42 lines
1.1 KiB
Diff
42 lines
1.1 KiB
Diff
From 89b2479830756188cfe81cbe34fbb83a33e67dfd Mon Sep 17 00:00:00 2001
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From: yangjiaqi <yangjiaqi16@huawei.com>
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Date: Wed, 2 Mar 2022 14:20:40 +0800
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Subject: [PATCH] fix dev_name stack overflow
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---
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src/proc_fuse.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/src/proc_fuse.c b/src/proc_fuse.c
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index 0f66c40..a1c0265 100644
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--- a/src/proc_fuse.c
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+++ b/src/proc_fuse.c
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@@ -497,7 +497,7 @@ struct devinfo* container_dev_read(pid_t pid) {
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struct dirent *ptr;
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struct stat dev_stat;
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struct devinfo *head = NULL, *end;
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- char fpath[100], dev_name[100];
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+ char fpath[100], dev_name[101];
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pid_t child_pid;
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int mypipe[2];
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int dev_num;
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@@ -574,6 +574,7 @@ child_out:
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}
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wait_for_pid(child_pid);
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child_pid = 0;
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+ memset(dev_name, 0, sizeof(dev_name));
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while (fscanf(stream, "%100s%d", dev_name, &dev_num) == 2) {
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if (dev_num == 0) {
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break;
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@@ -593,6 +594,7 @@ child_out:
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end->name = must_copy_string(dev_name);
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end->major = major(dev_num);
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end->minor = minor(dev_num);
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+ memset(dev_name, 0, sizeof(dev_name));
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}
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err:
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if (stream)
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--
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2.32.0 (Apple Git-132)
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