[GH-ISSUE #1490] Better way to investigate syscalls #999

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opened 2026-05-05 07:17:04 -06:00 by gitea-mirror · 1 comment
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Originally created by @chiraag-nataraj on GitHub (Aug 23, 2017).
Original GitHub issue: https://github.com/netblue30/firejail/issues/1490

I set up a customized seccomp list for mutt (I know, they break pretty easily) and the new version of Mutt broke it. But when I run it, there is no relevant output in the audit logs (I used sudo ausearch --raw since I'm using Debian). I don't understand how that could be happening though...shouldn't any failed syscalls register in the system log?

[Edit] This is even weirder. It seems mutt hasn't been updated, which means firejail's syscall list spontaneously broke with Mutt, for no apparent reason. I'm going to try with the latest commit. Yup, I have this issue with the latest commit as well.

Originally created by @chiraag-nataraj on GitHub (Aug 23, 2017). Original GitHub issue: https://github.com/netblue30/firejail/issues/1490 I set up a customized seccomp list for mutt (I know, they break pretty easily) and the new version of Mutt broke it. But when I run it, there is no relevant output in the audit logs (I used `sudo ausearch --raw` since I'm using Debian). I don't understand how that could be happening though...shouldn't any failed syscalls register in the system log? [Edit] This is even weirder. It seems mutt _hasn't_ been updated, which means firejail's syscall list spontaneously broke with Mutt, for no apparent reason. I'm going to try with the latest commit. Yup, I have this issue with the latest commit as well.
gitea-mirror 2026-05-05 07:17:04 -06:00
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@netblue30 commented on GitHub (Aug 23, 2017):

Seccomp whitelist got broken a few days ago, thanks for the bug!

<!-- gh-comment-id:324377096 --> @netblue30 commented on GitHub (Aug 23, 2017): Seccomp whitelist got broken a few days ago, thanks for the bug!
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Reference: github-starred/firejail#999
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