On 2017-10-24, at 4:03 PM, Christoph Biedl wrote:
> To start with, using the invalid value 4 as size parameter does not
> return ENOSYS as I'd expect but crashes my system[2], using both 32 and
> 64 bit kernel, no root privileges required.
/* Check the validity of the size pointer */
subi,>>= 4, %r23, %r0
b,n lws_exit_nosys
The condition in the subi instruction should be ">>". The branch is incorrectly nullified when
%r23 is 4.
Dave
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John David Anglin dave.anglin@xxxxxxxx
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