Bluetooth: hci2: Frame reassembly failed (-84) BUG: unable to handle kernel paging request at ffffffffffffffd6 #PF error: [normal kernel read fault] PGD 8874067 P4D 8874067 PUD 8876067 PMD 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 11902 Comm: syz-executor0 Not tainted 5.0.0-rc5 #60 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:h4_recv_buf+0x1ea/0xda0 drivers/bluetooth/hci_h4.c:211 Code: b6 14 10 48 89 c8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 d7 0a 00 00 48 ba 00 00 00 00 00 fc ff df 48 8b 45 d0 4c 8d 60 70 <0f> b7 58 2a 4c 89 e0 48 c1 e8 03 0f b6 04 10 84 c0 74 08 3c 03 0f RSP: 0018:ffff8880a540fa30 EFLAGS: 00010246 RAX: ffffffffffffffac RBX: 0000000000000000 RCX: ffffffffffffffd6 RDX: dffffc0000000000 RSI: ffffffff84ecf372 RDI: 0000000000000005 RBP: ffff8880a540fab8 R08: ffff88807f52e200 R09: 0000000000000003 R10: ffffed1015d25bcf R11: ffff8880ae92de7b R12: 000000000000001c R13: ffff888095c35340 R14: ffff8880a540fb98 R15: 0000000000000001 FS: 00007f72f1b9e700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000008aee1000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 kobject: 'loop4' (00000000b96be851): kobject_uevent_env Call Trace: kobject: 'loop4' (00000000b96be851): fill_kobj_path: path = '/devices/virtual/block/loop4' h4_recv+0xe4/0x200 drivers/bluetooth/hci_h4.c:131 hci_uart_tty_receive+0x22b/0x530 drivers/bluetooth/hci_ldisc.c:607 kobject: 'loop2' (00000000a3e7ef3b): kobject_uevent_env tiocsti drivers/tty/tty_io.c:2193 [inline] tty_ioctl+0x936/0x14d0 drivers/tty/tty_io.c:2569 kobject: 'loop2' (00000000a3e7ef3b): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000001b13c21b): kobject_uevent_env kobject: 'loop1' (000000001b13c21b): fill_kobj_path: path = '/devices/virtual/block/loop1' vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0xd6e/0x1390 fs/ioctl.c:696 FAT-fs (loop2): error, invalid access to FAT (entry 0x00000203) FAT-fs (loop2): Filesystem has been set read-only kobject: 'loop1' (000000001b13c21b): kobject_uevent_env kobject: 'loop1' (000000001b13c21b): fill_kobj_path: path = '/devices/virtual/block/loop1' ksys_ioctl+0xab/0xd0 fs/ioctl.c:713 __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718 kobject: 'loop2' (00000000a3e7ef3b): kobject_uevent_env do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe kobject: 'loop2' (00000000a3e7ef3b): fill_kobj_path: path = '/devices/virtual/block/loop2' RIP: 0033:0x457e39 Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f72f1b9dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 kobject: 'loop2' (00000000a3e7ef3b): kobject_uevent_env RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e39 RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000003 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 kobject: 'loop2' (00000000a3e7ef3b): fill_kobj_path: path = '/devices/virtual/block/loop2' R10: 0000000000000000 R11: 0000000000000246 R12: 00007f72f1b9e6d4 R13: 00000000004c2146 R14: 00000000004d4958 R15: 00000000ffffffff Modules linked in: CR2: ffffffffffffffd6 ---[ end trace b517906825f32a22 ]--- RIP: 0010:h4_recv_buf+0x1ea/0xda0 drivers/bluetooth/hci_h4.c:211 Code: b6 14 10 48 89 c8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 d7 0a 00 00 48 ba 00 00 00 00 00 fc ff df 48 8b 45 d0 4c 8d 60 70 <0f> b7 58 2a 4c 89 e0 48 c1 e8 03 0f b6 04 10 84 c0 74 08 3c 03 0f RSP: 0018:ffff8880a540fa30 EFLAGS: 00010246 RAX: ffffffffffffffac RBX: 0000000000000000 RCX: ffffffffffffffd6 RDX: dffffc0000000000 RSI: ffffffff84ecf372 RDI: 0000000000000005 RBP: ffff8880a540fab8 R08: ffff88807f52e200 R09: 0000000000000003 R10: ffffed1015d25bcf R11: ffff8880ae92de7b R12: 000000000000001c R13: ffff888095c35340 R14: ffff8880a540fb98 R15: 0000000000000001 FS: 00007f72f1b9e700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000008aee1000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400