On 9/12/20 6:54 am, Tyrel Datwyler wrote:
Commit bd59380c5ba4 ("powerpc/rtas: Restrict RTAS requests from userspace") introduced the following error when invoking the errinjct userspace tool.[root@ltcalpine2-lp5 librtas]# errinjct open [327884.071171] sys_rtas: RTAS call blocked - exploit attempt? [327884.071186] sys_rtas: token=0x26, nargs=0 (called by errinjct) errinjct: Could not open RTAS error injection facility errinjct: librtas: open: Unexpected I/O error The entry for ibm,open-errinjct in rtas_filter array has a typo where the "j" is omitted in the rtas call name. After fixing this typo the errinjct tool functions again as expected. [root@ltcalpine2-lp5 linux]# errinjct open RTAS error injection facility open, token = 1 fixes: bd59380c5ba4 ("powerpc/rtas: Restrict RTAS requests from userspace") Signed-off-by: Tyrel Datwyler <[email protected]>
Thanks for catching this! Acked-by: Andrew Donnellan <[email protected]> -- Andrew Donnellan OzLabs, ADL Canberra [email protected] IBM Australia Limited
