diff options
| -rw-r--r-- | kernel/events/uprobes.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c index 8d9c5bcb110e..0527379dac5b 100644 --- a/kernel/events/uprobes.c +++ b/kernel/events/uprobes.c @@ -1306,6 +1306,7 @@ pre_ssout(struct uprobe *uprobe, struct pt_regs *regs, unsigned long bp_vaddr) { struct uprobe_task *utask; unsigned long xol_vaddr; + int err; utask = current->utask; @@ -1316,7 +1317,13 @@ pre_ssout(struct uprobe *uprobe, struct pt_regs *regs, unsigned long bp_vaddr) utask->xol_vaddr = xol_vaddr; utask->vaddr = bp_vaddr; - return arch_uprobe_pre_xol(&uprobe->arch, regs); + err = arch_uprobe_pre_xol(&uprobe->arch, regs); + if (unlikely(err)) { + xol_free_insn_slot(current); + return err; + } + + return 0; } /* |