Re: blktrace: NULL ptr deref in sysfs_blk_trace_attr_store

2014-05-07 Thread Sasha Levin
On 05/07/2014 11:41 AM, Jan Kara wrote: > Hello, > > On Tue 06-05-14 22:45:19, Sasha Levin wrote: >> While fuzzing with trinity inside a KVM tools guest running the latest -next >> kernel I've stumbled on the following spew: >> >> [ 6230.740626] BUG: unable to handle kernel NULL pointer derefere

Re: blktrace: NULL ptr deref in sysfs_blk_trace_attr_store

2014-05-07 Thread Jan Kara
Hello, On Tue 06-05-14 22:45:19, Sasha Levin wrote: > While fuzzing with trinity inside a KVM tools guest running the latest -next > kernel I've stumbled on the following spew: > > [ 6230.740626] BUG: unable to handle kernel NULL pointer dereference at > (null) > [ 6230.740626] IP: _

blktrace: NULL ptr deref in sysfs_blk_trace_attr_store

2014-05-06 Thread Sasha Levin
Hi all, While fuzzing with trinity inside a KVM tools guest running the latest -next kernel I've stumbled on the following spew: [ 6230.740626] BUG: unable to handle kernel NULL pointer dereference at (null) [ 6230.740626] IP: __list_del_entry (lib/list_debug.c:57) [ 6230.740626] PGD 4