From 8de27e2d83c0d07ae9443c6304575b0609394bfd Mon Sep 17 00:00:00 2001 From: ikaros Date: Wed, 27 May 2026 19:53:12 +0200 Subject: [PATCH] ACPICA: Fix condition check in acpi_ps_parse_loop() Fix condition check for AML_ELSE_OP in acpi_ps_parse_loop() to prevent out-of-bounds access. Link: https://github.com/acpica/acpica/commit/3b537b92336e Signed-off-by: ikaros Signed-off-by: Rafael J. Wysocki Link: https://patch.msgid.link/1959692.tdWV9SEqCh@rafael.j.wysocki --- drivers/acpi/acpica/psloop.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/acpi/acpica/psloop.c b/drivers/acpi/acpica/psloop.c index c989cadf271c..35111ff2526b 100644 --- a/drivers/acpi/acpica/psloop.c +++ b/drivers/acpi/acpica/psloop.c @@ -425,7 +425,10 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state) ACPI_ERROR((AE_INFO, "Skipping While/If block")); - if (*walk_state->aml == AML_ELSE_OP) { + if ((walk_state->aml < + parser_state->aml_end) + && (*walk_state->aml == + AML_ELSE_OP)) { ACPI_ERROR((AE_INFO, "Skipping Else block")); walk_state->parser_state.aml =