Messages in this thread | | | From | "H.J. Lu" <> | Date | Wed, 22 Jul 2020 14:22:17 -0700 | Subject | Re: [PATCH] x86/dumpstack: Dump user space code correctly again |
| |
On Wed, Jul 22, 2020 at 12:47 PM Thomas Gleixner <tglx@linutronix.de> wrote: > > "H.J. Lu" <hjl.tools@gmail.com> writes: > > On Wed, Jul 22, 2020 at 10:54 AM Thomas Gleixner <tglx@linutronix.de> wrote: > >> + if (copy_code(regs, opcodes, prologue, sizeof(opcodes))) { > >> printk("%sCode: Bad RIP value.\n", loglvl); > >> } else { > >> printk("%sCode: %" __stringify(PROLOGUE_SIZE) "ph <%02x> %" > > > > Add a kerel self test? > > Care to whip one up? >
Can we count "dmesg" to always dump opcode?
-- H.J.
| |