Re: BUG: core dump in selftest of proc fs

[Mirsad Goran Todorovac]

On 04. 01. 2023. 19:36, Alexey Dobriyan wrote:
> On Wed, Jan 04, 2023 at 07:27:40PM +0100, Mirsad Goran Todorovac wrote:
> > Trying to complete `make kselftest` for the first time, so maybe I'm doing something wrong?
> >
> > Or we are having a regression in 6.2-rc2 release candidate ...
> >
> > However, the output of selftest run is:
>
> > # proc-empty-vm: proc-empty-vm.c:184: test_proc_pid_maps: Assertion `rv == 0' failed.
> > # /usr/bin/timeout: the monitored command dumped core
> > # Aborted
> > not ok 5 selftests: proc: proc-empty-vm # exit=134
> > # selftests: proc: proc-pid-vm
> > # proc-pid-vm: proc-pid-vm.c:365: main: Assertion `rv == len' failed.
> > # /usr/bin/timeout: the monitored command dumped core
> > # Aborted
> >
> > Please find attached lshw output, dmesg, config and lsmod.
> >
> > I am available for further diagnostics.
> >
> > The platform is Ubuntu 22.10 kinetic kudu on a Lenovo Ideapad 3 15ITL6 laptop.
>
> What the output of "cat /proc/self/maps" ?

root@marvin-IdeaPad-3-15ITL6:/home/marvin/linux/kernel/linux_torvalds# cat /proc/self/maps
5606e3099000-5606e309b000 r--p 00000000 103:04 5505728                   /usr/bin/cat
5606e309b000-5606e309f000 r-xp 00002000 103:04 5505728                   /usr/bin/cat
5606e309f000-5606e30a1000 r--p 00006000 103:04 5505728                   /usr/bin/cat
5606e30a1000-5606e30a2000 r--p 00007000 103:04 5505728                   /usr/bin/cat
5606e30a2000-5606e30a3000 rw-p 00008000 103:04 5505728                   /usr/bin/cat
5606e4804000-5606e4825000 rw-p 00000000 00:00 0                          [heap]
7f9833400000-7f9833c42000 r--p 00000000 103:04 5505206                   /usr/lib/locale/locale-archive
7f9833e00000-7f9833e22000 r--p 00000000 103:04 5506045                   /usr/lib/x86_64-linux-gnu/libc.so.6
7f9833e22000-7f9833f9b000 r-xp 00022000 103:04 5506045                   /usr/lib/x86_64-linux-gnu/libc.so.6
7f9833f9b000-7f9833ff2000 r--p 0019b000 103:04 5506045                   /usr/lib/x86_64-linux-gnu/libc.so.6
7f9833ff2000-7f9833ff6000 r--p 001f1000 103:04 5506045                   /usr/lib/x86_64-linux-gnu/libc.so.6
7f9833ff6000-7f9833ff8000 rw-p 001f5000 103:04 5506045                   /usr/lib/x86_64-linux-gnu/libc.so.6
7f9833ff8000-7f9834005000 rw-p 00000000 00:00 0
7f983401e000-7f9834040000 rw-p 00000000 00:00 0
7f9834040000-7f9834097000 r--p 00000000 103:04 5636099                   /usr/lib/locale/C.utf8/LC_CTYPE
7f9834097000-7f983409a000 rw-p 00000000 00:00 0
7f983409d000-7f983409e000 r--p 00000000 103:04 5636115                   /usr/lib/locale/C.utf8/LC_NUMERIC
7f983409e000-7f983409f000 r--p 00000000 103:04 5636123                   /usr/lib/locale/C.utf8/LC_TIME
7f983409f000-7f98340a0000 r--p 00000000 103:04 5636098                   /usr/lib/locale/C.utf8/LC_COLLATE
7f98340a0000-7f98340a1000 r--p 00000000 103:04 5636111                   /usr/lib/locale/C.utf8/LC_MONETARY
7f98340a1000-7f98340a2000 r--p 00000000 103:04 5636109                   /usr/lib/locale/C.utf8/LC_MESSAGES/SYS_LC_MESSAGES
7f98340a2000-7f98340a3000 r--p 00000000 103:04 5636117                   /usr/lib/locale/C.utf8/LC_PAPER
7f98340a3000-7f98340a4000 r--p 00000000 103:04 5636113                   /usr/lib/locale/C.utf8/LC_NAME
7f98340a4000-7f98340a5000 r--p 00000000 103:04 5636097                   /usr/lib/locale/C.utf8/LC_ADDRESS
7f98340a5000-7f98340a6000 r--p 00000000 103:04 5636121                   /usr/lib/locale/C.utf8/LC_TELEPHONE
7f98340a6000-7f98340a7000 r--p 00000000 103:04 5636107                   /usr/lib/locale/C.utf8/LC_MEASUREMENT
7f98340a7000-7f98340ae000 r--s 00000000 103:04 6164284                   /usr/lib/x86_64-linux-gnu/gconv/gconv-modules.cache
7f98340ae000-7f98340af000 r--p 00000000 103:04 5636106                   /usr/lib/locale/C.utf8/LC_IDENTIFICATION
7f98340af000-7f98340b1000 rw-p 00000000 00:00 0
7f98340b1000-7f98340b2000 r--p 00000000 103:04 5505669                   /usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2
7f98340b2000-7f98340db000 r-xp 00001000 103:04 5505669                   /usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2
7f98340db000-7f98340e5000 r--p 0002a000 103:04 5505669                   /usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2
7f98340e5000-7f98340e7000 r--p 00034000 103:04 5505669                   /usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2
7f98340e7000-7f98340e9000 rw-p 00036000 103:04 5505669                   /usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2
7ffd0e771000-7ffd0e792000 rw-p 00000000 00:00 0                          [stack]
7ffd0e7ec000-7ffd0e7f0000 r--p 00000000 00:00 0                          [vvar]
7ffd0e7f0000-7ffd0e7f2000 r-xp 00000000 00:00 0                          [vdso]
ffffffffff600000-ffffffffff601000 --xp 00000000 00:00 0                  [vsyscall]
root@marvin-IdeaPad-3-15ITL6:/home/marvin/linux/kernel/linux_torvalds#

Sorry, overlooked your reply in the bunch of msgs. :(

Thanks,
Mirsad

--
Mirsad Goran Todorovac
Sistem inženjer
Grafički fakultet | Akademija likovnih umjetnosti
Sveučilište u Zagrebu
--
System engineer
Faculty of Graphic Arts | Academy of Fine Arts
University of Zagreb, Republic of Croatia
The European Union