fluidsynth/CVE-2021-21417-2.patch
2021-05-13 17:14:36 +08:00

53 lines
1.6 KiB
Diff

From 6673a5f73c0484f8462b4b33860d2b1c68c24684 Mon Sep 17 00:00:00 2001
From: Tom M <tom.mbrt@googlemail.com>
Date: Sun, 14 Mar 2021 20:23:38 +0100
Subject: [PATCH] Update fluid_sffile.c
---
src/sfloader/fluid_defsfont.c | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/src/sfloader/fluid_defsfont.c b/src/sfloader/fluid_defsfont.c
index fc68d34..9663a40 100644
--- a/src/sfloader/fluid_defsfont.c
+++ b/src/sfloader/fluid_defsfont.c
@@ -2829,13 +2829,14 @@ load_pgen (int size, SFData * sf, FILE * fd)
}
else
{
- SFZone * pzone = fluid_list_get(p2);
+ p2 = fluid_list_next(p2); /* advance to next zone before deleting the current list element */
/* previous global zone exists, discard */
FLUID_LOG (FLUID_WARN,
_("Preset \"%s\": Discarding invalid global zone"),
((SFPreset *) (p->data))->name);
- *hz = fluid_list_remove(start_of_zone_list, pzone);
- sfont_free_zone(pzone);
+ fluid_list_remove(start_of_zone_list, z);
+ sfont_free_zone(z);
+ continue;
}
}
@@ -3182,13 +3183,14 @@ load_igen (int size, SFData * sf, FILE * fd)
}
else
{
- SFZone * izone = fluid_list_get(p2);
+ p2 = fluid_list_next(p2); /* advance to next zone before deleting the current list element */
/* previous global zone exists, discard */
FLUID_LOG (FLUID_WARN,
_("Instrument \"%s\": Discarding invalid global zone"),
((SFInst *) (p->data))->name);
- *hz = fluid_list_remove(start_of_zone_list, izone);
- sfont_free_zone(izone);
+ fluid_list_remove(start_of_zone_list, z);
+ sfont_free_zone(z);
+ continue;
}
}
--
2.23.0