007f96dd6947ef in child_main (child_num_arg=child_num_arg@entry=1) at
prefork.c:704
#15 0x00007f96dd694a26 in make_child (s=0x7f96e9eb0348, slot=slot@entry=1) at
prefork.c:800
#16 0x00007f96dd695191 in prefork_run (_pconf=<optimized out>, plog=<optimized
out>, s=<optimized out>)
    at prefork.c:1051
#17 0x00007f96e7d220fe in ap_run_mpm (pconf=0x7f96e9e85138,
plog=0x7f96e9eb2358, s=0x7f96e9eb0348)
    at mpm_common.c:96
#18 0x00007f96e7d1b726 in main (argc=3, argv=0x7fff42952e28) at main.c:777


Easy reproducable, just sending SIGHUP while under load. I can also confirm
that it is nor reproducable without mod_logio.

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