Re: KASAN: null-ptr-deref Read in rds_ib_get_mr

2018-05-11 Thread Yanjun Zhu
On 2018/5/12 0:58, Santosh Shilimkar wrote: On 5/11/2018 12:48 AM, Yanjun Zhu wrote: On 2018/5/11 13:20, DaeRyong Jeong wrote: We report the crash: KASAN: null-ptr-deref Read in rds_ib_get_mr Note that this bug is previously reported by syzkaller. https://syzkaller.appspot.com/bug?id

Re: KASAN: null-ptr-deref Read in rds_ib_get_mr

2018-05-11 Thread Santosh Shilimkar
On 5/11/2018 12:48 AM, Yanjun Zhu wrote: On 2018/5/11 13:20, DaeRyong Jeong wrote: We report the crash: KASAN: null-ptr-deref Read in rds_ib_get_mr Note that this bug is previously reported by syzkaller. https://syzkaller.appspot.com/bug?id=0bb56a5a48b000b52aa2b0d8dd20b1f545214d91

Re: [rds-devel] KASAN: null-ptr-deref Read in rds_ib_get_mr

2018-05-11 Thread Yanjun Zhu
On 2018/5/11 18:46, Sowmini Varadhan wrote: On (05/11/18 15:48), Yanjun Zhu wrote: diff --git a/net/rds/ib_rdma.c b/net/rds/ib_rdma.c index e678699..2228b50 100644 --- a/net/rds/ib_rdma.c +++ b/net/rds/ib_rdma.c @@ -539,11 +539,17 @@ void rds_ib_flush_mrs(void) void *rds_ib_get_mr(struct s

Re: [rds-devel] KASAN: null-ptr-deref Read in rds_ib_get_mr

2018-05-11 Thread Sowmini Varadhan
On (05/11/18 15:48), Yanjun Zhu wrote: > diff --git a/net/rds/ib_rdma.c b/net/rds/ib_rdma.c > index e678699..2228b50 100644 > --- a/net/rds/ib_rdma.c > +++ b/net/rds/ib_rdma.c > @@ -539,11 +539,17 @@ void rds_ib_flush_mrs(void) >void *rds_ib_get_mr(struct scatterlist *sg, unsigned long nents, >

Re: KASAN: null-ptr-deref Read in rds_ib_get_mr

2018-05-11 Thread Yanjun Zhu
On 2018/5/11 13:20, DaeRyong Jeong wrote: We report the crash: KASAN: null-ptr-deref Read in rds_ib_get_mr Note that this bug is previously reported by syzkaller. https://syzkaller.appspot.com/bug?id=0bb56a5a48b000b52aa2b0d8dd20b1f545214d91 Nonetheless, this bug has not fixed yet, and we hope

KASAN: null-ptr-deref Read in rds_ib_get_mr

2018-05-10 Thread DaeRyong Jeong
We report the crash: KASAN: null-ptr-deref Read in rds_ib_get_mr Note that this bug is previously reported by syzkaller. https://syzkaller.appspot.com/bug?id=0bb56a5a48b000b52aa2b0d8dd20b1f545214d91 Nonetheless, this bug has not fixed yet, and we hope that this report and our analysis, which gets