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Wed, 5 Jun 2019 19:34:58 +0000 (UTC) From: Max Reitz To: John Snow , Gerd Hoffmann References: Openpgp: preference=signencrypt Autocrypt: addr=mreitz@redhat.com; prefer-encrypt=mutual; keydata= mQENBFXOJlcBCADEyyhOTsoa/2ujoTRAJj4MKA21dkxxELVj3cuILpLTmtachWj7QW+TVG8U /PsMCFbpwsQR7oEy8eHHZwuGQsNpEtNC2G/L8Yka0BIBzv7dEgrPzIu+W3anZXQW4702+uES U29G8TP/NGfXRRHGlbBIH9KNUnOSUD2vRtpOLXkWsV5CN6vQFYgQfFvmp5ZpPeUe6xNplu8V mcTw8OSEDW/ZnxJc8TekCKZSpdzYoxfzjm7xGmZqB18VFwgJZlIibt1HE0EB4w5GsD7x5ekh awIe3RwoZgZDLQMdOitJ1tUc8aqaxvgA4tz6J6st8D8pS//m1gAoYJWGwwIVj1DjTYLtABEB AAG0HU1heCBSZWl0eiA8bXJlaXR6QHJlZGhhdC5jb20+iQFTBBMBCAA9AhsDBQkSzAMABQsJ CAcCBhUICQoLAgQWAgMBAh4BAheABQJVzie5FRhoa3A6Ly9rZXlzLmdudXBnLm5ldAAKCRD0 B9sAYdXPQDcIB/9uNkbYEex1rHKz3mr12uxYMwLOOFY9fstP5aoVJQ1nWQVB6m2cfKGdcRe1 2/nFaHSNAzT0NnKz2MjhZVmcrpyd2Gp2QyISCfb1FbT82GMtXFj1wiHmPb3CixYmWGQUUh+I AvUqsevLA+WihgBUyaJq/vuDVM1/K9Un+w+Tz5vpeMidlIsTYhcsMhn0L9wlCjoucljvbDy/ 8C9L2DUdgi3XTa0ORKeflUhdL4gucWoAMrKX2nmPjBMKLgU7WLBc8AtV+84b9OWFML6NEyo4 4cP7cM/07VlJK53pqNg5cHtnWwjHcbpGkQvx6RUx6F1My3y52vM24rNUA3+ligVEgPYBuQEN BFXOJlcBCADAmcVUNTWT6yLWQHvxZ0o47KCP8OcLqD+67T0RCe6d0LP8GsWtrJdeDIQk+T+F xO7DolQPS6iQ6Ak2/lJaPX8L0BkEAiMuLCKFU6Bn3lFOkrQeKp3u05wCSV1iKnhg0UPji9V2 W5eNfy8F4ZQHpeGUGy+liGXlxqkeRVhLyevUqfU0WgNqAJpfhHSGpBgihUupmyUg7lfUPeRM DzAN1pIqoFuxnN+BRHdAecpsLcbR8sQddXmDg9BpSKozO/JyBmaS1RlquI8HERQoe6EynJhd 64aICHDfj61rp+/0jTIcevxIIAzW70IadoS/y3DVIkuhncgDBvGbF3aBtjrJVP+5ABEBAAGJ ASUEGAEIAA8FAlXOJlcCGwwFCRLMAwAACgkQ9AfbAGHVz0CbFwf9F/PXxQR9i4N0iipISYjU sxVdjJOM2TMut+ZZcQ6NSMvhZ0ogQxJ+iEQ5OjnIputKvPVd5U7WRh+4lF1lB/NQGrGZQ1ic alkj6ocscQyFwfib+xIe9w8TG1CVGkII7+TbS5pXHRxZH1niaRpoi/hYtgzkuOPp35jJyqT/ /ELbqQTDAWcqtJhzxKLE/ugcOMK520dJDeb6x2xVES+S5LXby0D4juZlvUj+1fwZu+7Io5+B bkhSVPb/QdOVTpnz7zWNyNw+OONo1aBUKkhq2UIByYXgORPFnbfMY7QWHcjpBVw9MgC4tGeF R4bv+1nAMMxKmb5VvQCExr0eFhJUAHAhVg== Message-ID: Date: Wed, 5 Jun 2019 21:34:56 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="QvVjiAYuOeirztxrr3W7DfegXXmHIfPqm" X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Wed, 05 Jun 2019 19:35:08 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 X-Content-Filtered-By: Mailman/MimeDel 2.1.21 Subject: Re: [Qemu-devel] sigsegv in chardev on iotest 045 (raw) X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-devel Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --QvVjiAYuOeirztxrr3W7DfegXXmHIfPqm From: Max Reitz To: John Snow , Gerd Hoffmann Cc: qemu-devel Message-ID: Subject: Re: [Qemu-devel] sigsegv in chardev on iotest 045 (raw) References: In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 05.06.19 18:22, Max Reitz wrote: > On 05.06.19 03:15, John Snow wrote: >> Running tests on a development branch (I haven't touched chardev stuff= , >> I swear!); I ran into the below crash where s->ioc was NULL. I don't >> have the time to investigate at this exact moment, so please excuse th= e >> hasty report so I don't forget to tell someone. >> >> It does not reproduce consistently, and I can't get it to show up agai= n. >> >> (Is this maybe just a race on close where the device went away too fas= t >> and it had nowhere to print the information? --js) >=20 > Your back trace looks exactly like what I posted in > http://lists.nongnu.org/archive/html/qemu-devel/2018-12/msg05579.html .= >=20 > No, I don=E2=80=99t think anybody has posted a fix for this so far. I = know > other people saw similar issues. I stand corrected. I just cleaned up my inbox and found Dan pointing her= e: https://lists.gnu.org/archive/html/qemu-devel/2019-02/msg06174.html Well, er, well, yeah. Max > I know what I have on my test branch (which contains various fixes to > make all iotests run or at least pass those which are terminally broken= ): >=20 > https://git.xanclic.moe/XanClic/qemu/commit/c52433f218c61ef608ab4d9abb5= 6e1f705a3ae22 >=20 > I have a lot of patches on my test branch. (15, to be exact.) >=20 > Max >=20 --QvVjiAYuOeirztxrr3W7DfegXXmHIfPqm Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEkb62CjDbPohX0Rgp9AfbAGHVz0AFAlz4GWAACgkQ9AfbAGHV z0D0AQgAs35Tc3Oj4qNmdae21wCNY+x+vo0gdsLGQvwP/u6LMLBG22kDDmVI84mn tNJPMgODtUpeRj0+UoxdLz1EwDGxzGt5n3Yzq2fb9Wi+6QaLpQnotScGQX5cplF3 cCL+i7Xi8+q//X2u4orc6vgXMxiJCnDgciniQeMesq6NTqwDxsNk8wYEWGUH6aN8 xVE6iRYNfMRKzVIZPMIYBxucwD4CVgkSjBhiggbaBV/qvMhAxE6wh316luhEkk3B Q+fTC3kg6KoSorMgwb3zSJAYSo/ATxlHn7zFsd0irMoNZiY1MUh2AGHjNz8lNLXu dt21CSSCOHUGw0aO0aoIJ5JM3T/znw== =lkqZ -----END PGP SIGNATURE----- --QvVjiAYuOeirztxrr3W7DfegXXmHIfPqm--