[Bug 256199] truss: lseek() decoded incorrectly on armv7

From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 27 May 2021 15:14:32 +0000
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=256199

            Bug ID: 256199
           Summary: truss: lseek() decoded incorrectly on armv7
           Product: Base System
           Version: 13.0-STABLE
          Hardware: arm
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: bin
          Assignee: bugs_at_FreeBSD.org
          Reporter: fuz_at_fuz.su

Running a binary that does these two calls:

        lseek(fd, 5, SEEK_SET);
        pos = lseek(fd, 0, SEEK_HOLE);

truss reports:

lseek(3,0x500000003,SEEK_SET)                    = 5 (0x5)
lseek(3,0x0,SEEK_SET)                            = 10 (0xa)


which is clearly wrong.  Isn't lseek one of these calls that have a shuffled
argument order due to 64 bit arguments?  Perhaps the decoding tables in truss
need to be fixed to account for this.

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Received on Thu May 27 2021 - 15:14:32 UTC

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