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From: Philipp Stephani
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Subject: bug#47708: 28.0.50; SIGSYS test failure with seccomp-filter.bpf
Date: Sun, 11 Apr 2021 19:39:21 +0200
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To: "Basil L. Contovounesios"
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Am So., 11. Apr. 2021 um 19:13 Uhr schrieb Basil L. Contovounesios
:
>
> Philipp Stephani writes:
>
> > Could you check which syscall exactly is failing, e.g. using
> > journalctl -g SECCOMP -t audisp-syslog
> > (assuming that system uses systemd and seccomp audit logging is enabled).
>
> After running:
>
> ./src/emacs -Q -batch -seccomp test/src/emacs-resources/seccomp-filter.bpf
>
> the last audit in 'sudo journalctl -g SECCOMP' is:
>
> Apr 11 18:08:56 tia audit[25251]: SECCOMP auid=1000 uid=1000 gid=1000
> ses=3 subj==unconfined pid=25251 comm="emacs"
> exe="/home/blc/.local/src/emacs/src/emacs" sig=31 arch=c000003e
> syscall=228 compat=0 ip=0x7fff7f1f7a7d code=0x80000000
>
> Looking up syscall 228 online points to clock_gettime, just like in the
> GDB log I attached in my previous message.
Thanks for the confirmation. (Occasionally the actual syscall is
different from the C library function that invokes it.)