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f11b55d135
linux/drivers/target
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Dmitry Monakhov f11b55d135 tcm_fileio: Prevent information leak for short reads 
If we failed to read data from backing file (probably because some one
truncate file under us), we must zerofill cmd's data, otherwise it will
be returned as is. Most likely cmd's data are unitialized pages from
page cache. This result in information leak.

(Change BUG_ON into -EINVAL se_cmd failure - nab)

testcase: e11a1b7b90
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-05-01 22:20:57 -07:00
..
iscsi iscsi-target: Drop work-around for legacy GlobalSAN initiator 2017-04-02 14:10:16 -07:00
loopback target: Minimize #include directives 2016-12-09 10:22:28 -08:00
sbp sbp-target: Add an #include directive 2016-12-09 10:20:10 -08:00
tcm_fc Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2017-03-02 14:52:05 -08:00
Kconfig block: make scsi_request and scsi ioctl support optional 2017-01-31 10:53:05 -07:00
Makefile target: Put TCMU under a new config option 2015-04-19 22:41:12 -07:00
target_core_alua.c target: Fix ALUA transition state race between multiple initiators 2017-03-30 23:12:40 -07:00
target_core_alua.h target: Minimize #include directives 2016-12-09 10:22:28 -08:00
target_core_configfs.c target: Fix ALUA transition state race between multiple initiators 2017-03-30 23:12:40 -07:00
target_core_device.c target: Fix NULL dereference during LUN lookup + active I/O shutdown 2017-02-26 16:08:44 -08:00
target_core_fabric_configfs.c target: Avoid mappedlun symlink creation during lun shutdown 2017-03-30 01:36:52 -07:00
target_core_fabric_lib.c Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2015-07-04 14:13:43 -07:00
target_core_file.c tcm_fileio: Prevent information leak for short reads 2017-05-01 22:20:57 -07:00
target_core_file.h target: Minimize #include directives 2016-12-09 10:22:28 -08:00
target_core_hba.c target: Fix target_sense_desc_format NULL pointer dereference 2015-09-24 23:17:23 -07:00
target_core_iblock.c target/iblock: convert iblock_req.pending from atomic_t to refcount_t 2017-05-01 22:20:43 -07:00
target_core_iblock.h target/iblock: convert iblock_req.pending from atomic_t to refcount_t 2017-05-01 22:20:43 -07:00
target_core_internal.h target: Minimize #include directives 2016-12-09 10:22:28 -08:00
target_core_pr.c locking/atomic, kref: Add kref_read() 2017-01-14 11:37:18 +01:00
target_core_pr.h target/pr: update PR out action code table 2017-05-01 22:20:44 -07:00
target_core_pscsi.c target: allow ALUA setup for some passthrough backends 2017-03-18 14:47:25 -07:00
target_core_pscsi.h target: Minimize #include directives 2016-12-09 10:22:28 -08:00
target_core_rd.c target: Minimize #include directives 2016-12-09 10:22:28 -08:00
target_core_rd.h target: Minimize #include directives 2016-12-09 10:22:28 -08:00
target_core_sbc.c target: Fix VERIFY and WRITE VERIFY command parsing 2017-05-01 22:20:49 -07:00
target_core_spc.c target: Remove enum transport_lunflags_table 2016-03-10 21:48:55 -08:00
target_core_stat.c target: Add counters for ABORT_TASK success + failure 2017-02-26 16:21:06 -08:00
target_core_tmr.c target: Add counters for ABORT_TASK success + failure 2017-02-26 16:21:06 -08:00
target_core_tpg.c target: Avoid mappedlun symlink creation during lun shutdown 2017-03-30 01:36:52 -07:00
target_core_transport.c target: Fix unknown fabric callback queue-full errors 2017-03-30 20:34:31 -07:00
target_core_ua.c Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2015-07-04 14:13:43 -07:00
target_core_ua.h target: Minimize #include directives 2016-12-09 10:22:28 -08:00
target_core_user.c tcmu: Skip Data-Out blocks before gathering Data-In buffer for BIDI case 2017-04-02 16:18:51 -07:00
target_core_xcopy.c target: Use correct SCSI status during EXTENDED_COPY exception 2017-02-08 07:46:54 -08:00
target_core_xcopy.h target: check for XCOPY parameter truncation 2017-01-10 08:41:27 -08:00