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[Bug libc/13446] New: crash in vfprintf with more than 64 format args and format specifiers
- From: "rcoe at wi dot rr.com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: Tue, 29 Nov 2011 03:37:22 +0000
- Subject: [Bug libc/13446] New: crash in vfprintf with more than 64 format args and format specifiers
- Auto-submitted: auto-generated
http://sourceware.org/bugzilla/show_bug.cgi?id=13446
Bug #: 13446
Summary: crash in vfprintf with more than 64 format args and
format specifiers
Product: glibc
Version: 2.14
URL: https://bugzilla.novell.com/show_bug.cgi?id=733140
Status: NEW
Severity: normal
Priority: P2
Component: libc
AssignedTo: drepper.fsp@gmail.com
ReportedBy: rcoe@wi.rr.com
Classification: Unclassified
Created attachment 6077
--> http://sourceware.org/bugzilla/attachment.cgi?id=6077
testcase
A user found this in an application that uses format specifiers and
motif was initializing.
Program received signal SIGSEGV, Segmentation fault.
0x0000000000000000 in ?? ()
(gdb) bt
#0 0x0000000000000000 in ?? ()
#1 0x00007ffff7a91ec8 in _IO_vfprintf_internal (s=<optimized out>,
format=<optimized out>, ap=<optimized out>)
at vfprintf.c:1739
#2 0x00007ffff7ab5024 in __IO_vsprintf (string=0x603020 "",
format=0x601080
"%%P%%S:%s/%%L/%%T/%%N/%%P%%S:%s/%%l_%%t/%%T/%%N/%%P%%S:%s/%%l/%%T/%%N/%%P%%S:%s/%%T/%%N/%%P%%S:%s/%%L/%%T/%%P%%S:%s/%%l_%%t/%%T/%%P%%S:%s/%%l/%%T/%%P%%S:%s/%%T/%%P%%S:%s/%%P%%S:%s/%%L/%%T/%%N/%%P%%S:%"...,
args=0x7fffffffc6c8) at iovsprintf.c:43
#3 0x00007ffff7a9c0a7 in __sprintf (s=<optimized out>, format=<optimized out>)
at sprintf.c:34
#4 0x00000000004009d3 in main (argc=1, argv=0x7fffffffd928) at mtest.c:98
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