Messages in this thread | | | Date | Sun, 4 Apr 2021 20:17:21 +0000 | From | Al Viro <> | Subject | Re: [syzbot] WARNING in mntput_no_expire (2) |
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On Sun, Apr 04, 2021 at 06:50:10PM +0000, Al Viro wrote:
> > Yeah, I have at least namei.o > > > > https://drive.google.com/file/d/1AvO1St0YltIrA86DXjp1Xg3ojtS9owGh/view?usp=sharing > > *grumble* > > Is it reproducible without KASAN? Would be much easier to follow the produced > asm...
Looks like inode_permission(_, NULL, _) from may_lookup(nd). I.e. nd->inode == NULL.
Mind slapping BUG_ON(!nd->inode) right before may_lookup() call in link_path_walk() and trying to reproduce that oops?
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