Re: WARNING in csum_and_copy_to_iter

2018-11-26 Thread Slavomir Kaslev
On Sun, Nov 25, 2018 at 3:52 AM Al Viro wrote: > > On Sat, Nov 24, 2018 at 09:44:36PM +, Al Viro wrote: > > > No point, IMO - the fix isn't hard and bisect hazard created by the whole > > thing > > is both mild (spurious WARN() in case that used to fail anyway) _and_ won't > > disappear from

Re: WARNING in csum_and_copy_to_iter

2018-11-24 Thread Al Viro
On Sat, Nov 24, 2018 at 09:44:36PM +, Al Viro wrote: > No point, IMO - the fix isn't hard and bisect hazard created by the whole > thing > is both mild (spurious WARN() in case that used to fail anyway) _and_ won't > disappear from reverting, obviously. I'll post a fix later tonight... FWIW

Re: WARNING in csum_and_copy_to_iter

2018-11-24 Thread Al Viro
On Sat, Nov 24, 2018 at 11:20:14PM +0200, Slavomir Kaslev wrote: > On Sat, Nov 24, 2018 at 08:03:57PM +, Al Viro wrote: > > On Sat, Nov 24, 2018 at 11:40:03AM -0800, syzbot wrote: > > > Hello, > > > > > > syzbot found the following crash on: > > > > > > HEAD commit:edeca3a769ad Merge tag

Re: WARNING in csum_and_copy_to_iter

2018-11-24 Thread Slavomir Kaslev
On Sat, Nov 24, 2018 at 08:03:57PM +, Al Viro wrote: > On Sat, Nov 24, 2018 at 11:40:03AM -0800, syzbot wrote: > > Hello, > > > > syzbot found the following crash on: > > > > HEAD commit:edeca3a769ad Merge tag 'sound-4.20-rc4' of git://git.kerne.. > > git tree: upstream > > console

Re: WARNING in csum_and_copy_to_iter

2018-11-24 Thread Al Viro
On Sat, Nov 24, 2018 at 11:40:03AM -0800, syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit:edeca3a769ad Merge tag 'sound-4.20-rc4' of git://git.kerne.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=12bee26d40 > kernel

WARNING in csum_and_copy_to_iter

2018-11-24 Thread syzbot
Hello, syzbot found the following crash on: HEAD commit:edeca3a769ad Merge tag 'sound-4.20-rc4' of git://git.kerne.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=12bee26d40 kernel config: https://syzkaller.appspot.com/x/.config?x=73e2bc0cb6463446 da