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Tue, 16 Mar 2021 10:44:11 +0800 From: Walter Wu To: Andrey Ryabinin , Alexander Potapenko , Dmitry Vyukov , Matthias Brugger , Andrey Konovalov , "Andrew Morton" , Jens Axboe , "Oleg Nesterov" CC: , , , , wsd_upstream , , Walter Wu Subject: [PATCH v2] task_work: kasan: record task_work_add() call stack Date: Tue, 16 Mar 2021 10:44:10 +0800 Message-ID: <20210316024410.19967-1-walter-zh.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Content-Transfer-Encoding: base64 X-Stat-Signature: xs9jr6ewqem11wy65bfa8w56r6j8tc87 X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 62B998019147 Received-SPF: none (mediatek.com>: No applicable sender policy available) receiver=imf16; identity=mailfrom; envelope-from=""; helo=mailgw02.mediatek.com; client-ip=216.200.240.185 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1615863263-207860 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: V2h5IHJlY29yZCB0YXNrX3dvcmtfYWRkKCkgY2FsbCBzdGFjaz8NClN5emJvdCByZXBvcnRzIG1h bnkgdXNlLWFmdGVyLWZyZWUgaXNzdWVzIGZvciB0YXNrX3dvcmssIHNlZSBbMV0uDQpBZnRlciBz ZWUgdGhlIGZyZWUgc3RhY2sgYW5kIHRoZSBjdXJyZW50IGF1eGlsaWFyeSBzdGFjaywgd2UgdGhp bmsNCnRoZXkgYXJlIHVzZWxlc3MsIHdlIGRvbid0IGtub3cgd2hlcmUgcmVnaXN0ZXIgdGhlIHdv cmssIHRoaXMgd29yaw0KbWF5IGJlIHRoZSBmcmVlIGNhbGwgc3RhY2ssIHNvIHRoYXQgd2UgbWlz cyB0aGUgcm9vdCBjYXVzZSBhbmQNCmRvbid0IHNvbHZlIHRoZSB1c2UtYWZ0ZXItZnJlZS4NCg0K QWRkIHRhc2tfd29ya19hZGQoKSBjYWxsIHN0YWNrIGludG8gS0FTQU4gYXV4aWxpYXJ5IHN0YWNr IGluDQpvcmRlciB0byBpbXByb3ZlIEtBU0FOIHJlcG9ydC4gSXQgaXMgdXNlZnVsIGZvciBwcm9n cmFtbWVycw0KdG8gc29sdmUgdXNlLWFmdGVyLWZyZWUgaXNzdWVzLg0KDQpbMV06IGh0dHBzOi8v Z3JvdXBzLmdvb2dsZS5jb20vZy9zeXprYWxsZXItYnVncy9zZWFyY2g/cT1rYXNhbiUyMHVzZS1h ZnRlci1mcmVlJTIwdGFza193b3JrX3J1bg0KDQpTaWduZWQtb2ZmLWJ5OiBXYWx0ZXIgV3UgPHdh bHRlci16aC53dUBtZWRpYXRlay5jb20+DQpTdWdnZXN0ZWQtYnk6IERtaXRyeSBWeXVrb3YgPGR2 eXVrb3ZAZ29vZ2xlLmNvbT4NCkNjOiBBbmRyZXkgS29ub3ZhbG92IDxhbmRyZXlrbnZsQGdvb2ds ZS5jb20+DQpDYzogQW5kcmV5IFJ5YWJpbmluIDxyeWFiaW5pbi5hLmFAZ21haWwuY29tPg0KQ2M6 IERtaXRyeSBWeXVrb3YgPGR2eXVrb3ZAZ29vZ2xlLmNvbT4NCkNjOiBBbGV4YW5kZXIgUG90YXBl bmtvIDxnbGlkZXJAZ29vZ2xlLmNvbT4NCkNjOiBBbmRyZXcgTW9ydG9uIDxha3BtQGxpbnV4LWZv dW5kYXRpb24ub3JnPg0KQ2M6IE1hdHRoaWFzIEJydWdnZXIgPG1hdHRoaWFzLmJnZ0BnbWFpbC5j b20+DQpDYzogSmVucyBBeGJvZSA8YXhib2VAa2VybmVsLmRrPg0KQ2M6IE9sZWcgTmVzdGVyb3Yg PG9sZWdAcmVkaGF0LmNvbT4NCi0tLQ0KDQp2MjogRml4IGthc2FuX3JlY29yZF9hdXhfc3RhY2so KSBjYWxsaW5nIHNlcXVlbmNlIGlzc3VlLg0KICAgIFRoYW5rcyBmb3IgRG1pdHJ5J3Mgc3VnZ2Vz dGlvbg0KDQotLS0NCiBrZXJuZWwvdGFza193b3JrLmMgfCAzICsrKw0KIG1tL2thc2FuL2thc2Fu LmggICB8IDIgKy0NCiAyIGZpbGVzIGNoYW5nZWQsIDQgaW5zZXJ0aW9ucygrKSwgMSBkZWxldGlv bigtKQ0KDQpkaWZmIC0tZ2l0IGEva2VybmVsL3Rhc2tfd29yay5jIGIva2VybmVsL3Rhc2tfd29y ay5jDQppbmRleCA5Y2RlOTYxODc1YzAuLjNkNDg1Mjg5MWZhOCAxMDA2NDQNCi0tLSBhL2tlcm5l bC90YXNrX3dvcmsuYw0KKysrIGIva2VybmVsL3Rhc2tfd29yay5jDQpAQCAtMzQsNiArMzQsOSBA QCBpbnQgdGFza193b3JrX2FkZChzdHJ1Y3QgdGFza19zdHJ1Y3QgKnRhc2ssIHN0cnVjdCBjYWxs YmFja19oZWFkICp3b3JrLA0KIHsNCiAJc3RydWN0IGNhbGxiYWNrX2hlYWQgKmhlYWQ7DQogDQor CS8qIHJlY29yZCB0aGUgd29yayBjYWxsIHN0YWNrIGluIG9yZGVyIHRvIHByaW50IGl0IGluIEtB U0FOIHJlcG9ydHMgKi8NCisJa2FzYW5fcmVjb3JkX2F1eF9zdGFjayh3b3JrKTsNCisNCiAJZG8g ew0KIAkJaGVhZCA9IFJFQURfT05DRSh0YXNrLT50YXNrX3dvcmtzKTsNCiAJCWlmICh1bmxpa2Vs eShoZWFkID09ICZ3b3JrX2V4aXRlZCkpDQpkaWZmIC0tZ2l0IGEvbW0va2FzYW4va2FzYW4uaCBi L21tL2thc2FuL2thc2FuLmgNCmluZGV4IDM0MzZjNmJmN2MwYy4uZTQ2MjlhOTcxYTNjIDEwMDY0 NA0KLS0tIGEvbW0va2FzYW4va2FzYW4uaA0KKysrIGIvbW0va2FzYW4va2FzYW4uaA0KQEAgLTE0 Niw3ICsxNDYsNyBAQCBzdHJ1Y3Qga2FzYW5fYWxsb2NfbWV0YSB7DQogCXN0cnVjdCBrYXNhbl90 cmFjayBhbGxvY190cmFjazsNCiAjaWZkZWYgQ09ORklHX0tBU0FOX0dFTkVSSUMNCiAJLyoNCi0J ICogY2FsbF9yY3UoKSBjYWxsIHN0YWNrIGlzIHN0b3JlZCBpbnRvIHN0cnVjdCBrYXNhbl9hbGxv Y19tZXRhLg0KKwkgKiBUaGUgYXV4aWxpYXJ5IHN0YWNrIGlzIHN0b3JlZCBpbnRvIHN0cnVjdCBr YXNhbl9hbGxvY19tZXRhLg0KIAkgKiBUaGUgZnJlZSBzdGFjayBpcyBzdG9yZWQgaW50byBzdHJ1 Y3Qga2FzYW5fZnJlZV9tZXRhLg0KIAkgKi8NCiAJZGVwb3Rfc3RhY2tfaGFuZGxlX3QgYXV4X3N0 YWNrWzJdOw0KLS0gDQoyLjE4LjANCg==