Re: BUG: corrupted list in __dentry_kill

2018-04-19 Thread Eric Biggers
On Sat, Mar 31, 2018 at 04:01:02PM -0700, syzbot wrote: > Hello, > > syzbot hit the following crash on bpf-next commit > 7828f20e3779e4e85e55371e0e43f5006a15fb41 (Sat Mar 31 00:17:57 2018 +) > Merge branch 'bpf-cgroup-bind-connect' > syzbot dashboard link: > https://syzkaller.appspot.com/bug?e

Re: BUG: corrupted list in __dentry_kill

2018-04-02 Thread Al Viro
On Mon, Apr 02, 2018 at 07:44:37AM +0100, Al Viro wrote: > On Sun, Apr 01, 2018 at 02:48:54PM -0700, Eric Biggers wrote: > > [+Cc linux-nfs] > > > > > > [ 42.965515] net/sunrpc/rpc_pipe.c: __rpc_create_common failed to > > > allocate inode for dentry blocklayout > > > [ 42.967234] net/sunrpc/

Re: BUG: corrupted list in __dentry_kill

2018-04-01 Thread Al Viro
On Sun, Apr 01, 2018 at 02:48:54PM -0700, Eric Biggers wrote: > [+Cc linux-nfs] > > > > [ 42.965515] net/sunrpc/rpc_pipe.c: __rpc_create_common failed to > > allocate inode for dentry blocklayout > > [ 42.967234] net/sunrpc/rpc_pipe.c: rpc_mkpipe_dentry() failed to create > > pipe nfs/blockl

Re: BUG: corrupted list in __dentry_kill

2018-04-01 Thread Matthew Wilcox
On Sun, Apr 01, 2018 at 02:48:54PM -0700, Eric Biggers wrote: > list_del corruption. prev->next should be 2c929de0, but was > 65421b2c Shuold probably try applying this; we might get a better clue about the corruption. diff --git a/lib/list_debug.c b/lib/list_debug.c index a34db8

Re: BUG: corrupted list in __dentry_kill

2018-04-01 Thread Eric Biggers
[+Cc linux-nfs] On Sun, Apr 01, 2018 at 02:05:08PM -0700, Eric Biggers wrote: > On Sun, Apr 01, 2018 at 09:05:31PM +0100, Al Viro wrote: > > On Sun, Apr 01, 2018 at 04:35:19AM +0100, Al Viro wrote: > > > On Sat, Mar 31, 2018 at 04:01:02PM -0700, syzbot wrote: > > > > Hello, > > > > > > > > syzbot

Re: BUG: corrupted list in __dentry_kill

2018-04-01 Thread Eric Biggers
On Sun, Apr 01, 2018 at 09:05:31PM +0100, Al Viro wrote: > On Sun, Apr 01, 2018 at 04:35:19AM +0100, Al Viro wrote: > > On Sat, Mar 31, 2018 at 04:01:02PM -0700, syzbot wrote: > > > Hello, > > > > > > syzbot hit the following crash on bpf-next commit > > > 7828f20e3779e4e85e55371e0e43f5006a15fb41

Re: BUG: corrupted list in __dentry_kill

2018-04-01 Thread Al Viro
On Sun, Apr 01, 2018 at 04:35:19AM +0100, Al Viro wrote: > On Sat, Mar 31, 2018 at 04:01:02PM -0700, syzbot wrote: > > Hello, > > > > syzbot hit the following crash on bpf-next commit > > 7828f20e3779e4e85e55371e0e43f5006a15fb41 (Sat Mar 31 00:17:57 2018 +) > > Merge branch 'bpf-cgroup-bind-co

Re: BUG: corrupted list in __dentry_kill

2018-03-31 Thread Al Viro
On Sat, Mar 31, 2018 at 04:01:02PM -0700, syzbot wrote: > Hello, > > syzbot hit the following crash on bpf-next commit > 7828f20e3779e4e85e55371e0e43f5006a15fb41 (Sat Mar 31 00:17:57 2018 +) > Merge branch 'bpf-cgroup-bind-connect' > syzbot dashboard link: > https://syzkaller.appspot.com/bug?e