57256 2011-03-28 11:49:09 -0700 Fix crash on Solaris 10 for misaligned reads on Sparc processors 2011-06-03 07:19:30 -0700 1 1 1 Unclassified WebKit WebCore Misc. 528+ (Nightly build) PC Other RESOLVED FIXED P2 Normal --- 0 bentaylor.solx86 webkit-unassigned ademar commit-queue oldest_to_newest 374650 0 bentaylor.solx86 2011-03-28 11:49:09 -0700 Sparc cannot do 32-bit reads on misaligned boundaries. The program crashes if you try to do so. t@1 (l@1) signal BUS (invalid address alignment) in WebCore::equal at 0xffffffff7e2719fc 0xffffffff7e2719fc: equal+0x002c: ld [%o1], %g1 (originally reported from https://bugs.webkit.org/show_bug.cgi?id=24932 by Thiago Macieria, patch 05/17) 374710 1 87185 bentaylor.solx86 2011-03-28 13:15:34 -0700 Created attachment 87185 Proposed patch which compiles correctly in qt-4.7.2 with webkit enabled on Solaris 10 with SS12 C++ compiler Fix crash on misaligned reads on Solaris 10/Sparc. Original bug reported and proposed fix by Thiago Macieria in bug https://bugs.webkit.org/show_bug.cgi?id=24932 375093 2 87185 commit-queue 2011-03-29 00:59:37 -0700 Comment on attachment 87185 Proposed patch which compiles correctly in qt-4.7.2 with webkit enabled on Solaris 10 with SS12 C++ compiler Clearing flags on attachment: 87185 Committed r82207: <http://trac.webkit.org/changeset/82207> 375094 3 commit-queue 2011-03-29 00:59:40 -0700 All reviewed patches have been landed. Closing bug. 414863 4 ademar 2011-06-03 07:19:30 -0700 Looks like the patch attached to this bug was incomplete. See bug 29407, I attached a patch there with the missing checks. 87185 2011-03-28 13:15:34 -0700 2011-03-29 00:59:37 -0700 Proposed patch which compiles correctly in qt-4.7.2 with webkit enabled on Solaris 10 with SS12 C++ compiler webkit-bug-57256-fix-unaligned-access-on-Solaris10Sparc.diff text/plain 1328 bentaylor.solx86 SW5kZXg6IFNvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKPT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PQotLS0gU291 cmNlL0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwkocmV2aXNpb24gODIxNDApCisrKyBTb3VyY2Uv SmF2YVNjcmlwdENvcmUvQ2hhbmdlTG9nCSh3b3JraW5nIGNvcHkpCkBAIC0xLDMgKzEsMTQgQEAK KzIwMTEtMDMtMjggIEJlbiBUYXlsb3IgIDxiZW50YXlsb3Iuc29seDg2QGdtYWlsLmNvbT4KKwor ICAgICAgICBSZXZpZXdlZCBieSBOT0JPRFkgKE9PUFMhKS4KKworICAgICAgICBodHRwczovL2J1 Z3Mud2Via2l0Lm9yZy9zaG93X2J1Zy5jZ2k/aWQ9NTcyNTYKKworICAgICAgICBGaXggY3Jhc2gg b24gbWlzYWxpZ25lZCByZWFkcyBvbiBTb2xhcmlzIDEwL1NwYXJjCisKKyAgICAgICAgKiB3dGYv dGV4dC9BdG9taWNTdHJpbmcuY3BwOgorICAgICAgICAoV1RGOjplcXVhbCk6CisKIDIwMTEtMDMt MjggIE9saXZlciBIdW50ICA8b2xpdmVyQGFwcGxlLmNvbT4KIAogICAgICAgICBSRUdSRVNTSU9O KHI4MjEzMCk6IEl0IG1hZGUgYWxsIHRlc3RzIGNyYXNoIChSZXF1ZXN0ZWQgYnkgT3NzeSBvbiAj d2Via2l0KS4KSW5kZXg6IFNvdXJjZS9KYXZhU2NyaXB0Q29yZS93dGYvdGV4dC9BdG9taWNTdHJp bmcuY3BwCj09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT0KLS0tIFNvdXJjZS9KYXZhU2NyaXB0Q29yZS93dGYvdGV4dC9BdG9t aWNTdHJpbmcuY3BwCShyZXZpc2lvbiA4MjExMykKKysrIFNvdXJjZS9KYXZhU2NyaXB0Q29yZS93 dGYvdGV4dC9BdG9taWNTdHJpbmcuY3BwCSh3b3JraW5nIGNvcHkpCkBAIC0xNDIsNyArMTQyLDcg QEAgc3RhdGljIGlubGluZSBib29sIGVxdWFsKFN0cmluZ0ltcGwqIHN0cgogCiAgICAgLy8gRklY TUU6IHBlcmhhcHMgd2Ugc2hvdWxkIGhhdmUgYSBtb3JlIGFic3RyYWN0IG1hY3JvIHRoYXQgaW5k aWNhdGVzIHdoZW4KICAgICAvLyBnb2luZyA0IGJ5dGVzIGF0IGEgdGltZSBpcyB1bnNhZmUKLSNp ZiBDUFUoQVJNKSB8fCBDUFUoU0g0KSB8fCBDUFUoTUlQUykKKyNpZiBDUFUoQVJNKSB8fCBDUFUo U0g0KSB8fCBDUFUoTUlQUykgfHwgQ1BVKFNQQVJDKQogICAgIGNvbnN0IFVDaGFyKiBzdHJpbmdD aGFyYWN0ZXJzID0gc3RyaW5nLT5jaGFyYWN0ZXJzKCk7CiAgICAgZm9yICh1bnNpZ25lZCBpID0g MDsgaSAhPSBsZW5ndGg7ICsraSkgewogICAgICAgICBpZiAoKnN0cmluZ0NoYXJhY3RlcnMrKyAh PSAqY2hhcmFjdGVycysrKQo=