SRU Justification:
Impact: Running wine applications from a FAT filesystem causes the wine
process to get stuck in a kernel "D" state and cannot be killed. This
prevents a user from unmounting the FAT filesystem.
Fix: Replace a typo in fat_ioctl_readdir() introduced during
CVE-2007-2878, where the second semaphore down() should in fact be an
up().
Testcase: Without the patch one can trip the bug by:
1. Mount any FAT filesystem
2. Copy some file.exe file to it.
3. Run: wine /media/fattest/file.exe
4. Wine hangs and cannot be killed.
With the patch, this works. This has been tested by Lei Zhang (message 12
above) and by
myself (message 11).
** Changed in: linux-source-2.6.15 (Ubuntu)
Status: In Progress => Fix Committed
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Wine causes process hang in kernel when running applications from FAT partition
https://bugs.launchpad.net/bugs/137978
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