qemu/elf2dmp-Fix-memory-leak-on-main-error-paths.patch
Huawei Technologies Co., Ltd b0cbdcfbff elf2dmp: Fix memory leak on main() error paths
The 'kdgb' is allocating memory in get_kdbg(), but it is not freed
in both fill_header() and fill_context() failed branches, fix it.

Signed-off-by: AlexChen <alex.chen@huawei.com>
Reviewed-by: Li Qiang <liq3ea@gmail.com>
Reviewed-by: Viktor Prutyanov <viktor.prutyanov@phystech.edu>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <5F463659.8080101@huawei.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
(cherry-picked from commit 885538fdc9)
2020-11-20 16:28:04 +08:00

42 lines
1.3 KiB
Diff

From 1f63f8c20a4cb7b752981ef07b2614bbea828b30 Mon Sep 17 00:00:00 2001
From: AlexChen <alex.chen@huawei.com>
Date: Wed, 26 Aug 2020 18:15:53 +0800
Subject: [PATCH] elf2dmp: Fix memory leak on main() error paths
The 'kdgb' is allocating memory in get_kdbg(), but it is not freed
in both fill_header() and fill_context() failed branches, fix it.
Signed-off-by: AlexChen <alex.chen@huawei.com>
Reviewed-by: Li Qiang <liq3ea@gmail.com>
Reviewed-by: Viktor Prutyanov <viktor.prutyanov@phystech.edu>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <5F463659.8080101@huawei.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
(cherry-picked from commit 885538fdc9)
---
contrib/elf2dmp/main.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/contrib/elf2dmp/main.c b/contrib/elf2dmp/main.c
index 9a2dbc2902..ac746e49e0 100644
--- a/contrib/elf2dmp/main.c
+++ b/contrib/elf2dmp/main.c
@@ -568,12 +568,12 @@ int main(int argc, char *argv[])
if (fill_header(&header, &ps, &vs, KdDebuggerDataBlock, kdbg,
KdVersionBlock, qemu_elf.state_nr)) {
err = 1;
- goto out_pdb;
+ goto out_kdbg;
}
if (fill_context(kdbg, &vs, &qemu_elf)) {
err = 1;
- goto out_pdb;
+ goto out_kdbg;
}
if (write_dump(&ps, &header, argv[2])) {
--
2.27.0