ARM: 9351/1: fault: Add "cut here" line for prefetch aborts
authorKees Cook <keescook@chromium.org>
Thu, 1 Feb 2024 17:32:23 +0000 (18:32 +0100)
committerRussell King (Oracle) <rmk+kernel@armlinux.org.uk>
Sat, 24 Feb 2024 16:47:21 +0000 (16:47 +0000)
The common pattern in arm is to emit a "8<--- cut here ---" line for
faults, but it was missing for do_PrefetchAbort(). Add it.

Cc: Wang Kefeng <wangkefeng.wang@huawei.com>
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: linux-arm-kernel@lists.infradead.org
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
arch/arm/mm/fault.c

index ec16907a551c411627b47b8491b1cc7ae362cc18..bc5b959b6f90ba291987a3d52dcab7ff329670e3 100644 (file)
@@ -593,6 +593,7 @@ do_PrefetchAbort(unsigned long addr, unsigned int ifsr, struct pt_regs *regs)
        if (!inf->fn(addr, ifsr | FSR_LNX_PF, regs))
                return;
 
+       pr_alert("8<--- cut here ---\n");
        pr_alert("Unhandled prefetch abort: %s (0x%03x) at 0x%08lx\n",
                inf->name, ifsr, addr);