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Issue 1522203004: Fix invalid access to layout descriptor in Map::CopyInitialMap() (Closed)

Created:
5 years ago by miran.karic
Modified:
4 years, 11 months ago
CC:
v8-reviews_googlegroups.com
Base URL:
https://chromium.googlesource.com/v8/v8.git@master
Target Ref:
refs/pending/heads/master
Project:
v8
Visibility:
Public.

Description

Fix invalid access to layout descriptor in Map::CopyInitialMap() Fix invalid usage of layout_descriptor() function on 32-bit arch's, which doesn't perform necessary checks. Test failure is observed only on mips32 big-endian, and on mips32 little-endian as an alignment issue, but the problem appears to be generic for all 32-bit arch's. TEST=test/mjsunit/es6/classes-subclass-builtins.js BUG= Committed: https://crrev.com/291219dafab05f1de26aa39f917f179d8abe44dc Cr-Commit-Position: refs/heads/master@{#32887}

Patch Set 1 #

Unified diffs Side-by-side diffs Delta from patch set Stats (+1 line, -1 line) Patch
M src/objects.cc View 1 chunk +1 line, -1 line 0 comments Download

Messages

Total messages: 25 (13 generated)
miran.karic
5 years ago (2015-12-15 16:10:35 UTC) #2
commit-bot: I haz the power
Dry run: CQ is trying da patch. Follow status at https://chromium-cq-status.appspot.com/patch-status/1522203004/1 View timeline at https://chromium-cq-status.appspot.com/patch-timeline/1522203004/1
5 years ago (2015-12-15 16:11:14 UTC) #4
commit-bot: I haz the power
Dry run: No L-G-T-M from a valid reviewer yet. Only full committers are accepted. Even ...
5 years ago (2015-12-15 16:11:16 UTC) #6
paul.l...
preliminary LGTM to unblock CQ dry run.
5 years ago (2015-12-15 16:21:43 UTC) #8
paul.l...
Igor, can you PTAL? The problem was with https://codereview.chromium.org/1431593003, which uses layout_descriptor() even with FLAG_unbox_double_fields ...
5 years ago (2015-12-15 17:18:46 UTC) #10
Igor Sheludko
lgtm. Thanks for fixing this!
5 years ago (2015-12-15 17:21:19 UTC) #11
commit-bot: I haz the power
Dry run: CQ is trying da patch. Follow status at https://chromium-cq-status.appspot.com/patch-status/1522203004/1 View timeline at https://chromium-cq-status.appspot.com/patch-timeline/1522203004/1
5 years ago (2015-12-16 08:48:29 UTC) #13
commit-bot: I haz the power
Dry run: This issue passed the CQ dry run.
5 years ago (2015-12-16 09:16:22 UTC) #15
commit-bot: I haz the power
CQ is trying da patch. Follow status at https://chromium-cq-status.appspot.com/patch-status/1522203004/1 View timeline at https://chromium-cq-status.appspot.com/patch-timeline/1522203004/1
5 years ago (2015-12-16 09:21:20 UTC) #18
commit-bot: I haz the power
CQ is trying da patch. Follow status at https://chromium-cq-status.appspot.com/patch-status/1522203004/1 View timeline at https://chromium-cq-status.appspot.com/patch-timeline/1522203004/1
5 years ago (2015-12-16 09:21:39 UTC) #21
commit-bot: I haz the power
Committed patchset #1 (id:1)
5 years ago (2015-12-16 09:22:33 UTC) #22
commit-bot: I haz the power
5 years ago (2015-12-16 09:23:18 UTC) #24
Message was sent while issue was closed.
Patchset 1 (id:??) landed as
https://crrev.com/291219dafab05f1de26aa39f917f179d8abe44dc
Cr-Commit-Position: refs/heads/master@{#32887}

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