[Bug 212168] [panic] [UFS] use-after-free panic (0xdeadc0dedeadc0de)

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=212168

--- Comment #14 from Andrew Turner <Andrew at FreeBSD.org> ---
I have setup one of the netperf ThunderX machines with UFS SU+J. I can trigger
this issue with a buildworld in a loop. I tried adding logging to see what
memory was allocated but didn't manage to trigger the issue.

I then tried adding an atomic memory barrier into worklist_insert and
worklist_remove. I'm currently testing this change, and have yet to see the
issue after about 2 hours.

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