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kernel: increase reliability, add ksu_access_ok to simplify

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Co-authored-by: backslashxx <118538522+backslashxx@users.noreply.github.com>
Signed-off-by: rsuntk <rsuntk@yukiprjkt.my.id>
This commit is contained in:
ShirkNeko
2025-08-03 23:19:35 +08:00
parent 98552980ca
commit f37092e2f0
4 changed files with 18 additions and 19 deletions
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18
kernel/kernel_compat.c
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@@ -79,15 +79,6 @@ void ksu_android_ns_fs_check()
task_unlock(current);
}
int ksu_access_ok(const void *addr, unsigned long size) {
#if LINUX_VERSION_CODE < KERNEL_VERSION(5,0,0)
/* For kernels before 5.0.0, pass the type argument to access_ok. */
return access_ok(VERIFY_READ, addr, size);
#else
/* For kernels 5.0.0 and later, ignore the type argument. */
return access_ok(addr, size);
#endif
}
struct file *ksu_filp_open_compat(const char *filename, int flags, umode_t mode)
{
@@ -188,3 +179,12 @@ long ksu_strncpy_from_user_nofault(char *dst, const void __user *unsafe_addr,
return ret;
}
#endif
int ksu_access_ok(const void *addr, unsigned long size)
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 0, 0)
return access_ok(addr, size);
#else
return access_ok(VERIFY_READ, addr, size);
#endif
}