Re: drivers/net/hamradio: divide error in hdlcdrv_ioctl

2017-05-18 Thread Andrey Konovalov
On Wed, May 17, 2017 at 10:07 PM, Alan Cox wrote: > On Tue, 16 May 2017 17:05:32 +0200 > Andrey Konovalov wrote: > >> Hi, >> >> I've got the following error report while fuzzing the kernel with syzkaller. >> >> On commit 2ea659a9ef488125eb46da6eb571de5eae5c43f6 (4.12-rc1). >> >> A reproducer and

Re: drivers/net/hamradio: divide error in hdlcdrv_ioctl

2017-05-17 Thread Alan Cox
On Tue, 16 May 2017 17:05:32 +0200 Andrey Konovalov wrote: > Hi, > > I've got the following error report while fuzzing the kernel with syzkaller. > > On commit 2ea659a9ef488125eb46da6eb571de5eae5c43f6 (4.12-rc1). > > A reproducer and .config are attached. This should fix it. commit 37b3fa4b6

Re: drivers/net/hamradio: divide error in hdlcdrv_ioctl

2017-05-16 Thread Andrey Konovalov
On Tue, May 16, 2017 at 5:05 PM, Andrey Konovalov wrote: > Hi, > > I've got the following error report while fuzzing the kernel with syzkaller. > > On commit 2ea659a9ef488125eb46da6eb571de5eae5c43f6 (4.12-rc1). > > A reproducer and .config are attached. +syzkaller > > divide error: [#1] SMP