[Bug 110801] Security Issure: query_disk in aacraid

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https://bugzilla.kernel.org/show_bug.cgi?id=110801

--- Comment #1 from Yong  Shi <brave_shi@xxxxxxx> ---
aachba.c

 line 2856: Calling function copy_from_user taints argument qd

 line 2858: if the attacker set the qd.cnum to -1 , the attacker could set the 
qd.cnum to anyvalue ( line 2859 qd.cnum = qd.id)

 line 2871:  Untrusted pointer read  fsa_dev_ptr[qd.cnum]

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