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Sat, 19 Oct 2024 12:09:58 -0700 (PDT) MIME-Version: 1.0 From: Muni Sekhar Date: Sun, 20 Oct 2024 00:39:47 +0530 Message-ID: Subject: Assistance Needed for Kernel mode driver Soft Lockup Issue To: kernelnewbies , kernel-hardening-sc.1597159196.oakfigcenbmaokmiekdo-munisekharrms=gmail.com@lists.openwall.com, LKML X-BeenThere: kernelnewbies@kernelnewbies.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Learn about the Linux kernel List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: kernelnewbies-bounces@kernelnewbies.org RGVhciBMaW51eCBLZXJuZWwgRGV2ZWxvcGVycywKCkkgYW0gZW5jb3VudGVyaW5nIGEgc29mdCBs b2NrdXAgaXNzdWUgaW4gbXkgc3lzdGVtIHJlbGF0ZWQgdG8gdGhlCmNvbnRpbnVvdXMgd2hpbGUg bG9vcCBpbiB0aGUgZW1wdHlfcnhfZmlmbygpIGZ1bmN0aW9uLiBCZWxvdyBpcyB0aGUKcmVsZXZh bnQgY29kZToKCgojaW5jbHVkZSA8bGludXgvaW8uaD4gLy8gRm9yIHJlYWR3KCkKCiNkZWZpbmUg RklGT19TVEFUVVMgMHgwMDE0CiNkZWZpbmUgRklGT19NQU5fUkVBRCAweDAwMTUKI2RlZmluZSBS WF9GSUZPX0VNUFRZIDB4MDEgLy8gQXNzdW1pbmcgUlhfRklGT19FTVBUWSBpcyBkZWZpbmVkIGFz IDB4MDEKCnN0YXRpYyBpbmxpbmUgdWludDE2X3QgcmVhZDE2X3NoaWZ0ZWQodm9pZCBfX2lvbWVt ICphZGRyLCB1MzIgb2Zmc2V0KQp7CiAgICB2b2lkIF9faW9tZW0gKnRhcmdldF9hZGRyID0gYWRk ciArIChvZmZzZXQgPDwgMSk7IC8vIExlZnQgc2hpZnQKdGhlIG9mZnNldCBieSAxIGFuZCBhZGQg dG8gdGhlIGJhc2UgYWRkcmVzcwogICAgdWludDE2X3QgdmFsdWUgPSByZWFkdyh0YXJnZXRfYWRk cik7IC8vIFJlYWQgdGhlIDE2LWJpdCB2YWx1ZSBmcm9tCnRoZSBjYWxjdWxhdGVkIGFkZHJlc3MK ICAgIHJldHVybiB2YWx1ZTsKfQoKdm9pZCBlbXB0eV9yeF9maWZvKHZvaWQgX19pb21lbSAqYWRk cikKewogICAgd2hpbGUgKCEocmVhZDE2X3NoaWZ0ZWQoYWRkciwgRklGT19TVEFUVVMpICYgUlhf RklGT19FTVBUWSkpIHsKICAgICAgICByZWFkMTZfc2hpZnRlZChhZGRyLCBGSUZPX01BTl9SRUFE KTsgLy8gS2VlcCByZWFkaW5nIGZyb20gdGhlCkZJRk8gdW50aWwgaXQncyBlbXB0eQogICAgfQp9 CgpFeHBsYW5hdGlvbjoKRnVuY3Rpb24gTmFtZTogcmVhZDE2X3NoaWZ0ZWQg4oCUIFRoZSBmdW5j dGlvbiByZWFkcyBhIDE2LWJpdCB2YWx1ZSBmcm9tCmFuIG9mZnNldCBhZGRyZXNzIHdpdGggYSBs ZWZ0IHNoaWZ0IG9wZXJhdGlvbi4KT3BlcmF0aW9uOiBJdCBzaGlmdHMgdGhlIG9mZnNldCBsZWZ0 IGJ5IDEgKG9mZnNldCA8PCAxKSwgYWRkcyBpdCB0bwp0aGUgYmFzZSBhZGRyZXNzLCBhbmQgcmVh ZHMgdGhlIHZhbHVlIGZyb20gdGhlIG5ldyBhZGRyZXNzLgpUaGUgZW1wdHlfcnhfZmlmbyBmdW5j dGlvbiBpcyBkZXNpZ25lZCB0byBjbGVhciBvdXQgdGhlIFJYIEZJRk8sIGJ1dApJJ3ZlIGVuY291 bnRlcmVkIHNvZnQgbG9ja3VwIGlzc3Vlcy4gU3BlY2lmaWNhbGx5LCB0aGUgc3lzdGVtIGxvZ3MK cmVwZWF0ZWQgc29mdCBsb2NrdXAgbWVzc2FnZXMgaW4gdGhlIGtlcm5lbCBsb2csIHdpdGggYSB0 aW1lIGdhcCBvZgpyb3VnaGx5IDI4IHNlY29uZHMgYmV0d2VlbiB0aGVtIChhcyBwZXIgdGhlIGtl cm5lbCBsb2cgdGltZXN0YW1wcykuCkhlcmUncyBhbiBleGFtcGxlIGxvZzoKCndhdGNoZG9nOiBC VUc6IHNvZnQgbG9ja3VwIC0gQ1BVIzAgc3R1Y2sgZm9yIDIzcyEKCkluIGFsbCBjYXNlcywgdGhl IFJJUCBwb2ludHMgdG86ClJJUDogMDAxMDpyZWFkMTZfc2hpZnRlZCsweDExLzB4MjAKCgpBbmFs eXNpczoKVGhlIHNvZnQgbG9ja3VwIHNlZW1zIHRvIGJlIGNhdXNlZCBieSB0aGUgY29udGludW91 cyB3aGlsZSBsb29wIGluIHRoZQplbXB0eV9yeF9maWZvKCkgZnVuY3Rpb24uIFRoZSBSWCBGSUZP IHRha2VzIGEgY29uc2lkZXJhYmxlIGFtb3VudCBvZgp0aW1lIHRvIGVtcHR5LCBzb21ldGltZXMg dXAgdG8gMTAwMCBzZWNvbmRzLiBBcyBhIHJlc3VsdCwgZnJvbSB0aGUKZmlyc3Qgb2NjdXJyZW5j ZSBvZiB0aGUgc29mdCBsb2NrdXAgdHJhY2UsIHRoZSBsb2cgcmVwZWF0cwphcHByb3hpbWF0ZWx5 IGV2ZXJ5IDI4IHNlY29uZHMgZm9yIHRoZSBlbnRpcmUgMTAwMCBzZWNvbmRzIGR1cmF0aW9uLgpB ZnRlciAxMDAwIHNlY29uZHMsIHRoZSBzeXN0ZW0gcmVzdW1lcyBub3JtYWwgb3BlcmF0aW9uLgoK UXVlc3Rpb25zOgoxLiBIb3cgc2hvdWxkIEkgYmVzdCBoYW5kbGUgdGhpcyBraW5kIG9mIGlzc3Vl PyBFdmVuIGlmIHRoZSBoYXJkd2FyZQp0YWtlcyB0aW1lLCBJIHdvdWxkIGxpa2UgYWR2aWNlIG9u IHRoZSBiZXN0IGFwcHJvYWNoIHRvIHByZXZlbnQgdGhlc2UKbG9ja3Vwcy4KMi4gRG8gc29mdCBs b2NrdXAgaXNzdWVzIGF1dG8tcmVjb3ZlciBsaWtlIHRoaXM/IElzIHRoaXMgc29tZXRoaW5nIEkK c2hvdWxkIGNvbnNpZGVyIHNlcmlvdXMsIG9yIGNhbiBpdCBiZSBpZ25vcmVkPwoKSSB3b3VsZCBh cHByZWNpYXRlIGFueSBndWlkYW5jZSBvbiBob3cgdG8gcmVzb2x2ZSBvciBtaXRpZ2F0ZSB0aGlz IHByb2JsZW0uCgoKLS0gClRoYW5rcywKU2VraGFyCgpfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpLZXJuZWxuZXdiaWVzIG1haWxpbmcgbGlzdApLZXJuZWxu ZXdiaWVzQGtlcm5lbG5ld2JpZXMub3JnCmh0dHBzOi8vbGlzdHMua2VybmVsbmV3Ymllcy5vcmcv bWFpbG1hbi9saXN0aW5mby9rZXJuZWxuZXdiaWVzCg==