Bluetooth: hci2: HCI_REQ-0x0406 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 313 at net/bluetooth/hci_conn.c:646 hci_conn_timeout+0x242/0x330 Modules linked in: CPU: 1 PID: 313 Comm: kworker/u5:4 Not tainted 6.0.0-rc1-next-20220822 #1 kworker/u5:4[313] cmdline: Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Workqueue: hci7 hci_conn_timeout RIP: 0010:hci_conn_timeout+0x242/0x330 Code: ff e8 12 7f 98 fd 4c 89 e7 e8 2a 56 0b 00 0f b6 e8 e8 02 7f 98 fd 89 ee 4c 89 e7 e8 28 a4 0d 00 e9 1a ff ff ff e8 ee 7e 98 fd <0f> 0b e9 36 fe ff ff 84 c0 74 93 4c 89 ef e8 0b 65 cb fd eb 89 48 RSP: 0018:ffff888018987ce8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88801f6ae250 RCX: 0000000000000000 RDX: ffff8880171b8000 RSI: ffffffff83ad33b2 RDI: 0000000000000005 RBP: 00000000fffffffd R08: 0000000000000005 R09: 0000000000000000 R10: 00000000fffffffd R11: 0000000000000001 R12: ffff888018987db0 R13: ffff88801acc8258 R14: ffff888017bbe800 R15: ffff88801d1a9f00 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb6f1341000 CR3: 0000000044a38000 CR4: 0000000000350ee0 Call Trace: process_one_work+0xa0f/0x1690 worker_thread+0x637/0x1260 kthread+0x2ed/0x3a0 ret_from_fork+0x22/0x30 irq event stamp: 6431 hardirqs last enabled at (6441): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (6452): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (4546): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (4537): [] __irq_exit_rcu+0x11b/0x180 ---[ end trace 0000000000000000 ]--- Bluetooth: hci7: HCI_REQ-0x0406 Bluetooth: hci4: HCI_REQ-0x0406 Bluetooth: hci5: HCI_REQ-0x0406 Bluetooth: hci3: HCI_REQ-0x0406 Bluetooth: hci6: HCI_REQ-0x0406 Bluetooth: hci3: unexpected event 0x10 length: 3 > 1 Bluetooth: hci3: hardware error 0x80 Bluetooth: hci2: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout Bluetooth: hci6: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci3: unexpected event 0x10 length: 3 > 1 device syz_tun entered promiscuous mode Bluetooth: hci3: unexpected event 0x10 length: 3 > 1 device syz_tun left promiscuous mode device syz_tun entered promiscuous mode device syz_tun left promiscuous mode netlink: 468 bytes leftover after parsing attributes in process `syz-executor.1'. Bluetooth: hci3: unexpected event 0x10 length: 3 > 1 Bluetooth: hci3: Opcode 0x c03 failed: -110 Bluetooth: hci3: hardware error 0x80 loop6: detected capacity change from 0 to 256 FAT-fs (loop6): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) loop6: detected capacity change from 0 to 256 FAT-fs (loop6): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) loop6: detected capacity change from 0 to 256 FAT-fs (loop6): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) loop7: detected capacity change from 0 to 256 FAT-fs (loop7): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) loop6: detected capacity change from 0 to 256 FAT-fs (loop6): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) Bluetooth: hci3: Opcode 0x c03 failed: -110 loop7: detected capacity change from 0 to 256 FAT-fs (loop7): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) loop7: detected capacity change from 0 to 256 FAT-fs (loop7): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) audit: type=1326 audit(1661167920.670:14): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=7379 comm="syz-executor.3" exe="/syz-executor.3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f790f671b19 code=0x0 blktrace: Concurrent blktraces are not allowed on sg0 blktrace: Concurrent blktraces are not allowed on sg0