* [PATCH-for-5.0] block: Assert BlockDriver::format_name is not NULL
@ 2020-03-18 22:22 Philippe Mathieu-Daudé
2020-03-19 11:53 ` Alberto Garcia
2020-03-23 13:36 ` Max Reitz
0 siblings, 2 replies; 3+ messages in thread
From: Philippe Mathieu-Daudé @ 2020-03-18 22:22 UTC (permalink / raw)
To: qemu-devel
Cc: Kevin Wolf, Philippe Mathieu-Daudé,
Mansour Ahmadi, qemu-block, Max Reitz
bdrv_do_find_format() calls strcmp() using BlockDriver::format_name
as argument, which must not be NULL. Assert this field is not null
when we register a block driver in bdrv_register().
Reported-by: Mansour Ahmadi <ManSoSec@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
block.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/block.c b/block.c
index a2542c977b..6b984dc883 100644
--- a/block.c
+++ b/block.c
@@ -363,6 +363,7 @@ char *bdrv_get_full_backing_filename(BlockDriverState *bs, Error **errp)
void bdrv_register(BlockDriver *bdrv)
{
+ assert(bdrv->format_name);
QLIST_INSERT_HEAD(&bdrv_drivers, bdrv, list);
}
--
2.21.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH-for-5.0] block: Assert BlockDriver::format_name is not NULL
2020-03-18 22:22 [PATCH-for-5.0] block: Assert BlockDriver::format_name is not NULL Philippe Mathieu-Daudé
@ 2020-03-19 11:53 ` Alberto Garcia
2020-03-23 13:36 ` Max Reitz
1 sibling, 0 replies; 3+ messages in thread
From: Alberto Garcia @ 2020-03-19 11:53 UTC (permalink / raw)
To: Philippe Mathieu-Daudé, qemu-devel
Cc: Kevin Wolf, Mansour Ahmadi, Philippe Mathieu-Daudé,
qemu-block, Max Reitz
On Wed 18 Mar 2020 11:22:35 PM CET, Philippe Mathieu-Daudé wrote:
> bdrv_do_find_format() calls strcmp() using BlockDriver::format_name
> as argument, which must not be NULL. Assert this field is not null
> when we register a block driver in bdrv_register().
>
> Reported-by: Mansour Ahmadi <ManSoSec@gmail.com>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Berto
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH-for-5.0] block: Assert BlockDriver::format_name is not NULL
2020-03-18 22:22 [PATCH-for-5.0] block: Assert BlockDriver::format_name is not NULL Philippe Mathieu-Daudé
2020-03-19 11:53 ` Alberto Garcia
@ 2020-03-23 13:36 ` Max Reitz
1 sibling, 0 replies; 3+ messages in thread
From: Max Reitz @ 2020-03-23 13:36 UTC (permalink / raw)
To: Philippe Mathieu-Daudé, qemu-devel
Cc: Kevin Wolf, Mansour Ahmadi, qemu-block
[-- Attachment #1.1: Type: text/plain, Size: 534 bytes --]
On 18.03.20 23:22, Philippe Mathieu-Daudé wrote:
> bdrv_do_find_format() calls strcmp() using BlockDriver::format_name
> as argument, which must not be NULL. Assert this field is not null
> when we register a block driver in bdrv_register().
>
> Reported-by: Mansour Ahmadi <ManSoSec@gmail.com>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
> ---
> block.c | 1 +
> 1 file changed, 1 insertion(+)
Thanks, applied to my block branch:
https://git.xanclic.moe/XanClic/qemu/commits/branch/block
Max
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^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2020-03-23 13:37 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2020-03-18 22:22 [PATCH-for-5.0] block: Assert BlockDriver::format_name is not NULL Philippe Mathieu-Daudé
2020-03-19 11:53 ` Alberto Garcia
2020-03-23 13:36 ` Max Reitz
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