Re: [PATCH v3] riscv: Fix a NULL pointer dereference in machine_kexec_prepare
Markus Elfring <[email protected]>
| Newsgroups | org.infradead.lists.kexec,org.infradead.lists.linux-riscv,org.kernel.vger.kernel-janitors,org.kernel.vger.linux-integrity,org.kernel.vger.linux-kernel |
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| Message-ID | <[email protected]> |
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> Fix this by simply adding a check before copy.
a data copy attempt?
> Fixes: b7fb4d78a6ad ("RISC-V: use memcpy for kexec_file mode")
See also once more:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/stable-kernel-rules.rst?h=v7.2-rc1#n34
Would a summary phrase like “Prevent null pointer dereference in machine_kexec_prepare()”
be nicer?
Regards,
Markus