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[rdesktop-devel] [ rdesktop-Patches-2847294 ] Fix for segfaults in disk_query_information
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From: SourceForge.net <no...@so...> - 2010-08-21 02:20:06
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Patches item #2847294, was opened at 2009-08-30 14:26 Message generated for change (Comment added) made by nobody You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=381349&aid=2847294&group_id=24366 Please note that this message will contain a full copy of the comment thread, including the initial issue submission, for this request, not just the latest update. Category: None Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: Maciek Grela (thermal) Assigned to: Nobody/Anonymous (nobody) Summary: Fix for segfaults in disk_query_information Initial Comment: The return value of strrchr in disk_query_information is not properly tested causing segfaults like these: GNU gdb 6.8 Copyright (C) 2008 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-pc-linux-gnu"... (gdb) run -u quux -p z0ran -g 1024x768 -x m -z -a 8 -T GUIS -r disk:floppy=. 10.4.10.20 Starting program: /usr/bin/rdesktop -u quux -p z0ran -g 1024x768 -x m -z -a 8 -T GUIS -r disk:floppy=. 10.4.10.20 Autoselected keyboard map pl Program received signal SIGSEGV, Segmentation fault. 0x0000000000425673 in disk_query_information (handle=<value optimized out>, info_class=4, out=0x7fff2c7fd2d0) at disk.c:643 643 disk.c: No such file or directory. in disk.c (gdb) bt #0 0x0000000000425673 in disk_query_information (handle=<value optimized out>, info_class=4, out=0x7fff2c7fd2d0) at disk.c:643 #1 0x0000000000423052 in rdpdr_process_irp (s=0x6b2fc0) at rdpdr.c:570 #2 0x000000000042361f in rdpdr_process (s=0x7d3ef0) at rdpdr.c:799 #3 0x00000000004174ed in sec_recv (rdpver=0x7fff2c7fd41f "\003\030�\177,�\177") at secure.c:828 #4 0x0000000000418bb0 in rdp_recv (type=0x7fff2c7fd47f "") at rdp.c:89 #5 0x0000000000419a35 in rdp_loop (deactivated=0x7fff2c7fd81c, ext_disc_reason=0x7fff2c7fd818) at rdp.c:1411 #6 0x000000000041a4f4 in rdp_main_loop (deactivated=0x7fff2c7fd81c, ext_disc_reason=0x7fff2c7fd818) at rdp.c:1396 #7 0x0000000000407463 in main (argc=<value optimized out>, argv=<value optimized out>) at rdesktop.c:954 (gdb) ---------------------------------------------------------------------- Comment By: Nobody/Anonymous (nobody) Date: 2010-08-21 02:20 Message: JG8Ain <a href="http://qkpancedzdlr.com/">qkpancedzdlr</a>, [url=http://tkvckfkklfgr.com/]tkvckfkklfgr[/url], [link=http://wpneoeferqyx.com/]wpneoeferqyx[/link], http://ahoiwvdrzkau.com/ ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=381349&aid=2847294&group_id=24366 |