* [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
* Re: [PATCH] vl: fix memory leak in configure_accelerators
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
1 sibling, 1 reply; 4+ messages in thread
From: Philippe Mathieu-Daudé @ 2020-01-08 14:56 UTC (permalink / raw)
To: kuhn.chenqun, qemu-devel, pbonzini
Cc: liyiting, pannengyuan, zhang.zhanghailiang
On 1/8/20 12:42 PM, kuhn.chenqun@huawei.com wrote:
> 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>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.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");
>
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] vl: fix memory leak in configure_accelerators
2020-01-08 14:56 ` Philippe Mathieu-Daudé
@ 2020-01-08 14:59 ` Paolo Bonzini
0 siblings, 0 replies; 4+ messages in thread
From: Paolo Bonzini @ 2020-01-08 14:59 UTC (permalink / raw)
To: Philippe Mathieu-Daudé, kuhn.chenqun, qemu-devel
Cc: liyiting, qemu-trivial, pannengyuan, zhang.zhanghailiang
On 08/01/20 15:56, Philippe Mathieu-Daudé wrote:
> On 1/8/20 12:42 PM, kuhn.chenqun@huawei.com wrote:
>> 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>
>
> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.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");
>>
>
Cc; qemu-trivial@nongnu.org
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] vl: fix memory leak in configure_accelerators
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 15:13 ` Laurent Vivier
1 sibling, 0 replies; 4+ messages in thread
From: Laurent Vivier @ 2020-01-08 15:13 UTC (permalink / raw)
To: kuhn.chenqun, qemu-devel, pbonzini
Cc: liyiting, pannengyuan, zhang.zhanghailiang
Le 08/01/2020 à 12:42, kuhn.chenqun@huawei.com a écrit :
> 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");
>
Applied to my trivial-patches branch.
Thanks,
Laurent
^ permalink raw reply [flat|nested] 4+ messages in thread
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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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