mirror of
https://github.com/openwrt/openwrt.git
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28 lines
864 B
Diff
28 lines
864 B
Diff
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From 3292b8c6f1e5fcc405fa0f7a20e90a60f74037b2 Mon Sep 17 00:00:00 2001
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From: Matt Johnston <matt@ucc.asn.au>
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Date: Sun, 12 Feb 2023 23:00:00 +0800
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Subject: Use write() rather than fprintf() in segv handler
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fprintf isn't guaranteed safe (though hasn't had any problems reported).
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---
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svr-main.c | 8 ++++++--
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1 file changed, 6 insertions(+), 2 deletions(-)
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--- a/svr-main.c
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+++ b/svr-main.c
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@@ -420,8 +420,12 @@ static void sigchld_handler(int UNUSED(u
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/* catch any segvs */
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static void sigsegv_handler(int UNUSED(unused)) {
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- fprintf(stderr, "Aiee, segfault! You should probably report "
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- "this as a bug to the developer\n");
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+ int i;
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+ const char *msg = "Aiee, segfault! You should probably report "
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+ "this as a bug to the developer\n";
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+ i = write(STDERR_FILENO, msg, strlen(msg));
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+ /* ignore short writes */
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+ (void)i;
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_exit(EXIT_FAILURE);
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}
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