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kernel: Relax dentry_path_raw compare in core_hook (#2041)

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On Android-x86 (or BlissOS) it initialize Android by using switch_root
or chroot, when checking a path with dentry_path_raw() it will show the
whole real path instead of the path that we want.

Relax the checking requirement by using strstr to look for
"/system/packages.list" in the string instead of requiring the path to
be "/system/packages.list"

This fixes #1783

Signed-off-by: hmtheboy154 <buingoc67@gmail.com>
This commit is contained in:
Huy Minh 2024-09-07 09:59:06 +07:00 committed by GitHub
parent 9bcdff1835
commit 27bb2491c2
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1 changed files with 2 additions and 1 deletions
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3
kernel/core_hook.c
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@ -15,6 +15,7 @@
#include <linux/sched.h>
#include <linux/security.h>
#include <linux/stddef.h>
#include <linux/string.h>
#include <linux/types.h>
#include <linux/uaccess.h>
#include <linux/uidgid.h>
@ -193,7 +194,7 @@ int ksu_handle_rename(struct dentry *old_dentry, struct dentry *new_dentry)
return 0;
}
if (strcmp(buf, "/system/packages.list")) {
if (!strstr(buf, "/system/packages.list")) {
return 0;
}
pr_info("renameat: %s -> %s, new path: %s\n", old_dentry->d_iname,