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Change History

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

lib/Kconfig.debug: TEST_IOV_ITER depends on MMU

Trying to run the iov_iter unit test on a nommu system such as the qemu
kc705-nommu emulation results in a crash.

    KTAP version 1
    # Subtest: iov_iter
    # module: kunit_iov_iter
    1..9
BUG: failure at mm/nommu.c:318/vmap()!
Kernel panic - not syncing: BUG!

The test calls vmap() directly, but vmap() is not supported on nommu
systems, causing the crash.  TEST_IOV_ITER t

kernel.org https://git.kernel.org/stable/c/1eb1e984379e2da04361763f66eec90dd75cf63e [No types assigned]

kernel.org https://git.kernel.org/stable/c/9e6e541b97762d5b1143070067f7c68f39a408f8 [No types assigned]

kernel.org https://git.kernel.org/stable/c/e6316749d603fe9c4c91f6ec3694e06e4de632a3 [No types assigned]