Date: Tue, 12 Jan 2021 17:34:41 +0000 From: bugzilla-noreply@freebsd.org To: usb@FreeBSD.org Subject: [Bug 252608] [panic] [usb] [if_ure] Kernel fault on ure disconnect Message-ID: <bug-252608-19105-bQZHxc6Y25@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-252608-19105@https.bugs.freebsd.org/bugzilla/> References: <bug-252608-19105@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D252608 --- Comment #11 from commit-hook@FreeBSD.org --- A commit in branch main references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=3D6e5baec33c1032f4fbf713d601a34b465= 8b918a2 commit 6e5baec33c1032f4fbf713d601a34b4658b918a2 Author: Hans Petter Selasky <hselasky@FreeBSD.org> AuthorDate: 2021-01-12 13:13:14 +0000 Commit: Hans Petter Selasky <hselasky@FreeBSD.org> CommitDate: 2021-01-12 16:57:58 +0000 Fix for use-after-free in if_ure(4) driver. When detaching the if_ure(4) driver, the TX active USB transfer array m= ay point to freed USB transfers. Given that the number of USB transfers is very low, simply start all transfers every time there is a packet to keep safe from use-after-free. PR: 252608 MFC after: 1 week Sponsored by: Mellanox Technologies // NVIDIA Networking sys/dev/usb/net/if_ure.c | 49 ++++-------------------------------------= ---- sys/dev/usb/net/if_urereg.h | 9 --------- 2 files changed, 4 insertions(+), 54 deletions(-) --=20 You are receiving this mail because: You are the assignee for the bug.=
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