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{ "id": 2195796, "url": "http://patchwork.ozlabs.org/api/covers/2195796/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/cover/20260211221953.4099441-1-brian.cain@oss.qualcomm.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260211221953.4099441-1-brian.cain@oss.qualcomm.com>", "list_archive_url": null, "date": "2026-02-11T22:19:49", "name": "[v4,0/4] Handle some invalid encodings", "submitter": { "id": 89839, "url": "http://patchwork.ozlabs.org/api/people/89839/?format=api", "name": "Brian Cain", "email": "brian.cain@oss.qualcomm.com" }, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/cover/20260211221953.4099441-1-brian.cain@oss.qualcomm.com/mbox/", "series": [ { "id": 491915, "url": "http://patchwork.ozlabs.org/api/series/491915/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=491915", "date": "2026-02-11T22:19:52", "name": "Handle some invalid encodings", "version": 4, "mbox": "http://patchwork.ozlabs.org/series/491915/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/2195796/comments/", "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256\n header.s=qcppdkim1 header.b=Y1tnh6at;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com\n header.a=rsa-sha256 header.s=google header.b=dbN2vWPR;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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helo=mx0a-0031df01.pphosted.com", "X-Spam_score_int": "-27", "X-Spam_score": "-2.8", "X-Spam_bar": "--", "X-Spam_report": "(-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001,\n RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=ham autolearn_force=no", "X-Spam_action": "no action", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "qemu development <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "Fix the issues reported by Alex Rønne Petersen causing zig test suite\nfailures. The 0x0 case is a conflicting \"multiple register write\" - the\nhandler here will cover duplexes but not the more general case of multiple\nregister writes. I'll include that in a subsequent patchset.\n\nv2: use a signal handler for SIGILL, combine the tests. S-b Pierrick.\n\nv3:\n Dropped \"Reject duplex encodings\" and added \"Detect register write\n conflicts...\" -> more general algo S-b Taylor. This patch moved over the\n test_zero() case covering the same 0x00000000 inst encoding R-b Alex.\n\nv4:\n Reg write conflict moved into decode.c, S-b Taylor.\n\nBrian Cain (4):\n target/hexagon: Fix invalid duplex decoding\n target/hexagon: Return decode failure for invalid non-duplex encodings\n tests/tcg/hexagon: Handle SIGILL internally in invalid-slots test\n target/hexagon: Detect register write conflicts\n\n linux-user/hexagon/cpu_loop.c | 5 +\n target/hexagon/cpu_bits.h | 1 +\n target/hexagon/decode.c | 70 ++++++++++-\n target/hexagon/gen_trans_funcs.py | 10 ++\n target/hexagon/insn.h | 4 +\n target/hexagon/translate.c | 28 ++++-\n tests/tcg/hexagon/Makefile.target | 8 +-\n tests/tcg/hexagon/invalid-encoding.c | 106 +++++++++++++++++\n tests/tcg/hexagon/invalid-slots.c | 76 +++++++++---\n tests/tcg/hexagon/multiple-writes.c | 169 +++++++++++++++++++++++++++\n 10 files changed, 447 insertions(+), 30 deletions(-)\n create mode 100644 tests/tcg/hexagon/invalid-encoding.c\n create mode 100644 tests/tcg/hexagon/multiple-writes.c" }