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Mon, 04 Jan 2021 18:11:10 -0800 (PST) MIME-Version: 1.0 References: <20210105012826.956800-1-daeho43@gmail.com> <904b7677-3655-2e81-52e0-48296cf1c0da@huawei.com> In-Reply-To: <904b7677-3655-2e81-52e0-48296cf1c0da@huawei.com> From: Daeho Jeong Date: Tue, 5 Jan 2021 11:10:59 +0900 Message-ID: To: Chao Yu X-Headers-End: 1kwbob-00E7aw-2g Subject: Re: [f2fs-dev] [PATCH] f2fs: fix null page reference in redirty_blocks X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Colin Ian King , Daeho Jeong , kernel-team@android.com, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net WWVzLCBpdCdzIGJldHRlcn4gOikKCjIwMjHrhYQgMeyblCA17J28ICjtmZQpIOyYpOyghCAxMDo0 NCwgQ2hhbyBZdSA8eXVjaGFvMEBodWF3ZWkuY29tPuuLmOydtCDsnpHshLE6Cj4KPiBPbiAyMDIx LzEvNSA5OjI4LCBEYWVobyBKZW9uZyB3cm90ZToKPiA+IEZyb206IERhZWhvIEplb25nIDxkYWVo b2plb25nQGdvb2dsZS5jb20+Cj4gPgo+ID4gRml4ZWQgbnVsbCBwYWdlIHJlZmVyZW5jZSB3aGVu IGZpbmRfbG9ja19wYWdlKCkgZmFpbHMgaW4KPiA+IHJlZGlydHlfYmxvY2tzKCkuCj4gPgo+ID4g U2lnbmVkLW9mZi1ieTogRGFlaG8gSmVvbmcgPGRhZWhvamVvbmdAZ29vZ2xlLmNvbT4KPiA+IFJl cG9ydGVkLWJ5OiBDb2xpbiBJYW4gS2luZyA8Y29saW4ua2luZ0BjYW5vbmljYWwuY29tPgo+ID4g Rml4ZXM6IDVmZGIzMjJmZjJjMiAoImYyZnM6IGFkZCBGMkZTX0lPQ19ERUNPTVBSRVNTX0ZJTEUg YW5kIEYyRlNfSU9DX0NPTVBSRVNTX0ZJTEUiKQo+ID4gLS0tCj4gPiAgIGZzL2YyZnMvZmlsZS5j IHwgNCArKystCj4gPiAgIDEgZmlsZSBjaGFuZ2VkLCAzIGluc2VydGlvbnMoKyksIDEgZGVsZXRp b24oLSkKPiA+Cj4gPiBkaWZmIC0tZ2l0IGEvZnMvZjJmcy9maWxlLmMgYi9mcy9mMmZzL2ZpbGUu Ywo+ID4gaW5kZXggOWU1Mjc1NzE2YmU4Li5iZjY2ODJhNTI0MzMgMTAwNjQ0Cj4gPiAtLS0gYS9m cy9mMmZzL2ZpbGUuYwo+ID4gKysrIGIvZnMvZjJmcy9maWxlLmMKPiA+IEBAIC00MDYwLDggKzQw NjAsMTAgQEAgc3RhdGljIGludCByZWRpcnR5X2Jsb2NrcyhzdHJ1Y3QgaW5vZGUgKmlub2RlLCBw Z29mZl90IHBhZ2VfaWR4LCBpbnQgbGVuKQo+ID4KPiA+ICAgICAgIGZvciAoaSA9IDA7IGkgPCBw YWdlX2xlbjsgaSsrLCByZWRpcnR5X2lkeCsrKSB7Cj4gPiAgICAgICAgICAgICAgIHBhZ2UgPSBm aW5kX2xvY2tfcGFnZShtYXBwaW5nLCByZWRpcnR5X2lkeCk7Cj4gPiAtICAgICAgICAgICAgIGlm ICghcGFnZSkKPiA+ICsgICAgICAgICAgICAgaWYgKCFwYWdlKSB7Cj4gPiAgICAgICAgICAgICAg ICAgICAgICAgcmV0ID0gLUVOT0VOVDsKPgo+IHJldCA9IC1FTk9NRU07Cj4KPiA+ICsgICAgICAg ICAgICAgICAgICAgICBjb250aW51ZTsKPgo+IEhvdyBhYm91dCBicmVha2luZyB0aGUgbG9vcCBm b3Igb3V0LW9mLW1lbW9yeSBjYXNlLCBiZWNhdXNlIGluIHN1Y2ggY29uZGl0aW9uCj4gd2UgaGF2 ZSBsZXNzIGNoYW5jZSB0byBkaXJ0eSB3aG9sZSBjbHVzdGVyIGR1ZSB0byBubyBtZW1vcnksIGFu ZCBjb250aW51ZSB0bwo+IGFsbG9jYXRlIHBhZ2VzIGZvciB0YXJnZXQgZmlsZSB3aWxsIG1ha2Ug c3lzdGVtIHN1ZmZlciBtb3JlIG1lbW9yeSBwcmVzc3VyZSwKPiBpdCB3aWxsIG1ha2UgbWFueSB0 aGluZyBzbG93ZXIuCj4KPiBUaG5ha3MsCj4KPiA+ICsgICAgICAgICAgICAgfQo+ID4gICAgICAg ICAgICAgICBzZXRfcGFnZV9kaXJ0eShwYWdlKTsKPiA+ICAgICAgICAgICAgICAgZjJmc19wdXRf cGFnZShwYWdlLCAxKTsKPiA+ICAgICAgICAgICAgICAgZjJmc19wdXRfcGFnZShwYWdlLCAwKTsK PiA+CgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTGlu dXgtZjJmcy1kZXZlbCBtYWlsaW5nIGxpc3QKTGludXgtZjJmcy1kZXZlbEBsaXN0cy5zb3VyY2Vm b3JnZS5uZXQKaHR0cHM6Ly9saXN0cy5zb3VyY2Vmb3JnZS5uZXQvbGlzdHMvbGlzdGluZm8vbGlu dXgtZjJmcy1kZXZlbAo=