On Mon, Apr 01, 2019 at 09:41:07AM -0400, Steven Rostedt wrote: > From: "Dmitry V. Levin" <ldv@xxxxxxxxxxxx> > > RISC-V syscall arguments are located in orig_a0,a1..a5 fields > of struct pt_regs. > > Due to an off-by-one bug and a bug in pointer arithmetic > syscall_get_arguments() was reading s3..s7 fields instead of a1..a5. > Likewise, syscall_set_arguments() was writing s3..s7 fields > instead of a1..a5. > > Link: http://lkml.kernel.org/r/20190329171221.GA32456@xxxxxxxxxxxx > > Fixes: e2c0cdfba7f69 ("RISC-V: User-facing API") > Cc: Ingo Molnar <mingo@xxxxxxxxxx> > Cc: Kees Cook <keescook@xxxxxxxxxxxx> > Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx> > Cc: Will Drewry <wad@xxxxxxxxxxxx> > Cc: Palmer Dabbelt <palmer@xxxxxxxxxx> > Cc: Albert Ou <aou@xxxxxxxxxxxxxxxxx> > Cc: linux-riscv@xxxxxxxxxxxxxxxxxxx > Cc: stable@xxxxxxxxxxxxxxx # v4.15+ > Signed-off-by: Dmitry V. Levin <ldv@xxxxxxxxxxxx> > Signed-off-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx> According to https://lore.kernel.org/lkml/mhng-8e9b547b-7fe3-43d2-9dea-b217de923605@palmer-si-x1c4/ the following tag could be added to this patch: Acked-by: Palmer Dabbelt <palmer@xxxxxxxxxx> -- ldv
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