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Using systemd-246.10-1.fc33.x86_64 I'm seeing several coredumps every day. I have an ABRT Analytics retrace at https://retrace.fedoraproject.org/faf/reports/72143/ sshd[2226886]: rexec line 54: Deprecated option RSAAuthentication Feb 18 08:56:41 ourserver systemd-resolved[2223701]: malloc(): unaligned tcache chunk detected Feb 18 08:56:41 ourserver systemd[1]: Started Process Core Dump (PID 2229419/UID 0). Feb 18 08:56:41 ourserver systemd-coredump[2229420]: Process 2223701 (systemd-resolve) of user 997 dumped core. Stack trace of thread 2223701: #0 0x00007fb75234a9d5 raise (libc.so.6 + 0x3d9d5) #1 0x00007fb7523338a4 abort (libc.so.6 + 0x268a4) #2 0x00007fb75238d177 __libc_message (libc.so.6 + 0x80177) #3 0x00007fb752394e6c malloc_printerr (libc.so.6 + 0x87e6c) #4 0x00007fb752399b7c malloc (libc.so.6 + 0x8cb7c) #5 0x00007fb752a984c5 greedy_realloc (libsystemd-shared-246.so + 0x10a4c5) #6 0x00007fb752b0c6ca bus_match_parse (libsystemd-shared-246.so + 0x17e6ca) #7 0x00007fb752b2bcaa bus_add_match_full (libsystemd-shared-246.so + 0x19dcaa) #8 0x00007fb752b2bf3d sd_bus_add_match_async (libsystemd-shared-246.so + 0x19df3d) #9 0x00007fb752b2c117 sd_bus_track_add_name (libsystemd-shared-246.so + 0x19e117) #10 0x0000565476929e22 dns_query_bus_track (systemd-resolved + 0x27e22) #11 0x0000565476915582 bus_method_resolve_hostname (systemd-resolved + 0x13582) #12 0x00007fb752b1ff3c object_find_and_run (libsystemd-shared-246.so + 0x191f3c) #13 0x00007fb752b213ed bus_process_object (libsystemd-shared-246.so + 0x1933ed) #14 0x00007fb752b2f733 bus_process_internal (libsystemd-shared-246.so + 0x1a1733) #15 0x00007fb752b30131 io_callback (libsystemd-shared-246.so + 0x1a2131) #16 0x00007fb752b60677 source_dispatch (libsystemd-shared-246.so + 0x1d2677) #17 0x00007fb752b6095d sd_event_dispatch (libsystemd-shared-246.so + 0x1d295d) #18 0x00007fb752b61c28 sd_event_run (libsystemd-shared-246.so + 0x1d3c28) #19 0x00007fb752b61e4f sd_event_loop (libsystemd-shared-246.so + 0x1d3e4f) #20 0x000056547691bc24 run (systemd-resolved + 0x19c24) #21 0x000056547691061a main (systemd-resolved + 0xe61a) #22 0x00007fb7523351e2 __libc_start_main (libc.so.6 + 0x281e2) #23 0x00005654769106be _start (systemd-resolved + 0xe6be) gdb backtrace: Core was generated by `/usr/lib/systemd/systemd-resolved'. Program terminated with signal SIGABRT, Aborted. #0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:49 49 return ret; (gdb) bt full #0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:49 set = {__val = {17179888130, 8, 140432087934947, 140432079538518, 140432087934947, 94363142312384, 140432087934947, 140432079538986, 32, 140432079542985, 140432079541504, 140432079542295, 140432079541504, 14877651963795832576, 0, 94363142312384}} pid = <optimized out> tid = <optimized out> ret = <optimized out> #1 0x00007fb8e43188a4 in __GI_abort () at abort.c:79 save_stage = 1 act = {__sigaction_handler = {sa_handler = 0x6d616864726f66, sa_sigaction = 0x6d616864726f66}, sa_mask = {__val = {140432086520734, 140729076474240, 94363147741621, 30787871773647872, 14877651963795832576, 140729076474277, 140432087242139, 140729076474032, 14877651963795832576, 94363147741618, 140729076474032, 94363147877312, 94363147741618, 94363147877296, 94363141710200, 112}}, sa_flags = -1616169179, sa_restorer = 0x7ffe0a9cdfe0} sigs = {__val = {32, 140729076473568, 140729076473632, 140432086521313, 140729076474240, 140729076473552, 0, 94363147877330, 140728906114048, 140428250710016, 140729076474000, 140729076473664, 3, 140432087075718, 140729076473664, 3}} #2 0x00007fb8e4372177 in __libc_message (action=action@entry=do_abort, fmt=fmt@entry=0x7fb8e44843a7 "%s\n") at ../sysdeps/posix/libc_fatal.c:155 ap = {{gp_offset = 24, fp_offset = 0, overflow_arg_area = 0x7ffe0a9ce0e0, reg_save_area = 0x7ffe0a9ce070}} fd = <optimized out> list = <optimized out> nlist = <optimized out> cp = <optimized out> #3 0x00007fb8e4379e6c in malloc_printerr ( str=str@entry=0x7fb8e44866e0 "malloc_consolidate(): unaligned fastbin chunk detected") at malloc.c:5389 No locals. #4 0x00007fb8e437af14 in malloc_consolidate (av=av@entry=0x7fb8e44b6a00 <main_arena>) at malloc.c:4509 --Type <RET> for more, q to quit, c to continue without paging-- idx = <optimized out> fb = 0x7fb8e44b6a28 <main_arena+40> maxfb = 0x7fb8e44b6a58 <main_arena+88> p = 0x1 nextp = <optimized out> unsorted_bin = 0x7fb8e44b6a60 <main_arena+96> first_unsorted = <optimized out> nextchunk = <optimized out> size = <optimized out> nextsize = <optimized out> prevsize = <optimized out> nextinuse = <optimized out> #5 0x00007fb8e437cdc3 in _int_malloc (av=av@entry=0x7fb8e44b6a00 <main_arena>, bytes=bytes@entry=4096) at malloc.c:3727 nb = 4112 idx = 99 bin = <optimized out> victim = <optimized out> size = <optimized out> victim_index = <optimized out> remainder = <optimized out> remainder_size = <optimized out> block = <optimized out> bit = <optimized out> map = <optimized out> fwd = <optimized out> bck = <optimized out> tcache_unsorted_count = <optimized out> tcache_nb = <optimized out> --Type <RET> for more, q to quit, c to continue without paging-- tc_idx = <optimized out> return_cached = <optimized out> __PRETTY_FUNCTION__ = "_int_malloc" #6 0x00007fb8e437f6c5 in __libc_calloc (n=n@entry=1, elem_size=elem_size@entry=4096) at malloc.c:3448 av = <optimized out> oldtop = 0x55d2a1ea38f0 p = <optimized out> sz = 4096 csz = <optimized out> oldtopsize = 18192 mem = <optimized out> clearsize = <optimized out> nclears = <optimized out> d = <optimized out> bytes = 4096 hook = <optimized out> __PRETTY_FUNCTION__ = "__libc_calloc" #7 0x000055d29faaf686 in dns_packet_new (ret=0x7ffe0a9ce270, protocol=DNS_PROTOCOL_DNS, min_alloc_dsize=<optimized out>, max_size=65535) at ../src/resolve/resolved-dns-packet.c:74 p = <optimized out> a = 3928 __func__ = "dns_packet_new" __PRETTY_FUNCTION__ = {<optimized out> <repeats 15 times>} #8 0x000055d29fab9e7e in dns_packet_new_query.constprop.0 (ret=0x7ffe0a9ce2d0, protocol=<optimized out>, dnssec_checking_disabled=<optimized out>, min_alloc_dsize=0) at ../src/resolve/resolved-dns-packet.c:146 p = 0x55d2a193e910 r = <optimized out> __PRETTY_FUNCTION__ = {<optimized out> <repeats 21 times>} #9 0x000055d29fa9aba0 in dns_transaction_make_packet (t=0x55d2a193e910) --Type <RET> for more, q to quit, c to continue without paging-- at ../src/resolve/resolved-dns-transaction.c:1624 p = 0x0 r = <optimized out> p = <optimized out> r = <optimized out> __PRETTY_FUNCTION__ = {<optimized out> <repeats 28 times>} _ptr_ = <optimized out> #10 dns_transaction_go (t=0x55d2a193e910) at ../src/resolve/resolved-dns-transaction.c:1711 ts = 767040262109 r = <optimized out> key_str = "\360\237\212\241\322U\000\000\376U\252\344\270\177\000\000\060\343\234\n\376\177\000\000\000\177\361ɢ\tx\316\375\071\237\034˿\242]\fO\252\344\270\177", '\000' <repeats 18 times>, "\377\000\000\000\000\000\000\000\002\000\000\000\000\000\000\000\360\343\234\n\376\177\000\000 \000\000\000\000\000\000\000\230\240\212\241\322U\000\000\376U\252\344\270\177\000\000\220\343\234\n\376\177\000\000\000\177\361ɢ\tx\316q\\\246\261\270\016\265\215\230\240\212\241\322U\000\000\002\000\000\000\000\000\000\000\360\343\234\n\376\177\000\000\220\251\346\241\322U\000\000\060䕡\322U\000\000\001\000\000\000\000\000\000\000\315\\\252\344\270\177\000\000\020\017\351\241\322U\000\000\230\240\212\241\322U\000\000"... __PRETTY_FUNCTION__ = "dns_transaction_go" __func__ = "dns_transaction_go" _found = <optimized out> __assert_in_set = {<optimized out>, <optimized out>} #11 0x000055d29fa97854 in dns_query_candidate_go (c=0x55d2a19656d0) at ../src/resolve/resolved-dns-query.c:149 keep_c = 0x55d2a19656d0 t = 0x55d2a193e910 i = {idx = 4294967295, next_key = 0x0} r = <optimized out> n = 0 __PRETTY_FUNCTION__ = "dns_query_candidate_go" --Type <RET> for more, q to quit, c to continue without paging-- #12 0x000055d29fa98569 in dns_query_go (q=0x55d2a1e6a880) at ../src/resolve/resolved-dns-query.c:712 found = 5 s = <optimized out> first = <optimized out> c = 0x55d2a19656d0 r = <optimized out> __PRETTY_FUNCTION__ = {<optimized out> <repeats 13 times>} __func__ = {<optimized out> <repeats 13 times>} #13 0x000055d29fa835a7 in dns_query_go (q=<optimized out>) at ../src/resolve/resolved-dns-query.c:625 s = <optimized out> c = <optimized out> fail = <optimized out> found = DNS_SCOPE_NO first = 0x0 r = <optimized out> found = <optimized out> s = <optimized out> first = <optimized out> c = <optimized out> r = <optimized out> __PRETTY_FUNCTION__ = {<optimized out> <repeats 13 times>} __func__ = {<optimized out> <repeats 13 times>} fail = <optimized out> match = <optimized out> name = <optimized out> _level = <optimized out> _e = <optimized out> _realm = <optimized out> state = <optimized out> --Type <RET> for more, q to quit, c to continue without paging-- match = <optimized out> name = <optimized out> _level = <optimized out> _e = <optimized out> _realm = <optimized out> #14 bus_method_resolve_hostname (message=0x55d2a1e9b330, userdata=0x55d2a18a9210, error=0x7ffe0a9ce670) at ../src/resolve/resolved-bus.c:363 question_idna = 0x0 question_utf8 = 0x55d2a195e430 m = 0x55d2a18a9210 hostname = 0x55d2a1e704a0 "storm.cis.fordham.edu" family = 10 ifindex = 0 flags = 31 q = 0x55d2a1e6a880 r = 0 __PRETTY_FUNCTION__ = "bus_method_resolve_hostname" #15 0x00007fb8e4b04f3c in method_callbacks_run (found_object=0x7ffe0a9ce737, require_fallback=false, c=0x55d2a1955640, m=0x55d2a1e9b330, bus=0x55d2a1e79870) at ../src/libsystemd/sd-bus/bus-objects.c:415 slot = 0x55d2a1e6f060 error = {name = 0x0, message = 0x0, _need_free = 0} signature = <optimized out> u = 0x55d2a18a9210 r = <optimized out> error = {name = <optimized out>, message = <optimized out>, _need_free = <optimized out>} signature = <optimized out> u = <optimized out> r = <optimized out> __PRETTY_FUNCTION__ = {<optimized out> <repeats 21 times>} --Type <RET> for more, q to quit, c to continue without paging-- slot = <optimized out> __unique_prefix_A4 = <optimized out> #16 object_find_and_run (bus=0x55d2a1e79870, m=0x55d2a1e9b330, p=0x55d2a1e703e8 "/org/freedesktop/resolve1", require_fallback=false, found_object=0x7ffe0a9ce737) at ../src/libsystemd/sd-bus/bus-objects.c:1325 n = 0x55d2a19eba30 vtable_key = {path = 0x55d2a1e703e8 "/org/freedesktop/resolve1", interface = 0x55d2a1e70428 "org.freedesktop.resolve1.Manager", member = 0x55d2a1e70410 "ResolveHostname", parent = 0xce7809a2c9f17f00, last_iteration = 0, vtable = 0x55d2a1e798f8} v = 0x55d2a1955640 r = <optimized out> __PRETTY_FUNCTION__ = "object_find_and_run" #17 0x00007fb8e4b063ed in bus_process_object (bus=0x55d2a1e79870, m=0x55d2a1e9b330) at ../src/libsystemd/sd-bus/bus-objects.c:1445 prefix = 0x55d2a1e7bc10 "\313E\234\374\327U" r = <optimized out> pl = <optimized out> found_object = true __PRETTY_FUNCTION__ = "bus_process_object" #18 0x00007fb8e4b14733 in process_message (m=0x55d2a1e9b330, bus=0x55d2a1e79870) at ../src/libsystemd/sd-bus/sd-bus.c:2777 r = <optimized out> r = <optimized out> __PRETTY_FUNCTION__ = {<optimized out> <repeats 16 times>} __func__ = {<optimized out> <repeats 16 times>} finish = <optimized out> _mm = <optimized out> _level = <optimized out> --Type <RET> for more, q to quit, c to continue without paging-- _e = <optimized out> _realm = <optimized out> #19 process_running (ret=0x0, bus=<optimized out>) at ../src/libsystemd/sd-bus/sd-bus.c:2819 m = 0x55d2a1e9b330 r = 1 null_message = <optimized out> m = <optimized out> r = <optimized out> __PRETTY_FUNCTION__ = {<optimized out> <repeats 16 times>} null_message = <optimized out> __func__ = {<optimized out> <repeats 16 times>} _found = <optimized out> __assert_in_set = {<optimized out>, <optimized out>} _ptr_ = <optimized out> _level = <optimized out> _e = <optimized out> _realm = <optimized out> #20 bus_process_internal (bus=<optimized out>, ret=0x0) at ../src/libsystemd/sd-bus/sd-bus.c:3039 r = <optimized out> _dont_destroy_bus = 0x55d2a1e79870 __PRETTY_FUNCTION__ = "bus_process_internal" #21 0x00007fb8e4b15131 in io_callback (s=<optimized out>, fd=<optimized out>, revents=<optimized out>, userdata=0x55d2a1e79870) at ../src/libsystemd/sd-bus/sd-bus.c:3425 bus = 0x55d2a1e79870 r = <optimized out> __PRETTY_FUNCTION__ = "io_callback" __func__ = "io_callback" #22 0x00007fb8e4b45677 in source_dispatch (s=s@entry=0x55d2a1e8d930) at ../src/libsystemd/sd-event/sd-event.c:3181 --Type <RET> for more, q to quit, c to continue without paging-- saved_type = SOURCE_IO r = <optimized out> __PRETTY_FUNCTION__ = "source_dispatch" __func__ = "source_dispatch" #23 0x00007fb8e4b4595d in sd_event_dispatch (e=0x55d2a1e94350) at ../src/libsystemd/sd-event/sd-event.c:3620 ref = 0x55d2a1e94350 p = 0x55d2a1e8d930 r = <optimized out> __PRETTY_FUNCTION__ = "sd_event_dispatch" #24 0x00007fb8e4b46c28 in sd_event_run (e=e@entry=0x55d2a1e94350, timeout=timeout@entry=18446744073709551615) at ../src/libsystemd/sd-event/sd-event.c:3678 r = 1 __PRETTY_FUNCTION__ = "sd_event_run" #25 0x00007fb8e4b46e4f in sd_event_loop (e=0x55d2a1e94350) at ../src/libsystemd/sd-event/sd-event.c:3700 ref = <optimized out> r = <optimized out> __PRETTY_FUNCTION__ = "sd_event_loop" #26 0x000055d29fa89c24 in run (argc=<optimized out>, argv=<optimized out>) at ../src/resolve/resolved.c:92 m = <optimized out> notify_stop = 0x55d29fac2668 "STOPPING=1\nSTATUS=Shutting down..." r = 0 __func__ = "run" __PRETTY_FUNCTION__ = "run" #27 0x000055d29fa7e61a in main (argc=<optimized out>, argv=<optimized out>) at ../src/resolve/resolved.c:99 r = <optimized out>
Can you please check if this still occurs with systemd-246.12-1.fc33 (currently in updates-testing)?
(In reply to Zbigniew Jędrzejewski-Szmek from comment #1) > Can you please check if this still occurs with systemd-246.12-1.fc33 > (currently in updates-testing)? I see systemd-246.13-1.fc33.x86_64 and have installed it. So far no coredumps after an hour
OK, let's assume it is fixed.
FEDORA-2021-1c1a870ceb has been submitted as an update to Fedora 33. https://bodhi.fedoraproject.org/updates/FEDORA-2021-1c1a870ceb
FEDORA-2021-1c1a870ceb has been pushed to the Fedora 33 stable repository. If problem still persists, please make note of it in this bug report.
After upgrading to systemd-libs-246.13-1.fc33.x86_64, I'm now getting this instead of Mar 30 06:07:10 systemd-resolved[1558340]: malloc(): unaligned tcache chunk detected Mar 30 14:32:51 systemd-resolved[207182]: malloc(): unaligned fastbin chunk detected 3 Mar 30 14:32:51 systemd[1]: systemd-resolved.service: Main process exited, code=killed, status=6/ABRT Mar 30 14:32:51 systemd[1]: systemd-resolved.service: Failed with result 'signal'. Mar 30 14:32:51 systemd[1]: systemd-resolved.service: Scheduled restart job, restart counter is at 2. Mar 30 14:32:51 systemd[1]: Stopped Network Name Resolution. Mar 30 14:32:51 systemd[1]: Starting Network Name Resolution... Mar 30 14:32:51 systemd-resolved[207227]: Positive Trust Anchors: Mar 30 14:32:51 systemd-resolved[207227]: . IN DS 20326 8 2 e06d44b80b8f1d39a95c0b0d7c65d08458e880409bbc683457104237c7f8ec8d Mar 30 14:32:51 systemd-resolved[207227]: Negative trust anchors: 10.in-addr.arpa 16.172.in-addr.arpa 17.172.in-addr.arpa 18.172.in-addr.arpa 19.172.in-addr.arpa 20.172.in-addr.arpa 21.172.in-addr.arpa 22.172.in-addr.arpa 23.172.in-addr.arpa 24.172.in-addr.arpa 25.172.in-addr.arpa 26.172.in-addr.arpa 27.172.in-addr.arpa 28.172.in-addr.arpa 29.172.in-addr.arpa 30.172.in-addr.arpa 31.172.in-addr.arpa 168.192.in-addr.arpa d.f.ip6.arpa corp home internal intranet lan local private test Mar 30 14:32:51 systemd-resolved[207227]: Using system hostname 'redacted'. Mar 30 14:32:51 systemd[1]: Started Network Name Resolution. Mar 30 14:32:53 kernel: traps: systemd-resolve[207227] general protection fault ip:7f1c974f82d7 sp:7ffc0947b9a0 error:0 in libsystemd-shared-246.so[7f1c97424000+1a8000] Mar 30 14:32:53 systemd[1]: systemd-resolved.service: Main process exited, code=killed, status=11/SEGV Mar 30 14:32:53 systemd[1]: systemd-resolved.service: Failed with result 'signal'. Mar 30 14:32:53 systemd[1]: systemd-resolved.service: Scheduled restart job, restart counter is at 3. Mar 30 14:32:53 systemd[1]: Stopped Network Name Resolution. Mar 30 14:32:53 systemd[1]: Starting Network Name Resolution...
Jack: please open a new bug, with the core file or at least a full backtrace.
Created a new bug report at https://bugzilla.redhat.com/show_bug.cgi?id=1945413