[Bug 297241] netmap: reproducible kernel page fault in devfs_kqfilter_f during concurrent kqueue registration and descriptor teardown

In reply to: bugzilla-noreply_a_freebsd.org: "[Bug 297241] netmap: kernel page fault in netmap_mem_if_delete during descriptor teardown"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 03 Aug 2026 01:50:24 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=297241

--- Comment #3 from 王雪阳 <yangyang20250212@163.com> ---
The original summary incorrectly mentioned netmap_mem_if_delete. I have
corrected it to devfs_kqfilter_f so that it matches the reproducer, panic
report,
  and backtrace. This report concerns the devfs_kqfilter_f page fault only.

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