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Of the currently open syzbot reports against the upstream kernel, I've manually marked 4 of them as possibly being bugs in the sound 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.
If you believe a bug is no longer valid, please close the syzbot report by sending a '#syz fix', '#syz dup', or '#syz invalid' command in reply to the original thread, as explained at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 sound subsystem, please let me know, and if possible forward the report to the correct people or mailing list.
Here are the bugs:
-------------------------------------------------------------------------------- Title: INFO: rcu detected stall in snd_seq_write Last occurred: 72 days ago Reported: 316 days ago Branches: Mainline and others Dashboard link: https://syzkaller.appspot.com/bug?id=33501520944e11adedf1c454eec4cb818bee16c... Original thread: https://lkml.kernel.org/lkml/000000000000e5050205746dcbb0@google.com/T/#u
This bug has a syzkaller reproducer only.
The original thread for this bug received 1 reply, 315 days ago.
If you fix this bug, please add the following tag to the commit: Reported-by: syzbot+97aae04ce27e39cbfca9@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/000000000000e5050205746dcbb0@google.com
-------------------------------------------------------------------------------- Title: WARNING: suspicious RCU usage in line6_pcm_acquire Last occurred: 44 days ago Reported: 75 days ago Branches: Mainline (with usb-fuzzer patches) Dashboard link: https://syzkaller.appspot.com/bug?id=a0ea128a37bfe56208042c02d080873dcbdf69a... Original thread: https://lkml.kernel.org/lkml/0000000000007cb1ee0587591549@google.com/T/#u
Unfortunately, this bug does not have a reproducer.
No one has replied to the original thread for this bug yet.
This looks like a bug in a sound USB driver.
If you fix this bug, please add the following tag to the commit: Reported-by: syzbot+06b7a5a8c4acc0445995@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/0000000000007cb1ee0587591549@google.com
-------------------------------------------------------------------------------- Title: KASAN: use-after-free Read in wake_up_if_idle Last occurred: 117 days ago Reported: 253 days ago Branches: Mainline and others Dashboard link: https://syzkaller.appspot.com/bug?id=b1e300cd7b124fc83dd4199d4d1df26310111b0... Original thread: https://lkml.kernel.org/lkml/00000000000066ab7105795f245e@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+2c1253bc508adef78a7f@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/00000000000066ab7105795f245e@google.com
-------------------------------------------------------------------------------- Title: INFO: task hung in snd_seq_write Last occurred: 110 days ago Reported: 315 days ago Branches: Mainline and others Dashboard link: https://syzkaller.appspot.com/bug?id=9366cef8455b032553567ce096a5b31d8307b7d... Original thread: https://lkml.kernel.org/lkml/0000000000001f74de0574710d3e@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+4c595632b98bb8ffcc66@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/0000000000001f74de0574710d3e@google.com