Bug 6284 - fclose(NULL) causes segmentation error
fclose(NULL) causes segmentation error
Product: Red Hat Linux
Classification: Retired
Component: libc (Show other bugs)
i386 Linux
high Severity high
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Assigned To: Cristian Gafton
Depends On:
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Reported: 1999-10-23 06:49 EDT by Andrew Wiseman
Modified: 2008-05-01 11:37 EDT (History)
0 users

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Doc Type: Bug Fix
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Last Closed: 2000-01-06 16:07:18 EST
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Description Andrew Wiseman 1999-10-23 06:49:56 EDT
When I compile and run the example program shown below,
under RedHat Linux 5.2 (Kernel 2.0.36) with gcc
(v2.7.2.3), I get a segmentation error. The same code has
been run on many other Unix systems and even other versions
of Linux without failure. Granted fclose(NULL) is not a
useful thing to do, but nevertheless it should not cause a
segmentation error.

     long *file_rep = 0x0;
Comment 1 Cristian Gafton 2000-01-06 16:07:59 EST
This is a programming error. POSIX says that the behavior is unspecified. And
glibc segfaults to signal a major error in a program, and it is also withing
POSIX's specification.

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