------------[ cut here ]------------ WARNING: CPU: 0 PID: 293 at kernel/workqueue.c:3066 __flush_work+0xaaa/0xd20 Modules linked in: CPU: 0 PID: 293 Comm: syz-executor.1 Not tainted 5.19.0-next-20220805 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:__flush_work+0xaaa/0xd20 Code: 00 48 c7 c6 af 73 1c 81 48 c7 c7 60 52 40 85 e8 5c 78 0d 00 e9 11 fc ff ff e8 62 3c 29 00 0f 0b e9 05 fc ff ff e8 56 3c 29 00 <0f> 0b 45 31 ed e9 f6 fb ff ff e8 47 3c 29 00 4c 89 e7 e8 7f d5 03 RSP: 0018:ffff888017a876e8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8880188d4988 RCX: 0000000000000000 RDX: ffff888017191b00 RSI: ffffffff811c73ea RDI: 0000000000000001 RBP: ffff888017a87890 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880188d4988 R13: 0000000000000001 R14: ffff8880188d49a0 R15: ffff888017191b00 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a8f75a3648 CR3: 000000000f364000 CR4: 0000000000350ef0 Call Trace: <TASK> __cancel_work_timer+0x39c/0x4e0 mgmt_index_removed+0x187/0x2f0 hci_unregister_dev+0x2e2/0x380 vhci_release+0x7c/0xf0 __fput+0x272/0x9d0 task_work_run+0xe2/0x1a0 do_exit+0xc31/0x2940 do_group_exit+0xd0/0x2a0 get_signal+0x2205/0x24b0 arch_do_signal_or_restart+0x89/0x1be0 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x19/0x40 do_syscall_64+0x48/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdbab6548e1 Code: Unable to access opcode bytes at RIP 0x7fdbab6548b7. RSP: 002b:00007ffdee636750 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6 RAX: fffffffffffffdfc RBX: 00000000000003ba RCX: 00007fdbab6548e1 RDX: 00007ffdee636790 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffdee63681c R08: 0000000000000000 R09: 00007ffdee736080 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032 R13: 000000000004fabd R14: 0000000000000000 R15: 00007ffdee636880 </TASK> irq event stamp: 2590761 hardirqs last enabled at (2590771): [<ffffffff812be388>] __up_console_sem+0x78/0x80 hardirqs last disabled at (2590782): [<ffffffff812be36d>] __up_console_sem+0x5d/0x80 softirqs last enabled at (2589936): [<ffffffff8116c65b>] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (2589769): [<ffffffff8116c65b>] __irq_exit_rcu+0x11b/0x180 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 293 at kernel/workqueue.c:3066 __flush_work+0xaaa/0xd20 Modules linked in: CPU: 0 PID: 293 Comm: syz-executor.1 Tainted: G W 5.19.0-next-20220805 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:__flush_work+0xaaa/0xd20 Code: 00 48 c7 c6 af 73 1c 81 48 c7 c7 60 52 40 85 e8 5c 78 0d 00 e9 11 fc ff ff e8 62 3c 29 00 0f 0b e9 05 fc ff ff e8 56 3c 29 00 <0f> 0b 45 31 ed e9 f6 fb ff ff e8 47 3c 29 00 4c 89 e7 e8 7f d5 03 RSP: 0018:ffff888017a876e8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8880188d4a30 RCX: 0000000000000000 RDX: ffff888017191b00 RSI: ffffffff811c73ea RDI: 0000000000000001 RBP: ffff888017a87890 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880188d4a30 R13: 0000000000000001 R14: ffff8880188d4a48 R15: ffff888017191b00 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a8f75a3648 CR3: 000000000f364000 CR4: 0000000000350ef0 Call Trace: <TASK> __cancel_work_timer+0x39c/0x4e0 mgmt_index_removed+0x193/0x2f0 hci_unregister_dev+0x2e2/0x380 vhci_release+0x7c/0xf0 __fput+0x272/0x9d0 task_work_run+0xe2/0x1a0 do_exit+0xc31/0x2940 do_group_exit+0xd0/0x2a0 get_signal+0x2205/0x24b0 arch_do_signal_or_restart+0x89/0x1be0 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x19/0x40 do_syscall_64+0x48/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdbab6548e1 Code: Unable to access opcode bytes at RIP 0x7fdbab6548b7. RSP: 002b:00007ffdee636750 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6 RAX: fffffffffffffdfc RBX: 00000000000003ba RCX: 00007fdbab6548e1 RDX: 00007ffdee636790 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffdee63681c R08: 0000000000000000 R09: 00007ffdee736080 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032 R13: 000000000004fabd R14: 0000000000000000 R15: 00007ffdee636880 </TASK> irq event stamp: 2591679 hardirqs last enabled at (2591691): [<ffffffff812be388>] __up_console_sem+0x78/0x80 hardirqs last disabled at (2591702): [<ffffffff812be36d>] __up_console_sem+0x5d/0x80 softirqs last enabled at (2589936): [<ffffffff8116c65b>] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (2589769): [<ffffffff8116c65b>] __irq_exit_rcu+0x11b/0x180 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 293 at kernel/workqueue.c:3066 __flush_work+0xaaa/0xd20 Modules linked in: CPU: 0 PID: 293 Comm: syz-executor.1 Tainted: G W 5.19.0-next-20220805 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:__flush_work+0xaaa/0xd20 Code: 00 48 c7 c6 af 73 1c 81 48 c7 c7 60 52 40 85 e8 5c 78 0d 00 e9 11 fc ff ff e8 62 3c 29 00 0f 0b e9 05 fc ff ff e8 56 3c 29 00 <0f> 0b 45 31 ed e9 f6 fb ff ff e8 47 3c 29 00 4c 89 e7 e8 7f d5 03 RSP: 0018:ffff888017a876e8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8880188d5b30 RCX: 0000000000000000 RDX: ffff888017191b00 RSI: ffffffff811c73ea RDI: 0000000000000001 RBP: ffff888017a87890 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880188d5b30 R13: 0000000000000001 R14: ffff8880188d5b48 R15: ffff888017191b00 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a8f75a3648 CR3: 000000000f364000 CR4: 0000000000350ef0 Call Trace: <TASK> __cancel_work_timer+0x39c/0x4e0 mgmt_index_removed+0x19f/0x2f0 hci_unregister_dev+0x2e2/0x380 vhci_release+0x7c/0xf0 __fput+0x272/0x9d0 task_work_run+0xe2/0x1a0 do_exit+0xc31/0x2940 do_group_exit+0xd0/0x2a0 get_signal+0x2205/0x24b0 arch_do_signal_or_restart+0x89/0x1be0 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x19/0x40 do_syscall_64+0x48/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdbab6548e1 Code: Unable to access opcode bytes at RIP 0x7fdbab6548b7. RSP: 002b:00007ffdee636750 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6 RAX: fffffffffffffdfc RBX: 00000000000003ba RCX: 00007fdbab6548e1 RDX: 00007ffdee636790 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffdee63681c R08: 0000000000000000 R09: 00007ffdee736080 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032 R13: 000000000004fabd R14: 0000000000000000 R15: 00007ffdee636880 </TASK> irq event stamp: 2592593 hardirqs last enabled at (2592605): [<ffffffff812be388>] __up_console_sem+0x78/0x80 hardirqs last disabled at (2592616): [<ffffffff812be36d>] __up_console_sem+0x5d/0x80 softirqs last enabled at (2589936): [<ffffffff8116c65b>] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (2589769): [<ffffffff8116c65b>] __irq_exit_rcu+0x11b/0x180 ---[ end trace 0000000000000000 ]--- Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 Bluetooth: hci6: command 0x0409 tx timeout Bluetooth: hci6: command 0x041b tx timeout Bluetooth: hci6: command 0x040f tx timeout