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LoongArch: Use %px to print unmodified unwinding address

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Currently, use %p to prevent leaking information about the kernel memory
layout when printing the PC address, but the kernel log messages are not
useful to debug problem if bt_address() returns 0. Given that the type of
"pc" variable is unsigned long, it should use %px to print the unmodified
unwinding address.

Cc: stable@vger.kernel.org
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
This commit is contained in:
Tiezhu Yang
2026-08-24 10:58:15 +08:00
committed by maoxiaochuan
parent 04eb3f07ef
commit ab1febcd3f
1 changed files with 1 additions and 1 deletions
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arch/loongarch/kernel/unwind_orc.c
+1 -1
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@@ -508,7 +508,7 @@ bool unwind_next_frame(struct unwind_state *state)
state->pc = bt_address(pc);
if (!state->pc) {
pr_err("cannot find unwind pc at %p\n", (void *)pc);
pr_err("cannot find unwind pc at %px\n", (void *)pc);
goto err;
}