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Red Hat Bugzilla – Attachment 297504 Details for
Bug 436861
x86_64: 2.6.24.3-12.fc8: I/O-port access SIGSEGV
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Testcase
ioport.c (text/plain), 463 bytes, created by
Jan Kratochvil
on 2008-03-10 20:00:08 UTC
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Description:
Testcase
Filename:
MIME Type:
Creator:
Jan Kratochvil
Created:
2008-03-10 20:00:08 UTC
Size:
463 bytes
patch
obsolete
>#/* >set -ex >gcc -I/lib/modules/`uname -r`/build/include -o ioport ioport.c -Wall -ggdb2 >echo OK >exit >*/ > >#include <stdio.h> >#include <stdlib.h> >#include <sys/io.h> > >int >main (void) >{ > unsigned char val; > > if (iopl (3) != 0) > { > perror ("iopl (3)"); > exit (EXIT_FAILURE); > } > > /* Na port 0x80 se outne 0-la. */ > outb (0x00, 0x80); > > /* in z portu 0x80. */ > val = inb (0x80); > printf ("0x%02x\n", (unsigned) val); > > return EXIT_SUCCESS; >}
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