[systemd-devel] log_assert_failed_realm crash in systemd journal-file

Mon Dec 21 03:30:10 UTC 2020

Hi,

Could you please help with this.
Thanks in advance.

Regards,
Aditya Tayade

On Thu, 17 Dec, 2020, 1:20 pm Aditya Tayade, <adityadtayade at gmail.com>
wrote:

> Hi,
>
> I am getting below crash in our CI environment with systemd v244-stable
> which looks similar to issue #14943
> <https://github.com/systemd/systemd/issues/14943>. So could you please
> confirm if it is the same issue and whether the PR:
> https://github.com/systemd/systemd/pull/15557 (already merged in v246)
> will fix this? If yes then we need back port of these PR to v244-stable as
> well and if not then could you please help to understand what can be cause
> of this?:
> (gdb) bt full
> #0 __GI_abort () at abort.c:107
> act = {__sigaction_handler = {sa_handler = 0x0, sa_sigaction = 0x0},
> sa_mask = {__val = {
> 18446744073709551615 <repeats 16 times>}}, sa_flags = 0, sa_restorer = 0x0}
> sigs = {__val = {32, 0 <repeats 15 times>}}
> #1 <https://github.com/systemd/systemd/pull/1> 0x0000007f87d2900c in
> log_assert_failed_realm (realm=realm at entry=LOG_REALM_SYSTEMD,
> text=text at entry=0x7f87d41f30 "p > 0",
> file=file at entry=0x7f87d41e1f "src/journal/journal-file.c", line=line at entry
> =2442,
> func=func at entry=0x7f87d42fe0 <*PRETTY_FUNCTION*.13000>
> "test_object_seqnum")
> at ../git/src/basic/log.c:809
> No locals.
> #2 <https://github.com/systemd/systemd/pull/2> 0x0000007f87d0e5e8 in
> test_object_seqnum (f=0x217c, p=0, needle=8572)
> at ../git/src/journal/journal-file.c:2442
> o =
> r =
> *PRETTY_FUNCTION* = "test_object_seqnum"
> #3 <https://github.com/systemd/systemd/pull/3> test_object_seqnum
> (f=f at entry=0x7f78012030, p=p at entry=0, needle=needle at entry=8572)
> at ../git/src/journal/journal-file.c:2437
> o = 0x7f8524a0a8
> r =
> *PRETTY_FUNCTION* = "test_object_seqnum"
> #4 <https://github.com/systemd/systemd/pull/4> 0x0000007f87d0fa84 in
> generic_array_bisect_plus_one (idx=0x0, offset=0x7f8524a210, ret=0x0,
> direction=DIRECTION_DOWN, test_object=0x7f87d0e528 <test_object_seqnum>,
> needle=8572, n=1,
> first=0, extra=0, f=0x7f78012030) at ../git/src/journal/journal-file.c:2376
> r =
> step_back =
> o = 0x173318
> r =
> --Type for more, q to quit, c to continue without paging--
> step_back =
> o =
> *PRETTY_FUNCTION* = "generic_array_bisect_plus_one"
> #5 <https://github.com/systemd/systemd/pull/5>
> generic_array_bisect_plus_one (f=0x7f78012030, extra=0, first=0, n=1,
> needle=8572,
> test_object=0x7f87d0e528 <test_object_seqnum>, direction=DIRECTION_DOWN,
> ret=0x0,
> offset=0x7f8524a210, idx=0x0) at ../git/src/journal/journal-file.c:2352
> r =
> o =
> *PRETTY_FUNCTION* = "generic_array_bisect_plus_one"
> #6 <https://github.com/systemd/systemd/pull/6> 0x0000007f87d10f84 in
> journal_file_move_to_entry_by_seqnum_for_data (f=f at entry=0x7f78012030,
> data_offset=, seqnum=8572, direction=direction at entry=DIRECTION_DOWN,
> ret=ret at entry=0x0, offset=offset at entry=0x7f8524a210) at
> ../git/src/basic/sparse-endian.h:83
> d = 0x7f77a0cce8
> r =
> *PRETTY_FUNCTION* = "journal_file_move_to_entry_by_seqnum_for_data"
> #7 <https://github.com/systemd/systemd/pull/7> 0x0000007f87d15990 in
> find_location_for_match (j=j at entry=0x7f78000bc0,
> m=m at entry=0x7f78001fa0, f=f at entry=0x7f78012030, direction=direction at entry
> =DIRECTION_DOWN,
> ret=ret at entry=0x0, offset=offset at entry=0x7f8524a210) at
> ../git/src/journal/sd-journal.c:605
> dp = 52456
> r =
> *PRETTY_FUNCTION* = "find_location_for_match"
> #8 <https://github.com/systemd/systemd/pull/8> 0x0000007f87d15838 in
> find_location_for_match (j=j at entry=0x7f78000bc0,
> m=m at entry=0x7f78001f50, f=f at entry=0x7f78012030, direction=direction at entry
> =DIRECTION_DOWN,
> ret=ret at entry=0x0, offset=offset at entry=0x7f8524a2a0) at
> ../git/src/journal/sd-journal.c:626
> cp = 7161343769125990453
> np = 0
> n = 0x6362343731363035
> --Type for more, q to quit, c to continue without paging--
> i = 0x7f78001fa0
> r =
> *PRETTY_FUNCTION* = "find_location_for_match"
> #9 <https://github.com/systemd/systemd/pull/9> 0x0000007f87d156f8 in
> find_location_for_match (j=j at entry=0x7f78000bc0,
> m=m at entry=0x7f78001f00, f=f at entry=0x7f78012030, direction=direction at entry
> =DIRECTION_DOWN,
> ret=ret at entry=0x0, offset=offset at entry=0x7f8524a330) at
> ../git/src/journal/sd-journal.c:664
> cp = 547474115520
> i = 0x7f78001f50
> np = 0
> r =
> *PRETTY_FUNCTION* = "find_location_for_match"
> #10 <https://github.com/systemd/systemd/pull/10> 0x0000007f87d15838 in
> find_location_for_match (j=j at entry=0x7f78000bc0,
> m=m at entry=0x7f78001eb0, f=f at entry=0x7f78012030, direction=direction at entry
> =DIRECTION_DOWN,
> ret=ret at entry=0x0, offset=offset at entry=0x7f8524a3c0) at
> ../git/src/journal/sd-journal.c:626
> cp = 1000000
> np = 0
> n = 0xf4240
> i = 0x7f78001f00
> r =
> *PRETTY_FUNCTION* = "find_location_for_match"
> #11 <https://github.com/systemd/systemd/pull/11> 0x0000007f87d156f8 in
> find_location_for_match (j=j at entry=0x7f78000bc0, m=0x7f78001e60,
> f=f at entry=0x7f78012030, direction=direction at entry=DIRECTION_DOWN,
> ret=ret at entry=0x7f8524a478,
> offset=offset at entry=0x7f8524a480) at ../git/src/journal/sd-journal.c:664
> cp = 547694617584
> i = 0x7f78001eb0
> np = 0
> r =
> --Type for more, q to quit, c to continue without paging--
> *PRETTY_FUNCTION* = "find_location_for_match"
> #12 <https://github.com/systemd/systemd/pull/12> 0x0000007f87d1725c in
> find_location_with_matches (offset=0x7f8524a480, ret=0x7f8524a478,
> direction=DIRECTION_DOWN, f=0x7f78012030, j=0x7f78000bc0)
> at ../git/src/journal/sd-journal.c:709
> r =
> r =
> *PRETTY_FUNCTION* =
> #13 <https://github.com/systemd/systemd/pull/13> next_beyond_location
> (direction=DIRECTION_DOWN, f=0x7f78012030, j=0x7f78000bc0)
> at ../git/src/journal/sd-journal.c:769
> c = 0x555ae98fa0 <journal_thread_impl+1240>
> cp = 547694617776
> n_entries =
> r =
> c =
> cp =
> n_entries =
> r =
> *PRETTY_FUNCTION* = "next_beyond_location"
> found =
> k =
> #14 <https://github.com/systemd/systemd/pull/14> real_journal_next
> (j=0x7f78000bc0, direction=direction at entry=DIRECTION_DOWN)
> at ../git/src/journal/sd-journal.c:823
> f = 0x7f78012030
> found =
> new_file = 0x0
> i = 8
> n_files = 9
> --Type for more, q to quit, c to continue without paging--
> files = 0x7f78002030
> o = 0x7f8524a4b0
> r =
> *PRETTY_FUNCTION* = "real_journal_next"
> *func* = "real_journal_next"
> #15 <https://github.com/systemd/systemd/pull/15> 0x0000007f87d18e10 in
> sd_journal_next (j=)
> at ../git/src/journal/sd-journal.c:860
> No locals.
>
> Let me know if any additional information is needed from my side.
>
> Thanks for help in advance!
>
> Regards,
> Aditya Tayade
>
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