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Date: Tue, 26 May 2015 11:31:40 -0500 From: ebiederm@...ssion.com (Eric W. Biederman) To: Alexander Larsson <alexl@...hat.com> Cc: containers@...ts.linux-foundation.org, linux-kernel@...r.kernel.org Subject: Re: Kernel panic with user namespaces Alexander Larsson <alexl@...hat.com> writes: > On mån, 2015-05-18 at 16:39 +0200, Alexander Larsson wrote: > > Didn't get any replies to the below kernel panic (testcase attached), > which seems rather important to fix. Reposting to a wider audience. Buggered backport greg already has the fix somewhere in his queue. >> If I build and run the attached break-kernel.c as a user i get this >> kernel panic on the fedora 4.0.3 kernel: >> >> maj 18 16:33:36 nano kernel: BUG: unable to handle kernel NULL pointer dereference at (null) >> maj 18 16:33:36 nano kernel: IP: [<ffffffff81250288>] pin_remove+0x58/0xc0 >> maj 18 16:33:36 nano kernel: PGD 1cc973067 PUD 1d727b067 PMD 0 >> maj 18 16:33:36 nano kernel: Oops: 0002 [#1] SMP Eric -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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