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

[email protected] Mon, 03 Aug 2026 01:50:24 +0000

Newsgroups	gmane.os.freebsd.bugs
Message-ID	<[email protected]/bugzilla/>

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D297241

--- Comment #3 from =E7=8E=8B=E9=9B=AA=E9=98=B3 <[email protected]> =
---
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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