Hello btrfs maintainers/developers, This is a 31-day syzbot report for the btrfs subsystem. All related reports/information can be found at: https://syzkaller.appspot.com/upstream/s/btrfs During the period, 5 new issues were detected and 1 were fixed. In total, 52 issues are still open and 26 have been fixed so far. Some of the still happening issues: Ref Crashes Repro Title <1> 2986 Yes kernel BUG in close_ctree https://syzkaller.appspot.com/bug?extid=2665d678fffcc4608e18 <2> 677 Yes VFS: Busy inodes after unmount (use-after-free) https://syzkaller.appspot.com/bug?extid=0af00f6a2cba2058b5db <3> 424 Yes WARNING in __kernel_write_iter https://syzkaller.appspot.com/bug?extid=12e098239d20385264d3 <4> 381 Yes WARNING in btrfs_space_info_update_bytes_may_use https://syzkaller.appspot.com/bug?extid=8edfa01e46fd9fe3fbfb <5> 370 Yes WARNING in btrfs_block_rsv_release https://syzkaller.appspot.com/bug?extid=dde7e853812ed57835ea <6> 193 Yes WARNING in btrfs_remove_chunk https://syzkaller.appspot.com/bug?extid=e8582cc16881ec70a430 <7> 191 Yes WARNING in lookup_inline_extent_backref https://syzkaller.appspot.com/bug?extid=d6f9ff86c1d804ba2bc6 <8> 189 Yes WARNING in btrfs_chunk_alloc https://syzkaller.appspot.com/bug?extid=e8e56d5d31d38b5b47e7 <9> 184 Yes possible deadlock in btrfs_search_slot https://syzkaller.appspot.com/bug?extid=c06034aecf9f5eab1ac1 <10> 151 Yes kernel BUG in assertfail (2) https://syzkaller.appspot.com/bug?extid=c4614eae20a166c25bf0 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. To disable reminders for individual bugs, reply with the following command: #syz set <Ref> no-reminders To change bug's subsystems, reply with: #syz set <Ref> subsystems: new-subsystem You may send multiple commands in a single email message.
