Re: UBSAN: Undefined error in time.h signed integer overflow

2017-09-06 Thread Thomas Gleixner
On Tue, 5 Sep 2017, John Stultz wrote: > On Tue, Sep 5, 2017 at 9:30 PM, Shankara Pailoor wrote: > > Hi, > > > > I encountered this bug while fuzzing linux kernel 4.13-rc7 with syzkaller. > > > > > > UBSAN: Undefined

Re: UBSAN: Undefined error in time.h signed integer overflow

2017-09-05 Thread John Stultz
On Tue, Sep 5, 2017 at 9:30 PM, Shankara Pailoor wrote: > Hi, > > I encountered this bug while fuzzing linux kernel 4.13-rc7 with syzkaller. > > > UBSAN: Undefined behaviour in ./include/linux/time.h:233:27 > signed i

UBSAN: Undefined error in time.h signed integer overflow

2017-09-05 Thread Shankara Pailoor
Hi, I encountered this bug while fuzzing linux kernel 4.13-rc7 with syzkaller. UBSAN: Undefined behaviour in ./include/linux/time.h:233:27 signed integer overflow: 8391720337152500783 * 10 cannot be represent