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platform/x86: thinkpad-acpi: replace strcpy with strscpy

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strcpy() performs no bounds checking on the destination buffer. This
could result in linear overflows beyond the end of the buffer, leading
to all kinds of misbehaviors.[1]

[1]: https://www.kernel.org/doc/html/latest/process/deprecated.html#strcpy

Signed-off-by: Nitin Joshi <nitjoshi@gmail.com>
Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Link: https://lore.kernel.org/r/20250107021507.4786-1-nitjoshi@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
This commit is contained in:
Nitin Joshi 2025-01-07 11:15:07 +09:00 committed by Ilpo Järvinen
parent 595c4b6724
commit 053c409951
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1 changed files with 1 additions and 1 deletions
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2
drivers/platform/x86/thinkpad_acpi.c
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@ -11681,7 +11681,7 @@ static int __init set_ibm_param(const char *val, const struct kernel_param *kp)
if (strcmp(ibm->name, kp->name) == 0 && ibm->write) {
if (strlen(val) > sizeof(ibms_init[i].param) - 1)
return -ENOSPC;
strcpy(ibms_init[i].param, val);
strscpy(ibms_init[i].param, val);
return 0;
}
}