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scsi: libiscsi: Fix NULL pointer dereference in iscsi_eh_session_reset

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[ Upstream commit 5db6dd14b31397e8cccaaddab2ff44ebec1acf25 ]

This commit addresses NULL pointer dereference in iscsi_eh_session_reset.
Reference should not be made to session->leadconn when session->state is
set to ISCSI_STATE_TERMINATE.

Signed-off-by: Fred Herard <fred.herard@oracle.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Reviewed-by: Lee Duncan <lduncan@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Fred Herard 2018-11-20 20:22:45 -05:00 • committed by Greg Kroah-Hartman
parent a33ba2d2aa
commit 054dbacf1c
1 changed files with 2 additions and 2 deletions
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4
drivers/scsi/libiscsi.c
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@ -2416,8 +2416,8 @@ int iscsi_eh_session_reset(struct scsi_cmnd *sc)
failed:
ISCSI_DBG_EH(session,
"failing session reset: Could not log back into "
"%s, %s [age %d]\n", session->targetname,
conn->persistent_address, session->age);
"%s [age %d]\n", session->targetname,
session->age);
spin_unlock_bh(&session->frwd_lock);
mutex_unlock(&session->eh_mutex);
return FAILED;