[Bug 262829] epair: New panic when destroying epair interface of vnet jail
Date: Fri, 06 May 2022 11:56:23 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=262829 --- Comment #8 from commit-hook@FreeBSD.org --- A commit in branch main references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=868bf82153e8ff22f09a8860c872149e0fb6bdef commit 868bf82153e8ff22f09a8860c872149e0fb6bdef Author: Kristof Provost <kp@FreeBSD.org> AuthorDate: 2022-03-27 18:23:25 +0000 Commit: Kristof Provost <kp@FreeBSD.org> CommitDate: 2022-05-06 11:55:08 +0000 if: avoid interface destroy race When we destroy an interface while the jail containing it is being destroyed we risk seeing a race between if_vmove() and the destruction code, which results in us trying to move a destroyed interface. Protect against this by using the ifnet_detach_sxlock to also covert if_vmove() (and not just detach). PR: 262829 MFC after: 3 weeks Differential Revision: https://reviews.freebsd.org/D34704 sys/net/if.c | 22 ++++++++++++++++++++-- tests/sys/net/if_clone_test.sh | 29 +++++++++++++++++++++++++++++ 2 files changed, 49 insertions(+), 2 deletions(-) -- You are receiving this mail because: You are the assignee for the bug.