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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>
This commit is contained in:
Tiezhu Yang 2026-02-10 19:31:13 +08:00 committed by Huacai Chen
parent 2172d6ebac
commit 77403a06d8
1 changed files with 1 additions and 1 deletions
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2
arch/loongarch/kernel/unwind_orc.c
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@ -494,7 +494,7 @@ 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;
}