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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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30a46a4647
When proc_pid_attr_write() was changed to use memdup_user apparmor's
(interface violating) assumption that the setprocattr buffer was always
a single page was violated.
The size test is not strictly speaking needed as proc_pid_attr_write()
will reject anything larger, but for the sake of robustness we can keep
it in.
SMACK and SELinux look safe to me, but somebody else should probably
have a look just in case.
Based on original patch from Vegard Nossum <vegard.nossum@oracle.com>
modified for the case that apparmor provides null termination.
Fixes:
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|---|---|---|
| .. | ||
| include | ||
| .gitignore | ||
| apparmorfs.c | ||
| audit.c | ||
| capability.c | ||
| context.c | ||
| crypto.c | ||
| domain.c | ||
| file.c | ||
| ipc.c | ||
| Kconfig | ||
| lib.c | ||
| lsm.c | ||
| Makefile | ||
| match.c | ||
| path.c | ||
| policy_unpack.c | ||
| policy.c | ||
| procattr.c | ||
| resource.c | ||
| sid.c | ||