Re: [PATCH] x86/asm: Don't use rbp as temp register in csum_partial_copy_generic()

2017-05-04 Thread Josh Poimboeuf
On Thu, May 04, 2017 at 03:56:49PM +, David Laight wrote: > From: Josh Poimboeuf > > Sent: 04 May 2017 15:52 > > Andrey Konovalov reported the following warning while fuzzing the kernel > > with syzkaller: > > > > WARNING: kernel stack regs at 8800686869f8 in a.out:4933 has bad 'bp' >

Re: [PATCH] x86/asm: Don't use rbp as temp register in csum_partial_copy_generic()

2017-05-04 Thread Josh Poimboeuf
On Thu, May 04, 2017 at 03:56:49PM +, David Laight wrote: > From: Josh Poimboeuf > > Sent: 04 May 2017 15:52 > > Andrey Konovalov reported the following warning while fuzzing the kernel > > with syzkaller: > > > > WARNING: kernel stack regs at 8800686869f8 in a.out:4933 has bad 'bp' >

RE: [PATCH] x86/asm: Don't use rbp as temp register in csum_partial_copy_generic()

2017-05-04 Thread David Laight
From: Josh Poimboeuf > Sent: 04 May 2017 15:52 > Andrey Konovalov reported the following warning while fuzzing the kernel > with syzkaller: > > WARNING: kernel stack regs at 8800686869f8 in a.out:4933 has bad 'bp' > value c3fc855a10167ec0 > > The unwinder dump revealed that rbp had a bad

RE: [PATCH] x86/asm: Don't use rbp as temp register in csum_partial_copy_generic()

2017-05-04 Thread David Laight
From: Josh Poimboeuf > Sent: 04 May 2017 15:52 > Andrey Konovalov reported the following warning while fuzzing the kernel > with syzkaller: > > WARNING: kernel stack regs at 8800686869f8 in a.out:4933 has bad 'bp' > value c3fc855a10167ec0 > > The unwinder dump revealed that rbp had a bad