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(parent: a406b0a) | patch
scsi: sg: allocate with __GFP_ZERO in sg_build_indirect()
authorAlexander Potapenko <glider@google.com>
Fri, 18 May 2018 14:23:18 +0000 (16:23 +0200)
committerMartin K. Petersen <martin.petersen@oracle.com>
Fri, 18 May 2018 14:26:01 +0000 (10:26 -0400)
commita45b599ad808c3c982fdcdc12b0b8611c2f92824
treed040e498b435b3a9b17c7c2569bf1d7993f8dd7ftree | snapshot
parenta406b0a0693eafc6f6b3a633d25749370bf40d8ccommit | diff
scsi: sg: allocate with __GFP_ZERO in sg_build_indirect()

This shall help avoid copying uninitialized memory to the userspace when
calling ioctl(fd, SG_IO) with an empty command.

Reported-by: syzbot+7d26fc1eea198488deab@syzkaller.appspotmail.com
Cc: stable@vger.kernel.org
Signed-off-by: Alexander Potapenko <glider@google.com>
Acked-by: Douglas Gilbert <dgilbert@interlog.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/sg.c diff | blob | history
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