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Description of problem:
glib2 segfaults in g_source_add_child_source() due to a bug in child source support. This bug is fixed upstream in glib2 2.37.4.
Version-Release number of selected component (if applicable):
How reproducible:
# Easily.
Steps to Reproduce:
1. Building and install cockpit on RHEL7.
2. systemctl start cockpit
3. Access cockpit with https on port 9090
Actual results:
cockpit-ws crashes
Expected results:
No crash
[root@rh7 ~]# rpm -q glib2
glib2-2.36.3-5.el7.x86_64
[root@rh7 ~]# rpm -q glib-networking
glib-networking-2.36.2-3.el7.x86_64
Example backtrace:
#0 g_main_context_remove_poll_unlocked (context=0x0, fd=0x6d2530) at gmain.c:4159
#1 0x00007ffff754d6e4 in block_source (source=0x6d24d0) at gmain.c:2947
#2 0x00007ffff754d738 in block_source (source=0x6d2420) at gmain.c:2959
#3 0x00007ffff754f560 in g_source_add_child_source (source=0x6d9aa0, child_source=0x6d2420) at gmain.c:1427
#4 0x00007ffff2a47f87 in gnutls_source_sync (gnutls_source=gnutls_source@entry=0x6d9aa0)
at gtlsconnection-gnutls.c:881
#5 0x00007ffff2a48084 in gnutls_source_dispatch (source=source@entry=0x6d9aa0, callback=<optimized out>,
user_data=<optimized out>) at gtlsconnection-gnutls.c:895
#6 0x00007ffff7550ac6 in g_main_dispatch (context=0x6cd450) at gmain.c:3058
#7 g_main_context_dispatch (context=context@entry=0x6cd450) at gmain.c:3634
#8 0x00007ffff7550e48 in g_main_context_iterate (context=0x6cd450, block=block@entry=1, dispatch=dispatch@entry=1,
self=<optimized out>) at gmain.c:3705
#9 0x00007ffff755125a in g_main_loop_run (loop=0x655f60) at gmain.c:3899
#10 0x000000000040965d in main (argc=1, argv=0x7fffffffe4f8) at src/ws/main.c:168