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* [PATCH] vl: fix memory leak in configure_accelerators
@ 2020-01-08 11:42 kuhn.chenqun
  2020-01-08 14:56 ` Philippe Mathieu-Daudé
  2020-01-08 15:13 ` Laurent Vivier
  0 siblings, 2 replies; 4+ messages in thread
From: kuhn.chenqun @ 2020-01-08 11:42 UTC (permalink / raw)
  To: qemu-devel, pbonzini; +Cc: liyiting, Chen Qun, pannengyuan, zhang.zhanghailiang

From: Chen Qun <kuhn.chenqun@huawei.com>

The accel_list forgot to free, the asan output:

Direct leak of 16 byte(s) in 1 object(s) allocated from:
    #0 0xffff919331cb in __interceptor_malloc (/lib64/libasan.so.4+0xd31cb)
    #1 0xffff913f7163 in g_malloc (/lib64/libglib-2.0.so.0+0x57163)
    #2 0xffff91413d9b in g_strsplit (/lib64/libglib-2.0.so.0+0x73d9b)
    #3 0xaaab42fb58e7 in configure_accelerators /qemu/vl.c:2777
    #4 0xaaab42fb58e7 in main /qemu/vl.c:4121
    #5 0xffff8f9b0b9f in __libc_start_main (/lib64/libc.so.6+0x20b9f)
    #6 0xaaab42fc1dab  (/qemu/build/aarch64-softmmu/qemu-system-aarch64+0x8b1dab)

Indirect leak of 4 byte(s) in 1 object(s) allocated from:
    #0 0xffff919331cb in __interceptor_malloc (/lib64/libasan.so.4+0xd31cb)
    #1 0xffff913f7163 in g_malloc (/lib64/libglib-2.0.so.0+0x57163)
    #2 0xffff9141243b in g_strdup (/lib64/libglib-2.0.so.0+0x7243b)
    #3 0xffff91413e6f in g_strsplit (/lib64/libglib-2.0.so.0+0x73e6f)
    #4 0xaaab42fb58e7 in configure_accelerators /qemu/vl.c:2777
    #5 0xaaab42fb58e7 in main /qemu/vl.c:4121
    #6 0xffff8f9b0b9f in __libc_start_main (/lib64/libc.so.6+0x20b9f)
    #7 0xaaab42fc1dab  (/qemu/build/aarch64-softmmu/qemu-system-aarch64+0x8b1dab)

Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Chen Qun <kuhn.chenqun@huawei.com>
---
 vl.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/vl.c b/vl.c
index 86474a55c9..035a24e52b 100644
--- a/vl.c
+++ b/vl.c
@@ -2788,6 +2788,7 @@ static void configure_accelerators(const char *progname)
                 error_report("invalid accelerator %s", *tmp);
             }
         }
+        g_strfreev(accel_list);
     } else {
         if (accel != NULL) {
             error_report("The -accel and \"-machine accel=\" options are incompatible");
-- 
2.23.0




^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2020-01-08 15:19 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2020-01-08 11:42 [PATCH] vl: fix memory leak in configure_accelerators kuhn.chenqun
2020-01-08 14:56 ` Philippe Mathieu-Daudé
2020-01-08 14:59   ` Paolo Bonzini
2020-01-08 15:13 ` Laurent Vivier

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