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IDProjectCategoryView StatusLast Update
0016499CentOS-7kernelpublic2019-10-02 11:26
Reporterrth 
PrioritynormalSeverityminorReproducibilityalways
Status newResolutionopen 
Platformppc64leOSCentosOS Version7
Product Version 
Target VersionFixed in Version 
Summary0016499: siginfo delivers SEGV_MAPERR instead of SEGV_ACCERR
DescriptionA write to a read-only page should produce si_code SEGV_ACCERR.
However, the test case shows the kernel producing SEGV_MAPERR
for a page that is clearly mapped.
Additional InformationKernel is 4.14.0-115.6.1.el7a.ppc64le.
TagsNo tags attached.
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Activities

rth

rth

2019-09-30 19:24

reporter  

z.c (582 bytes)
rth

rth

2019-10-01 14:44

reporter   ~0035286

Fixed in kernel patch ecb101aed86156e, and therefore in
http://mirror.centos.org/altarch/7/os/power9/Packages/kernel-4.18.0-80.7.2.el7.ppc64le.rpm

Now to get the admin to upgrade...
BugMeNot

BugMeNot

2019-10-02 11:26

reporter   ~0035293

we are working on adding ecb101aed86156e fix to the rhel-alt kernel 4.14.0-115.13+.
so the fix can be expected in centos... after the fix gets in rhel (2-3 months, i guess).
thanks for reporting this and for the reproducer.

Issue History

Date Modified Username Field Change
2019-09-30 19:24 rth New Issue
2019-09-30 19:24 rth File Added: z.c
2019-10-01 14:44 rth Note Added: 0035286
2019-10-02 11:26 BugMeNot Note Added: 0035293