https://github.com/torvalds/linux
Revision b663c6fd98c9cf586279db03cec3257c413efd00 authored by J. Bruce Fields on 14 March 2008, 23:37:11 UTC, committed by Linus Torvalds on 14 March 2008, 23:49:15 UTC
This bug was always here, but before my commit 6fa02839bf9412e18e77
("recheck for secure ports in fh_verify"), it could only be triggered by
failure of a kmalloc(). After that commit it could be triggered by a
client making a request from a non-reserved port for access to an export
marked "secure". (Exports are "secure" by default.)
The result is a struct svc_export with a reference count one too low,
resulting in likely oopses next time the export is accessed.
The reference counting here is not straightforward; a later patch will
clean up fh_verify().
Thanks to Lukas Hejtmanek for the bug report and followup.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Cc: Lukas Hejtmanek <xhejtman@ics.muni.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Tip revision: b663c6fd98c9cf586279db03cec3257c413efd00 authored by J. Bruce Fields on 14 March 2008, 23:37:11 UTC
nfsd: fix oops on access from high-numbered ports
nfsd: fix oops on access from high-numbered ports
Tip revision: b663c6f
| File | Mode | Size |
|---|---|---|
| Documentation | ||
| arch | ||
| block | ||
| crypto | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| usr | ||
| virt | ||
| .gitignore | -rw-r--r-- | 644 bytes |
| .mailmap | -rw-r--r-- | 3.6 KB |
| COPYING | -rw-r--r-- | 18.3 KB |
| CREDITS | -rw-r--r-- | 90.4 KB |
| Kbuild | -rw-r--r-- | 1.6 KB |
| MAINTAINERS | -rw-r--r-- | 94.5 KB |
| Makefile | -rw-r--r-- | 52.8 KB |
| README | -rw-r--r-- | 16.5 KB |
| REPORTING-BUGS | -rw-r--r-- | 3.1 KB |
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