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Of the currently open syzbot reports against the upstream kernel, I've manually marked 3 of them as possibly being bugs in the "fs/btrfs" subsystem. I've listed these reports below, sorted by an algorithm that tries to list first the reports most likely to be still valid, important, and actionable. Of these 3 bugs, 1 was seen in mainline in the last week. If you believe a bug is no longer valid, please close the syzbot report by sending a '#syz fix', '#syz dup', or '#syz invalid' command in reply to the original thread, as explained at https://goo.gl/tpsmEJ#status If you believe I misattributed a bug to the "fs/btrfs" subsystem, please let me know, and if possible forward the report to the correct people or mailing list. Here are the bugs: -------------------------------------------------------------------------------- Title: kernel BUG at fs/btrfs/volumes.c:LINE! Last occurred: 2 days ago Reported: 412 days ago Branches: Mainline and others Dashboard link: https://syzkaller.appspot.com/bug?id=d50670eeb21302915bde3f25871dfb7ea43db1e4 Original thread: https://lkml.kernel.org/lkml/00000000000096009b056df92...@google.com/T/#u Unfortunately, this bug does not have a reproducer. The original thread for this bug received 6 replies; the last was 42 days ago. If you fix this bug, please add the following tag to the commit: Reported-by: syzbot+5b658d997a8398450...@syzkaller.appspotmail.com If you send any email or patch for this bug, please consider replying to the original thread. For the git send-email command to use, or tips on how to reply if the thread isn't in your mailbox, see the "Reply instructions" at https://lkml.kernel.org/r/00000000000096009b056df92...@google.com -------------------------------------------------------------------------------- Title: general protection fault in btrfs_scan_one_device Last occurred: 170 days ago Reported: 250 days ago Branches: Mainline and others Dashboard link: https://syzkaller.appspot.com/bug?id=b54f2496d4cd5132c35cfc274a72ca9aff353ee5 Original thread: https://lkml.kernel.org/lkml/000000000000ad2edc057ab76...@google.com/T/#u Unfortunately, this bug does not have a reproducer. No one replied to the original thread for this bug. If you fix this bug, please add the following tag to the commit: Reported-by: syzbot+46048b9c7ec2fe0d4...@syzkaller.appspotmail.com If you send any email or patch for this bug, please consider replying to the original thread. For the git send-email command to use, or tips on how to reply if the thread isn't in your mailbox, see the "Reply instructions" at https://lkml.kernel.org/r/000000000000ad2edc057ab76...@google.com -------------------------------------------------------------------------------- Title: invalid opcode in close_fs_devices Last occurred: 81 days ago Reported: 236 days ago Branches: Mainline Dashboard link: https://syzkaller.appspot.com/bug?id=5b65d7b852d4fe7f77af72e2f2c7a36837250c67 Original thread: https://lkml.kernel.org/lkml/0000000000005852b8057bc8b...@google.com/T/#u Unfortunately, this bug does not have a reproducer. The original thread for this bug received 1 reply, 235 days ago. If you fix this bug, please add the following tag to the commit: Reported-by: syzbot+cabf977d00d3db1fd...@syzkaller.appspotmail.com If you send any email or patch for this bug, please consider replying to the original thread. For the git send-email command to use, or tips on how to reply if the thread isn't in your mailbox, see the "Reply instructions" at https://lkml.kernel.org/r/0000000000005852b8057bc8b...@google.com