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[v2,0/2] target: core: fix race during ACL removal

Message ID 20220727214125.19647-1-d.bogdanov@yadro.com
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Series target: core: fix race during ACL removal | expand

Message

Dmitry Bogdanov July 27, 2022, 9:41 p.m. UTC 
This patchset fixes a race condition due to incorrect usage of RCU
for se_dev_entry.se_lun variable when ACL is being removed.

Based on 5.20/scsi-queue.

v2:
  add more details in commit message
  fix misformatting

Dmitry Bogdanov (2):
  target: core: fix race during ACL removal
  target: core: de-RCU of se_lun and se_lun acl

 drivers/target/target_core_alua.c   |  3 +--
 drivers/target/target_core_device.c | 32 ++++++++++-------------------
 drivers/target/target_core_pr.c     | 28 ++++++++-----------------
 drivers/target/target_core_stat.c   | 10 ++++-----
 drivers/target/target_core_xcopy.c  |  2 +-
 include/target/target_core_base.h   |  4 ++--
 6 files changed, 27 insertions(+), 52 deletions(-)

Comments

Martin K. Petersen Aug. 1, 2022, 11:36 p.m. UTC | #1 
Dmitry,

> This patchset fixes a race condition due to incorrect usage of RCU for
> se_dev_entry.se_lun variable when ACL is being removed.

Applied to 5.20/scsi-staging, thanks!