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MFS10 r273272 (r273143 in head):
authormav <mav@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Mon, 20 Oct 2014 07:15:04 +0000 (07:15 +0000)
committermav <mav@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Mon, 20 Oct 2014 07:15:04 +0000 (07:15 +0000)
commitce3ec2f8e36ee88a529f6d17b01b88f756eb8f46
tree3869b6a1a102e139681404013ff1d8e311ee4284tree | snapshot
parent2051e7b60bc2a7abc37f04a9d2eafe88482f00fbcommit | diff
MFS10 r273272 (r273143 in head):
Remove setting BIO_DONE flag for BIOs that have done() method.

This fixes use-after-free, caused by geom_disk, completing same BIO twice
to save extra allocation, and getting BIO_DONE set after the first.

Approved by: re (hrs)

git-svn-id: svn://svn.freebsd.org/base/releng/10.1@273304 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
sys/kern/vfs_bio.c diff | blob | history
10.1-RELEASE