Re: [PATCH 4/6 v3] csky: Fix syscall_get_arguments() and syscall_set_arguments()

2019-04-04 Thread Steven Rostedt
On Thu, 4 Apr 2019 17:02:01 +0300 "Dmitry V. Levin" wrote: > According to > https://lore.kernel.org/lkml/20190330004949.GA15705@guoren-Inspiron-7460/ > the following tags could be added to this patch: > > Tested-by: Guo Ren > Acked-by: Guo Ren Thanks! Added. -- Steve

Re: [PATCH 4/6 v3] csky: Fix syscall_get_arguments() and syscall_set_arguments()

2019-04-04 Thread Dmitry V. Levin
On Mon, Apr 01, 2019 at 09:41:08AM -0400, Steven Rostedt wrote: > From: "Dmitry V. Levin" > > C-SKY syscall arguments are located in orig_a0,a1,a2,a3,regs[0],regs[1] > fields of struct pt_regs. > > Due to an off-by-one bug and a bug in pointer arithmetic > syscall_get_arguments() was reading ori

[PATCH 4/6 v3] csky: Fix syscall_get_arguments() and syscall_set_arguments()

2019-04-01 Thread Steven Rostedt
From: "Dmitry V. Levin" C-SKY syscall arguments are located in orig_a0,a1,a2,a3,regs[0],regs[1] fields of struct pt_regs. Due to an off-by-one bug and a bug in pointer arithmetic syscall_get_arguments() was reading orig_a0,regs[1..5] fields instead. Likewise, syscall_set_arguments() was writing