dracut/backport-fix-skipcpio-edit-skipcpio.c-strstr-memmem.patch
hongjinghao 2663ebded8 backport patchs from upstream
(cherry picked from commit e37aecb42764d47b923dd3280385bd5438f466b6)
2024-02-22 14:56:32 +08:00

30 lines
1.0 KiB
Diff

From 68dd8af21d34c5c2cb8631f7c02c6a6cf1aa6122 Mon Sep 17 00:00:00 2001
From: realtime-neil <neil@rtr.ai>
Date: Mon, 25 Jan 2021 22:44:07 +0000
Subject: [PATCH] fix(skipcpio): edit skipcpio.c: strstr -> memmem
because CPIO_END might follow a NULL byte in buf
Conflict:NA
Reference:https://github.com/dracutdevs/dracut/commit/68dd8af21d34c5c2cb8631f7c02c6a6cf1aa6122
---
skipcpio/skipcpio.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/skipcpio/skipcpio.c b/skipcpio/skipcpio.c
index 30699816..dea216c5 100644
--- a/skipcpio/skipcpio.c
+++ b/skipcpio/skipcpio.c
@@ -72,7 +72,7 @@ int main(int argc, char **argv)
if (s <= 0)
break;
- h = strstr(buf, CPIO_END);
+ h = memmem(buf, sizeof(buf), CPIO_END, sizeof(CPIO_END));
if (h) {
pos = (h - buf) + pos + CPIO_ENDLEN;
fseek(f, pos, SEEK_SET);
--
2.19.1