x86/mce: Change to not send SIGBUS error during copy from user

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Sending a SIGBUS for a copy from user is not the correct semantic.
System calls should return -EFAULT (or a short count for write(2)).

Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20210818002942.1607544-3-tony.luck@intel.com

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Tony Luck 2021-08-17 17:29:41 -07:00 • committed by Borislav Petkov

parent e4e737bb5c

commit a6e3cf70b7

1 changed files with 20 additions and 15 deletions

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arch/x86/kernel/cpu/mce/core.c

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