Re: [Qemu-devel] [PATCH v2] 9pfs: fix integer overflow issue in xattr read/write

2016-10-13 Thread Greg Kurz
On Wed, 12 Oct 2016 19:53:39 -0700 Li Qiang wrote: > From: Li Qiang > > In 9pfs xattr read/write function, it mix to use unsigned/signed > ,32/64 bits integers. This will causes oob read/write issues. This patch > fix this. > I suggested a more detailed changelog. > Signed-off-by: Li Qiang

[Qemu-devel] [PATCH v2] 9pfs: fix integer overflow issue in xattr read/write

2016-10-12 Thread Li Qiang
From: Li Qiang In 9pfs xattr read/write function, it mix to use unsigned/signed ,32/64 bits integers. This will causes oob read/write issues. This patch fix this. Signed-off-by: Li Qiang --- hw/9pfs/9p.c | 34 +- hw/9pfs/9p.h | 4 ++-- 2 files changed, 15 inser