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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2007-12-20 11:30:22 (GMT) |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-01-12 00:29:00 (GMT) |
| commit | d1ad09db2fd551d49d65ef040591cb9298e70fb6 (patch) | |
| tree | e26e31c96068ce3ab58ed14d4e51d68a308d3891 /drivers/uio/Kconfig | |
| parent | bfd90dce248a49ced2b7419ecf78af9f7f37039e (diff) | |
| download | linux-fsl-qoriq-d1ad09db2fd551d49d65ef040591cb9298e70fb6.tar.xz | |
[SCSI] zfcp: fix use after free bug.
zfcp_erp_strategy_check_fsfreq() checks if it is safe to access the
fsf_req associated with the erp_action that gets passed. To test if
it is safe it accesses the fsf_req in order to get its index into
the hash list. This is broken since the fsf_req might be freed already
and the read index has no meaning. It could lead to memory corruption.
Fix this by introducing a new zfcp_reqlist_find_safe() method which
just checks if addresses are equal. This is slower, but only gets
called in case of error recovery.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: Martin Peschke <mp3@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/uio/Kconfig')
0 files changed, 0 insertions, 0 deletions