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charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-8.4 required=5.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE, USER_IN_DEF_DKIM_WL autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on fry.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (fry.vger.email [0.0.0.0]); Thu, 07 Dec 2023 06:28:00 -0800 (PST) On Thu, Dec 7, 2023 at 2:28=E2=80=AFPM xingwei lee = wrote: > > Hello, > > When fuzzing the latest upstream linux 6.7-rc4, the following crash > was triggered. > HEAD commit: bee0e7762ad2c6025b9f5245c040fcc36ef2bde8 > > If you fix this issue, please add the following tag to the commit: > Reported-by: xingwei Lee > > console_log: https://gist.github.com/xrivendell7/b41fbc928cd203823783fd90= c98b6583#file-console_log > report: https://gist.github.com/xrivendell7/b41fbc928cd203823783fd90c98b6= 583#file-report > kernel commit: bee0e7762ad2c6025b9f5245c040fcc36ef2bde8 > kernel config: https://syzkaller.appspot.com/text?tag=3DKernelConfig&x=3D= ce27066613dacbb6 > repro.c: https://gist.github.com/xrivendell7/b41fbc928cd203823783fd90c98b= 6583#file-repro-c > repro.txt: https://gist.github.com/xrivendell7/b41fbc928cd203823783fd90c9= 8b6583#file-repro-txt > > In the lasted kernel: bee0e7762ad2c6025b9f5245c040fcc36ef2bde8 the > [ 199.471467][ T8590] =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > [ 199.475015][ T8590] BUG: KMSAN: uninit-value in ip_tunnel_xmit+0x857/0= x3e80 > [ 199.478180][ T8590] ip_tunnel_xmit+0x857/0x3e80 In the future, please consider symbolizing your reports using syz-symbolize before sending them upstream.