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, 4 new issues were detected and 3 were fixed. In total, 51 issues are still open and 35 have been fixed so far. Some of the still happening issues: Ref Crashes Repro Title <1> 4533 Yes kernel BUG in close_ctree https://syzkaller.appspot.com/bug?extid=2665d678fffcc4608e18 <2> 1115 Yes VFS: Busy inodes after unmount (use-after-free) https://syzkaller.appspot.com/bug?extid=0af00f6a2cba2058b5db <3> 804 Yes WARNING in btrfs_space_info_update_bytes_may_use https://syzkaller.appspot.com/bug?extid=8edfa01e46fd9fe3fbfb <4> 678 Yes WARNING in __kernel_write_iter https://syzkaller.appspot.com/bug?extid=12e098239d20385264d3 <5> 373 Yes WARNING in btrfs_block_rsv_release https://syzkaller.appspot.com/bug?extid=dde7e853812ed57835ea <6> 294 Yes kernel BUG at fs/inode.c:LINE! (2) https://syzkaller.appspot.com/bug?extid=c92c93d1f1aaaacdb9db <7> 249 Yes WARNING in lookup_inline_extent_backref https://syzkaller.appspot.com/bug?extid=d6f9ff86c1d804ba2bc6 <8> 210 Yes WARNING in btrfs_remove_chunk https://syzkaller.appspot.com/bug?extid=e8582cc16881ec70a430 <9> 200 Yes WARNING in btrfs_chunk_alloc https://syzkaller.appspot.com/bug?extid=e8e56d5d31d38b5b47e7 <10> 142 Yes INFO: task hung in lock_extent https://syzkaller.appspot.com/bug?extid=eaa05fbc7563874b7ad2 --- 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.
