diff options
| author |   Borislav Petkov <bp@suse.de> | 2018-04-17 18:11:22 +0200 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2018-04-26 16:15:27 +0200 |
| commit | 7cccf0725cf7402514e09c52b089430005798b7f (patch) | |
| tree | e47f08bcdbdd8be700811f4d6c75062a8aac251d /arch/x86/kernel/process_32.c | |
| parent | x86/fault: Dump user opcode bytes on fatal faults (diff) | |
| download | linux-dev-7cccf0725cf7402514e09c52b089430005798b7f.tar.xz linux-dev-7cccf0725cf7402514e09c52b089430005798b7f.zip | |
x86/dumpstack: Add a show_ip() function
... which shows the Instruction Pointer along with the insn bytes around
it. Use it whenever rIP is printed. Drop the rIP < PAGE_OFFSET check since
probe_kernel_read() can handle any address properly.
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Link: https://lkml.kernel.org/r/20180417161124.5294-8-bp@alien8.de
Diffstat (limited to 'arch/x86/kernel/process_32.c')
| -rw-r--r-- | arch/x86/kernel/process_32.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c index 5224c6099184..0ae659de21eb 100644 --- a/arch/x86/kernel/process_32.c +++ b/arch/x86/kernel/process_32.c @@ -76,16 +76,14 @@ void __show_regs(struct pt_regs *regs, int all) savesegment(gs, gs); } - printk(KERN_DEFAULT "EIP: %pS\n", (void *)regs->ip); - printk(KERN_DEFAULT "EFLAGS: %08lx CPU: %d\n", regs->flags, - raw_smp_processor_id()); + show_ip(regs, KERN_DEFAULT); printk(KERN_DEFAULT "EAX: %08lx EBX: %08lx ECX: %08lx EDX: %08lx\n", regs->ax, regs->bx, regs->cx, regs->dx); printk(KERN_DEFAULT "ESI: %08lx EDI: %08lx EBP: %08lx ESP: %08lx\n", regs->si, regs->di, regs->bp, sp); - printk(KERN_DEFAULT " DS: %04x ES: %04x FS: %04x GS: %04x SS: %04x\n", - (u16)regs->ds, (u16)regs->es, (u16)regs->fs, gs, ss); + printk(KERN_DEFAULT "DS: %04x ES: %04x FS: %04x GS: %04x SS: %04x EFLAGS: %08lx\n", + (u16)regs->ds, (u16)regs->es, (u16)regs->fs, gs, ss, regs->flags); if (!all) return; |