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Change History

https://git.kernel.org/stable/c/401d098f92ea69d8a75f8b845daf343e511681ba

In the Linux kernel, the following vulnerability has been resolved:

btrfs: fix invalid inode pointer dereferences during log replay

In a few places where we call read_one_inode(), if we get a NULL pointer
we end up jumping into an error path, or fallthrough in case of
__add_inode_ref(), where we then do something like this:

   iput(&inode->vfs_inode);

which results in an invalid inode pointer that triggers an invalid memory
access, resulting in a crash.

Fix this by making sure we don't do such dereferences.

https://git.kernel.org/stable/c/2dcf838cf5c2f0f4501edaa1680fcad03618d760

https://git.kernel.org/stable/c/ba8386d662cc51cc5382688bbf7a152b0b0b27cf