From mboxrd@z Thu Jan 1 00:00:00 1970 From: Deepa Dinamani Subject: [PATCH v3 5/5] utimes: Clamp the timestamps before update Date: Sat, 18 Feb 2017 15:30:08 -0800 Message-ID: <1487460608-15697-6-git-send-email-deepa.kernel@gmail.com> References: <1487460608-15697-1-git-send-email-deepa.kernel@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Cc: linux-fsdevel@vger.kernel.org, y2038@lists.linaro.org, linux-kernel@vger.kernel.org, arnd@arndb.de To: viro@zeniv.linux.org.uk, tytso@mit.edu, adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org Return-path: In-Reply-To: <1487460608-15697-1-git-send-email-deepa.kernel@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: y2038-bounces@lists.linaro.org Sender: "Y2038" List-Id: linux-ext4.vger.kernel.org UE9TSVguMSBzZWN0aW9uIGZvciBmdXRpbWVucywgdXRpbWVuc2F0IGFuZCB1dGltZXMgc2F5czoK VGhlIGZpbGUncyByZWxldmFudCB0aW1lc3RhbXAgc2hhbGwgYmUgc2V0IHRvIHRoZQpncmVhdGVz dCB2YWx1ZSBzdXBwb3J0ZWQgYnkgdGhlIGZpbGUgc3lzdGVtIHRoYXQgaXMKbm90IGdyZWF0ZXIg dGhhbiB0aGUgc3BlY2lmaWVkIHRpbWUuCgpDbGFtcCB0aGUgdGltZXN0YW1wcyBhY2NvcmRpbmds eSBiZWZvcmUgYXNzaWdubWVudC4KCk5vdGUgdGhhdCB0aGUgY2xhbXBfdCBtYWNybyBpcyB1c2Vk IGZvciBjbGFtcGluZyBoZXJlIGFzIHZmcwppcyBub3QgeWV0IHVzaW5nIHN0cnVjdCB0aW1lc3Bl YzY0IGludGVybmFsbHkuIFRoaXMgaXMKcmVxdWlyZWQgZm9yIGNvbXBpbGF0aW9uIHB1cnBvc2Vz LgpBbHNvIG5vdGUgdGhhdCBjbGFtcCB3b24ndCBkbyB0aGUgcmlnaHQgdGhpbmcgZm9yIHRpbWVz dGFtcHMKYmV5b25kIDIwMzggb24gMzItYml0IG1hY2hpbmVzIHVudGlsIHRoZSB2ZnMgdXNlcyB0 aW1lc3BlYzY0LgpBZnRlciB0aGUgdmZzIGlzIHRyYW5zaXRpb25lZCB0byB1c2UgdGltZXNwZWM2 NCBmb3IgdGltZXN0YW1wcywKY2xhbXBfdCgpIGNhbiBiZSByZXBsYWNlZCBieSBjbGFtcCgpLgoK U2lnbmVkLW9mZi1ieTogRGVlcGEgRGluYW1hbmkgPGRlZXBhLmtlcm5lbEBnbWFpbC5jb20+Ci0t LQogZnMvdXRpbWVzLmMgfCAxNyArKysrKysrKysrKysrLS0tLQogMSBmaWxlIGNoYW5nZWQsIDEz IGluc2VydGlvbnMoKyksIDQgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvZnMvdXRpbWVzLmMg Yi9mcy91dGltZXMuYwppbmRleCAzMmIxNWIzLi4wNTJmZTVkIDEwMDY0NAotLS0gYS9mcy91dGlt ZXMuYworKysgYi9mcy91dGltZXMuYwpAQCAtNTMsNiArNTMsNyBAQCBzdGF0aWMgaW50IHV0aW1l c19jb21tb24oY29uc3Qgc3RydWN0IHBhdGggKnBhdGgsIHN0cnVjdCB0aW1lc3BlYyAqdGltZXMp CiAJaW50IGVycm9yOwogCXN0cnVjdCBpYXR0ciBuZXdhdHRyczsKIAlzdHJ1Y3QgaW5vZGUgKmlu b2RlID0gcGF0aC0+ZGVudHJ5LT5kX2lub2RlOworCXN0cnVjdCBzdXBlcl9ibG9jayAqc2IgPSBp bm9kZS0+aV9zYjsKIAlzdHJ1Y3QgaW5vZGUgKmRlbGVnYXRlZF9pbm9kZSA9IE5VTEw7CiAKIAll cnJvciA9IG1udF93YW50X3dyaXRlKHBhdGgtPm1udCk7CkBAIC02OCwxNiArNjksMjQgQEAgc3Rh dGljIGludCB1dGltZXNfY29tbW9uKGNvbnN0IHN0cnVjdCBwYXRoICpwYXRoLCBzdHJ1Y3QgdGlt ZXNwZWMgKnRpbWVzKQogCQlpZiAodGltZXNbMF0udHZfbnNlYyA9PSBVVElNRV9PTUlUKQogCQkJ bmV3YXR0cnMuaWFfdmFsaWQgJj0gfkFUVFJfQVRJTUU7CiAJCWVsc2UgaWYgKHRpbWVzWzBdLnR2 X25zZWMgIT0gVVRJTUVfTk9XKSB7Ci0JCQluZXdhdHRycy5pYV9hdGltZS50dl9zZWMgPSB0aW1l c1swXS50dl9zZWM7Ci0JCQluZXdhdHRycy5pYV9hdGltZS50dl9uc2VjID0gdGltZXNbMF0udHZf bnNlYzsKKwkJCW5ld2F0dHJzLmlhX2F0aW1lLnR2X3NlYyA9CisJCQkJY2xhbXBfdCh0aW1lNjRf dCwgdGltZXNbMF0udHZfc2VjLCBzYi0+c190aW1lX21pbiwgc2ItPnNfdGltZV9tYXgpOworCQkJ aWYgKHRpbWVzWzBdLnR2X3NlYyA+PSBzYi0+c190aW1lX21heCkKKwkJCQluZXdhdHRycy5pYV9h dGltZS50dl9uc2VjID0gMDsKKwkJCWVsc2UKKwkJCQluZXdhdHRycy5pYV9hdGltZS50dl9uc2Vj ID0gdGltZXNbMF0udHZfbnNlYzsKIAkJCW5ld2F0dHJzLmlhX3ZhbGlkIHw9IEFUVFJfQVRJTUVf U0VUOwogCQl9CiAKIAkJaWYgKHRpbWVzWzFdLnR2X25zZWMgPT0gVVRJTUVfT01JVCkKIAkJCW5l d2F0dHJzLmlhX3ZhbGlkICY9IH5BVFRSX01USU1FOwogCQllbHNlIGlmICh0aW1lc1sxXS50dl9u c2VjICE9IFVUSU1FX05PVykgewotCQkJbmV3YXR0cnMuaWFfbXRpbWUudHZfc2VjID0gdGltZXNb MV0udHZfc2VjOwotCQkJbmV3YXR0cnMuaWFfbXRpbWUudHZfbnNlYyA9IHRpbWVzWzFdLnR2X25z ZWM7CisJCQluZXdhdHRycy5pYV9tdGltZS50dl9zZWMgPQorCQkJCWNsYW1wX3QodGltZTY0X3Qs IHRpbWVzWzFdLnR2X3NlYywgc2ItPnNfdGltZV9taW4sIHNiLT5zX3RpbWVfbWF4KTsKKwkJCWlm ICh0aW1lc1sxXS50dl9zZWMgPj0gc2ItPnNfdGltZV9tYXgpCisJCQkJbmV3YXR0cnMuaWFfbXRp bWUudHZfbnNlYyA9IDA7CisJCQllbHNlCisJCQkJbmV3YXR0cnMuaWFfbXRpbWUudHZfbnNlYyA9 IHRpbWVzWzFdLnR2X25zZWM7CiAJCQluZXdhdHRycy5pYV92YWxpZCB8PSBBVFRSX01USU1FX1NF VDsKIAkJfQogCQkvKgotLSAKMi43LjQKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fClkyMDM4IG1haWxpbmcgbGlzdApZMjAzOEBsaXN0cy5saW5hcm8ub3Jn Cmh0dHBzOi8vbGlzdHMubGluYXJvLm9yZy9tYWlsbWFuL2xpc3RpbmZvL3kyMDM4Cg==