Public bug reported: Description: Ubuntu 16.04.5 LTS Release: 16.04
Kernel: 4.15.0-36-generic #39~16.04.1-Ubuntu SMP Tue Sep 25 08:59:23 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux Under load, getting a system crash when accessing files on an SMB3 share. dmesg from crash attached. I can upload the crash dump if needed. Share is mounted with the following options: "ro,_netdev,username=*****,password=*****,domain=*****,vers=3.02,sec=ntlmsspi,nounix,noserverino,nobrl,cache=none" Dmesg points to the cifs module [ 2192.662345] BUG: unable to handle kernel NULL pointer dereference at 0000000000000038 [ 2192.662407] IP: smb2_push_mandatory_locks+0x10e/0x3b0 [cifs] ** Affects: linux-hwe (Ubuntu) Importance: Undecided Status: New ** Attachment added: "dmesg from /var/crash" https://bugs.launchpad.net/bugs/1795659/+attachment/5195853/+files/dmesg.201810020941 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1795659 Title: kernel panic using CIFS share smb2_push_mandatory_locks To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-hwe/+bug/1795659/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs