]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commit
scsi: sg: fixup infoleak when using SG_GET_REQUEST_TABLE
authorHannes Reinecke <hare@suse.de>
Fri, 15 Sep 2017 12:05:16 +0000 (14:05 +0200)
committerMartin K. Petersen <martin.petersen@oracle.com>
Fri, 15 Sep 2017 19:16:49 +0000 (15:16 -0400)
commit3e0097499839e0fe3af380410eababe5a47c4cf9
tree6832509ca4b548ac72e54b000c58b00847dbb835
parent4759df905a474d245752c9dc94288e779b8734dd
scsi: sg: fixup infoleak when using SG_GET_REQUEST_TABLE

When calling SG_GET_REQUEST_TABLE ioctl only a half-filled table is
returned; the remaining part will then contain stale kernel memory
information.  This patch zeroes out the entire table to avoid this
issue.

Signed-off-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/sg.c