Bug 42354 - 4-threaded program gets seg. fault on malloc.
4-threaded program gets seg. fault on malloc.
Product: Red Hat Linux
Classification: Retired
Component: kernel (Show other bugs)
ia64 Linux
medium Severity medium
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Assigned To: Arjan van de Ven
Brock Organ
Depends On:
  Show dependency treegraph
Reported: 2001-05-25 18:52 EDT by David Robboy
Modified: 2007-04-18 12:33 EDT (History)
0 users

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2001-05-25 18:54:13 EDT
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RHEL 7.3 requirements from Atomic Host:
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Attachments (Terms of Use)
C program, testcase for this bug. (2.16 KB, text/plain)
2001-05-25 18:54 EDT, David Robboy
no flags Details

  None (edit)
Description David Robboy 2001-05-25 18:52:28 EDT
From Bugzilla Helper:
User-Agent: Mozilla/4.0 (compatible; MSIE 5.01; Windows 98; IE4WDUS-

Description of problem:
The attached program spawns 4 pthreads on a 4P Lion system,
 and each thread does
a malloc.  It almost consistently aborts with a segmentation fault.  
The same executable binary program runs on Turbolinux release 010307
(based on kernel release 2.4.1).
fault on Red Hat Linux 7.0.98

How reproducible:

Steps to Reproduce:
1.Just compile and run the test case.

Actual Results:  Segmentation Fault

Expected Results:  All four threads exit normally.

Additional info:
Comment 1 David Robboy 2001-05-25 18:54:09 EDT
Created attachment 19691 [details]
C program, testcase for this bug.
Comment 2 Bill Nottingham 2001-05-25 21:20:07 EDT
This is almost certainly fixed in kernel-2.4.3-7; please try with that.

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