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Merge tag 'x86_core_for_v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull x86 fix from Borislav Petkov:
 "A single fix making the error message when the opcode bytes at rIP
  cannot be accessed during an oops, more precise"

* tag 'x86_core_for_v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/dumpstack: Fix misleading instruction pointer error message
This commit is contained in:
Linus Torvalds
2020-10-12 11:13:15 -07:00
parent 64743e652c 238c91115c
commit 1e6d1d9646
1 changed files with 2 additions and 1 deletions
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3
arch/x86/kernel/dumpstack.c
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@@ -115,7 +115,8 @@ void show_opcodes(struct pt_regs *regs, const char *loglvl)
unsigned long prologue = regs->ip - PROLOGUE_SIZE; unsigned long prologue = regs->ip - PROLOGUE_SIZE;
if (copy_code(regs, opcodes, prologue, sizeof(opcodes))) { if (copy_code(regs, opcodes, prologue, sizeof(opcodes))) {
printk("%sCode: Bad RIP value.\n", loglvl); printk("%sCode: Unable to access opcode bytes at RIP 0x%lx.\n",
loglvl, prologue);
} else { } else {
printk("%sCode: %" __stringify(PROLOGUE_SIZE) "ph <%02x> %" printk("%sCode: %" __stringify(PROLOGUE_SIZE) "ph <%02x> %"
__stringify(EPILOGUE_SIZE) "ph\n", loglvl, opcodes, __stringify(EPILOGUE_SIZE) "ph\n", loglvl, opcodes,