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(parent: 16503cc) | patch
scsi: megaraid_sas: fix panic on loading firmware crashdump
authorJunxiao Bi <junxiao.bi@oracle.com>
Mon, 22 Jul 2019 16:15:24 +0000 (09:15 -0700)
committerMartin K. Petersen <martin.petersen@oracle.com>
Wed, 24 Jul 2019 02:14:06 +0000 (22:14 -0400)
commit0d76a8bbab36f05a689a2031b79e3ae27b640675
tree67790f64114d0ea270b39b3bb64ed7722771a311tree | snapshot
parent16503cc79c44c99b53fd23fa4ca42e96788c0583commit | diff
scsi: megaraid_sas: fix panic on loading firmware crashdump

While loading fw crashdump in function fw_crash_buffer_show(), left bytes
in one dma chunk was not checked, if copying size over it, overflow access
will cause kernel panic.

Signed-off-by: Junxiao Bi <junxiao.bi@oracle.com>
Acked-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/megaraid/megaraid_sas_base.c diff | blob | history
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