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From: "ldv at sourceware dot org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/27892] New: powerpc: scv ABI error handling fails to check
 IS_ERR_VALUE
Date: Thu, 20 May 2021 14:23:04 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D27892

            Bug ID: 27892
           Summary: powerpc: scv ABI error handling fails to check
                    IS_ERR_VALUE
           Product: glibc
           Version: 2.33
               URL: https://sourceware.org/pipermail/libc-alpha/2021-May/1
                    26534.html
            Status: NEW
          Severity: normal
          Priority: P2
         Component: libc
          Assignee: unassigned at sourceware dot org
          Reporter: ldv at sourceware dot org
                CC: drepper.fsp at gmail dot com
  Target Milestone: ---

Commit glibc-2.33~117 introduced RET_SCV macro that treats any negative val=
ue
returned by syscall via scv ABI as an error, but this is not correct.

This bug was found by strace test suite.

Proposed fix was posted by Nicholas Piggin at
https://sourceware.org/pipermail/libc-alpha/2021-May/126534.html

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