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List:       systemd-devel
Subject:    Re: [systemd-devel] syscall-filters killing CGI after update to Fedora 33
From:       Reindl Harald <h.reindl () thelounge ! net>
Date:       2021-04-19 16:38:07
Message-ID: e142c600-b9c9-bc2a-600c-8f6336fbe214 () thelounge ! net
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it's the blacklisting of @resources which was as far as i remember a 
back-and-forth years ago between dist-upgrades

looks like systemd-246.13-1.fc33.x86_64 is covering too much here in 
case of blacklisting

Am 19.04.21 um 18:24 schrieb Reindl Harald:
> after a long time using this SystemCallFilter perl-cgi with Fedora 33 
> get killed - anyone an idea what changed that's obviously covered by the 
> second line
> 
> SystemCallFilter=@system-service @network-io @privileged
> SystemCallFilter=~@clock @cpu-emulation @debug @keyring @module @mount 
> @obsolete @raw-io @reboot @resources @swap
> 
> either the blacklist of the new systemd version convers more than before 
> or something changed in the perl stack
> 
> -----------------
> 
> Process 7723 (mailgraph.cgi) of user 48 dumped core.#012#012Stack trace 
> of thread 7723:#012#0  0x00007f14be8e955d syscall (libc.so.6 + 
> 0xfc55d)#012#1  0x00007f14be2959d2 g_thread_pool_new (libglib-2.0.so.0 + 
> 0x839d2)#012#2  0x00007f14bde5ae5c g_task_get_type_once (libgio-2.0.so.0 
> + 0xabe5c)#012#3  0x00007f14bde5af85 g_task_get_type (libgio-2.0.so.0 + 
> 0xabf85)#012#4  0x00007f14bde5b09d g_task_new (libgio-2.0.so.0 + 
> 0xac09d)#012#5  0x00007f14bdfd2c4e pango_fc_font_map_init 
> (libpangoft2-1.0.so.0 + 0xac4e)#012#6  0x00007f14be37db97 
> g_type_create_instance (libgobject-2.0.so.0 + 0x39b97)#012#7 
> 0x00007f14be3668c5 g_object_new_internal (libgobject-2.0.so.0 + 
> 0x228c5)#012#8  0x00007f14be36769d g_object_new_with_properties 
> (libgobject-2.0.so.0 + 0x2369d)#012#9  0x00007f14be368311 g_object_new 
> (libgobject-2.0.so.0 + 0x24311)#012#10 0x00007f14be5f4d63 rrd_graph_init 
> (librrd.so.8 + 0x1cd63)#012#11 0x00007f14be5ef33a rrd_graph_v 
> (librrd.so.8 + 0x1733a)#012#12 0x00007f14be5f3653 rrd_graph (librrd.so.8 
> + 0x1b653)#012#13 0x00007f14be639318 n/a (RRDs.so + 0x6318)#012#14 
> 0x00007f14beac02b7 Perl_pp_entersub (libperl.so.5.32 + 0x1082b7)#012#15 
> 0x00007f14beab8040 Perl_runops_standard (libperl.so.5.32 + 
> 0x100040)#012#16 0x00007f14bea36c6c perl_run (libperl.so.5.32 + 
> 0x7ec6c)#012#17 0x0000556a6005934a main (perl + 0x134a)#012#18 
> 0x00007f14be8151e2 __libc_start_main (libc.so.6 + 0x281e2)#012#19 
> 0x0000556a6005938e _start (perl + 0x138e)
> 
> Process 2374487 (smokeping_cgi) of user 48 dumped core.#012#012Stack 
> trace of thread 2374487:#012#0  0x00007f1b1850655d syscall (libc.so.6 + 
> 0xfc55d)#012#1  0x00007f1b17e409d2 g_thread_pool_new (libglib-2.0.so.0 + 
> 0x839d2)#012#2  0x00007f1b17a05e5c g_task_get_type_once (libgio-2.0.so.0 
> + 0xabe5c)#012#3  0x00007f1b17a05f85 g_task_get_type (libgio-2.0.so.0 + 
> 0xabf85)#012#4  0x00007f1b17a0609d g_task_new (libgio-2.0.so.0 + 
> 0xac09d)#012#5  0x00007f1b17b7dc4e pango_fc_font_map_init 
> (libpangoft2-1.0.so.0 + 0xac4e)#012#6  0x00007f1b17f28b97 
> g_type_create_instance (libgobject-2.0.so.0 + 0x39b97)#012#7 
> 0x00007f1b17f118c5 g_object_new_internal (libgobject-2.0.so.0 + 
> 0x228c5)#012#8  0x00007f1b17f1269d g_object_new_with_properties 
> (libgobject-2.0.so.0 + 0x2369d)#012#9  0x00007f1b17f13311 g_object_new 
> (libgobject-2.0.so.0 + 0x24311)#012#10 0x00007f1b1819fd63 rrd_graph_init 
> (librrd.so.8 + 0x1cd63)#012#11 0x00007f1b1819a33a rrd_graph_v 
> (librrd.so.8 + 0x1733a)#012#12 0x00007f1b1819e653 rrd_graph (librrd.so.8 
> + 0x1b653)#012#13 0x00007f1b181fc318 n/a (RRDs.so + 0x6318)#012#14 
> 0x00007f1b186dd2b7 Perl_pp_entersub (libperl.so.5.32 + 0x1082b7)#012#15 
> 0x00007f1b186d5040 Perl_runops_standard (libperl.so.5.32 + 
> 0x100040)#012#16 0x00007f1b18653c6c perl_run (libperl.so.5.32 + 
> 0x7ec6c)#012#17 0x00005599a814734a main (perl + 0x134a)#012#18 
> 0x00007f1b184321e2 __libc_start_main (libc.so.6 + 0x281e2)#012#19 
> 0x00005599a814738e _start (perl + 0x138e)

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