From: Luis Chamberlain <mcgrof@kernel.org>
To: Randy Dunlap <rdunlap@infradead.org>
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: Re: test_kmod: BUG on module removal
Date: Fri, 23 Nov 2018 21:06:41 -0800 [thread overview]
Message-ID: <20181124050641.GG4922@garbanzo.do-not-panic.com> (raw)
In-Reply-To: <70765c55-7da9-c91c-ff20-3c915bc7ded1@infradead.org>
On Sat, Oct 13, 2018 at 10:59:46AM -0700, Randy Dunlap wrote:
> 4.19-rc7, on x86_64:
>
> modprobe test_kmod; rmmod test_kmod
>
> [ 199.033143] calling test_kmod_init+0x0/0x1000 [test_kmod] @ 1704
> [ 199.034636] misc test_kmod0: interface ready
> [ 199.035468] initcall test_kmod_init+0x0/0x1000 [test_kmod] returned 0 after 1210 usecs
> [ 206.597737] misc test_kmod0: Ending request_module() tests
> [ 206.598698] misc test_kmod0: removing interface
> [ 206.600052] BUG: unable to handle kernel paging request at ffffe150a6032048
> [ 206.601224] PGD 0 P4D 0
> [ 206.601642] Oops: 0000 [#1] PREEMPT SMP PTI
> [ 206.602309] CPU: 3 PID: 1707 Comm: rmmod Not tainted 4.19.0-rc7mod #2
> [ 206.603479] Hardware name: TOSHIBA PORTEGE R835/Portable PC, BIOS Version 4.10 01/08/2013
> [ 206.604899] RIP: 0010:kfree+0x43/0x180
Thanks, I've fixed this, and sent a patch.
Luis
prev parent reply other threads:[~2018-11-24 5:06 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-13 17:59 Randy Dunlap
2018-11-24 5:06 ` Luis Chamberlain [this message]
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