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<TITLE>sane-devel: SIGSEV in sane-backends-1.0.4 under Solaris</TITLE>
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<META NAME="Author" CONTENT="William L. Sebok (wls@astro.umd.edu)">
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<META NAME="Subject" CONTENT="SIGSEV in sane-backends-1.0.4 under Solaris">
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<H1>SIGSEV in sane-backends-1.0.4 under Solaris</H1>
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<!-- received="Thu Feb 22 12:02:18 2001" -->
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<!-- name="William L. Sebok" -->
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<!-- subject="SIGSEV in sane-backends-1.0.4 under Solaris" -->
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<STRONG>From:</STRONG> William L. Sebok (<A HREF="mailto:wls@astro.umd.edu?Subject=Re:%20SIGSEV%20in%20sane-backends-1.0.4%20under%20Solaris&In-Reply-To=<200102222012.PAA02025@earth.astro.umd.edu>"><EM>wls@astro.umd.edu</EM></A>)<BR>
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<STRONG>Date:</STRONG> Thu Feb 22 2001 - 12:12:50 PST
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There is a potential null pointer deference in a DBG statement in
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<BR>
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sanei/sanei_scsi.c. The bug is in the version of scsi_cmd() that interfaces
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<BR>
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with the Joerg Schilling scsi driver for Solaris. I think that the section of
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code affected by this bug handles waiting for the scanner to finish being busy.
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<BR>
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The bug was detected with a Umax Astra 2400S scanner and was triggered whenever
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<BR>
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one tried to scan.
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<BR>
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<P>--- sanei/sanei_scsi.c.ORIG Thu Nov 30 15:02:30 2000
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<BR>
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+++ sanei/sanei_scsi.c Wed Feb 21 16:38:15 2001
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<BR>
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@@ -3590,8 +3590,8 @@
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<BR>
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handler = fd_info[fd].sense_handler;
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<BR>
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DBG (3, "cmd=%x, error=%d:%s, bsiz=%d, stat=%x,%x,%x, slen=%d\n",
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<BR>
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scmd.cdb.g0_cdb.cmd, scmd.error, strerror (scmd.errno),
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<BR>
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- *dst_size, scmd.u_scb.cmd_scb[0], scmd.u_scb.cmd_scb[1],
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<BR>
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- scmd.u_scb.cmd_scb[2], scmd.sense_count);
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<BR>
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+ ((dst_size != NULL)?(*dst_size):0), scmd.u_scb.cmd_scb[0],
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+ scmd.u_scb.cmd_scb[1], scmd.u_scb.cmd_scb[2], scmd.sense_count);
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<BR>
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*errbf = '\0';
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<BR>
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for (i = 0; i < scmd.sense_count; i++)
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<BR>
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sprintf (errbf + strlen (errbf), "%x,", scmd.u_sense.cmd_sense[i]);
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<BR>
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<P><P>Bill Sebok Computer Software Manager, Univ. of Maryland, Astronomy
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<BR>
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Internet: <A HREF="mailto:wls@astro.umd.edu?Subject=Re:%20SIGSEV%20in%20sane-backends-1.0.4%20under%20Solaris&In-Reply-To=<200102222012.PAA02025@earth.astro.umd.edu>">wls@astro.umd.edu</A> URL: <A HREF="http://www.astro.umd.edu/~wls/">http://www.astro.umd.edu/~wls/</A>
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<BR>
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<P><PRE>
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--
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Source code, list archive, and docs: <A HREF="http://www.mostang.com/sane/">http://www.mostang.com/sane/</A>
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To unsubscribe: echo unsubscribe sane-devel | mail <A HREF="mailto:majordomo@mostang.com?Subject=Re:%20SIGSEV%20in%20sane-backends-1.0.4%20under%20Solaris&In-Reply-To=<200102222012.PAA02025@earth.astro.umd.edu>">majordomo@mostang.com</A>
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</PRE>
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<EM>
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This archive was generated by <A HREF="http://www.hypermail.org/">hypermail 2b29</A>
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: <EM>Thu Feb 22 2001 - 12:05:53 PST</EM>
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