Hi Luiz, On Thu, 2021-05-27 at 17:01 -0700, Luiz Augusto von Dentz wrote: > From: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx> > > This make use of hci_cmd_sync_queue for the following MGMT commands: > > Add Device > Remove Device > > Tested with: > > mgmt-tester -s "Add Device" > > Test Summary > ------------ > Add Device - Invalid Params 1 Passed 0.017 seconds > Add Device - Invalid Params 2 Passed 0.013 seconds > Add Device - Invalid Params 3 Passed 0.013 seconds > Add Device - Invalid Params 4 Passed 0.013 seconds > Add Device - Success 1 Passed 0.014 seconds > Add Device - Success 2 Passed 0.014 seconds > Add Device - Success 3 Passed 0.014 seconds > Add Device - Success 4 Passed 0.017 seconds > Add Device - Success 5 Passed 0.017 seconds > Total: 9, Passed: 9 (100.0%), Failed: 0, Not Run: 0 > Overall execution time: 0.14 seconds > > mgmt-tester -s "Remove Device" > > Test Summary > ------------ > Remove Device - Invalid Params 1 Passed 0.153 seconds > Remove Device - Invalid Params 2 Passed 0.014 seconds > Remove Device - Invalid Params 3 Passed 0.013 seconds > Remove Device - Success 1 Passed 0.016 seconds > Remove Device - Success 2 Passed 0.017 seconds > Remove Device - Success 3 Passed 1.022 seconds > Remove Device - Success 4 Passed 1.021 seconds > Remove Device - Success 5 Passed 1.022 seconds > Total: 8, Passed: 8 (100.0%), Failed: 0, Not Run: 0 > Overall execution time: 3.29 seconds > > Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx> > --- > net/bluetooth/hci_sync.c | 606 ++++++++++++++++++++++++++++++++++++++- > net/bluetooth/hci_sync.h | 2 + > net/bluetooth/mgmt.c | 19 +- > 3 files changed, 622 insertions(+), 5 deletions(-) > While running new test cases for checking LL Privacy (submitted the series to mailing list), some test cases caused the kernel oops: general protection fault, probably for non-canonical address 0xdead000000000116: 0000 [#1] PTI CPU: 0 PID: 113 Comm: kworker/u3:2 Not tainted 5.12.0-g01861ba6bbe9-dirty #11 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014 Workqueue: hci0 hci_cmd_sync_work RIP: 0010:hci_passive_scan_sync.part.0+0xed/0x820 Code: 7c 24 13 00 75 12 48 8b 85 00 10 00 00 48 0f ba e0 29 0f 83 97 02 00 00 80 44 24 1e 01 4d 8b 3f 4c 39 3c 24 0f 84 25 01 00 00 <41> 0f b6 57 16 4d 8d 67 10 4c 89 ef 4c 89 e6 e8 2f 95 fb ff 41 0f RSP: 0018:ffffad9400187dc8 EFLAGS: 00010202 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff8d0a01850ca8 RSI: ffff8d0a0186a210 RDI: ffff8d0a01850000 RBP: ffff8d0a01850000 R08: ffff8d0a01803ae6 R09: 0000000000004ffb R10: 0000000078563412 R11: 3fffffffffffffff R12: ffff8d0a0186a210 R13: ffff8d0a01850cf8 R14: ffff8d0a01850d08 R15: dead000000000100 FS: 0000000000000000(0000) GS:ffffffff87846000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558641956130 CR3: 00000000018a2000 CR4: 00000000000006f0 Call Trace: ? unblock_device+0xe0/0xe0 hci_update_background_scan_sync+0x268/0x310 hci_cmd_sync_work+0x91/0xe0 process_one_work+0x19d/0x2f0 worker_thread+0x5a/0x3b0 ? rescuer_thread+0x330/0x330 kthread+0x108/0x120 ? __kthread_create_worker+0xf0/0xf0 ret_from_fork+0x22/0x30 ---[ end trace efd7eab9e13c521e ]--- RIP: 0010:hci_passive_scan_sync.part.0+0xed/0x820 Code: 7c 24 13 00 75 12 48 8b 85 00 10 00 00 48 0f ba e0 29 0f 83 97 02 00 00 80 44 24 1e 01 4d 8b 3f 4c 39 3c 24 0f 84 25 01 00 00 <41> 0f b6 57 16 4d 8d 67 10 4c 89 ef 4c 89 e6 e8 2f 95 fb ff 41 0f RSP: 0018:ffffad9400187dc8 EFLAGS: 00010202 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff8d0a01850ca8 RSI: ffff8d0a0186a210 RDI: ffff8d0a01850000 RBP: ffff8d0a01850000 R08: ffff8d0a01803ae6 R09: 0000000000004ffb R10: 0000000078563412 R11: 3fffffffffffffff R12: ffff8d0a0186a210 R13: ffff8d0a01850cf8 R14: ffff8d0a01850d08 R15: dead000000000100 FS: 0000000000000000(0000) GS:ffffffff87846000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558641956130 CR3: 00000000018a2000 CR4: 00000000000006f0 However, it is not seen on the current bluetooth-next tree. Regards, Tedd