From ba860bd9144e1efc83d5de76387c28438d0b3298 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Pavel=20Ondra=C4=8Dka?= Date: Mon, 14 Oct 2024 20:30:24 +0200 Subject: [PATCH] r300: fix uninitialized use in transform_vertex_ROUND MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ==26468== Conditional jump or move depends on uninitialised value(s) ==26468== at 0x577A190: get_readers_normal_read_callback (radeon_dataflow.c:534) ==26468== by 0x57795E7: rc_for_all_reads_src (radeon_dataflow.c:162) ==26468== by 0x577A7BB: get_readers_for_single_write (radeon_dataflow.c:709) ==26468== by 0x5779763: writes_normal (radeon_dataflow.c:212) ==26468== by 0x5779870: rc_for_all_writes_mask (radeon_dataflow.c:243) ==26468== by 0x577A93C: rc_get_readers (radeon_dataflow.c:819) ==26468== by 0x577E35E: transform_vertex_ROUND (radeon_optimize.c:1332) ==26468== by 0x577E48B: optimize_A0_loads (radeon_optimize.c:1367) ==26468== by 0x577E53E: rc_optimize (radeon_optimize.c:1393) ==26468== by 0x577767F: rc_run_compiler_passes (radeon_compiler.c:475) ==26468== by 0x57777C2: rc_run_compiler (radeon_compiler.c:498) ==26468== by 0x57747F3: r3xx_compile_vertex_program (r3xx_vertprog.c:820) Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/10562 Signed-off-by: Pavel Ondračka Reviewed-by: Filip Gawin Part-of: --- src/gallium/drivers/r300/compiler/radeon_optimize.c | 1 + 1 file changed, 1 insertion(+) diff --git a/src/gallium/drivers/r300/compiler/radeon_optimize.c b/src/gallium/drivers/r300/compiler/radeon_optimize.c index cde24044f46..7ed93f3aa78 100644 --- a/src/gallium/drivers/r300/compiler/radeon_optimize.c +++ b/src/gallium/drivers/r300/compiler/radeon_optimize.c @@ -1329,6 +1329,7 @@ static void transform_vertex_ROUND(struct radeon_compiler *c, struct rc_instruction *inst) { struct rc_reader_data readers; + readers.ExitOnAbort = 0; rc_get_readers(c, inst, &readers, NULL, NULL, NULL); assert(readers.ReaderCount > 0);