Your commit:
mm: avoid wrapping vm_pgoff in mremap()
The normal mmap paths all avoid creating a mapping where the pgoff
inside the mapping could wrap around due to overflow. However, an
expanding mremap() can take such a non-wrapping mapping and make it
bigger and cause a wrapping condition.
Noticed by Robert Swiecki when running a system call fuzzer, where it
caused a BUG_ON() due to terminally confusing the vma_prio_tree code. A
vma dumping patch by Hugh then pinpointed the crazy wrapped case.
Reported-and-tested-by: Robert Swiecki <[email protected]>
Acked-by: Hugh Dickins <[email protected]>
Cc: [email protected]
Signed-off-by: Linus Torvalds <[email protected]>
has been added to the upstream SCSI tree
You can find it here:
http://git.kernel.org/?p=linux/kernel/git/jejb/scsi-misc-2.6.git;a=commit;h=982134ba62618c2d69fbbbd166d0a11ee3b7e3d8
This patch is scheduled to be pushed when the merge window opens for 2.6.39
James Bottomley
P.S. If you find this email unwanted, set up a procmail rule junking on
the header:
X-Git-Tree: SCSI
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