Bug 218820

Summary:

[iOS] IOKit sandbox violation when enabling all GPU runtime flags

Product:

WebKit

Reporter:

Per Arne Vollan <pvollan>

Component:

WebKit Misc.

Assignee:

Nobody <webkit-unassigned>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

bfulgham, simon.fraser, webkit-bug-importer, wenson_hsieh

Priority:

Keywords:

InRadar

Version:

WebKit Nightly Build

Hardware:

Unspecified

OS:

Unspecified

Attachments:

Description	Flags
Patch	none
Patch	none

Per Arne Vollan

Reported 2020-11-11 13:14:56 PST

When enabling all GPU runtime flags on iOS, there is an iokit-open sandbox violation in the WebContent process.

Attachments
Patch (2.76 KB, patch) 2020-11-11 13:38 PST, Per Arne Vollan	no flags	Details Formatted Diff Diff
Patch (3.08 KB, patch) 2020-11-11 13:40 PST, Per Arne Vollan	no flags	Details Formatted Diff Diff
Show Obsolete (1) View All Add attachment proposed patch, testcase, etc.

Radar WebKit Bug Importer

Comment 1 2020-11-11 13:16:18 PST

<rdar://problem/71296116>

Per Arne Vollan

Comment 2 2020-11-11 13:38:01 PST

Created attachment 413859 [details] Patch

Per Arne Vollan

Comment 3 2020-11-11 13:40:07 PST

Created attachment 413860 [details] Patch

Brent Fulgham

Comment 4 2020-11-12 14:02:45 PST

Comment on attachment 413860 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=413860&action=review r=me > Source/WebKit/ChangeLog:9 > + When enabling all GPU runtime flags on iOS, there is an iokit-open sandbox violation for the IOKit class AGXDeviceUserClient Is it a violation? Or just a violation report indicating that the access was allowed? I suspect it's the latter (i.e., we always allowed it, but we were logging in a case where we expected the access).

Per Arne Vollan

Comment 5 2020-11-12 14:04:54 PST

(In reply to Brent Fulgham from comment #4) > Comment on attachment 413860 [details] > Patch > > View in context: > https://bugs.webkit.org/attachment.cgi?id=413860&action=review > > r=me > > > Source/WebKit/ChangeLog:9 > > + When enabling all GPU runtime flags on iOS, there is an iokit-open sandbox violation for the IOKit class AGXDeviceUserClient > > Is it a violation? Or just a violation report indicating that the access was > allowed? I suspect it's the latter (i.e., we always allowed it, but we were > logging in a case where we expected the access). This was actually an IOKit open violation, which caused a crash. Thanks for reviewing!

EWS

Comment 6 2020-11-12 14:12:45 PST

Committed r269751: <https://trac.webkit.org/changeset/269751> All reviewed patches have been landed. Closing bug and clearing flags on attachment 413860 [details].

Note You need to log in before you can comment on or make changes to this bug.