binder: BINDER_SET_CONTEXT_MGR already set
BUG: unable to handle kernel paging request at ffffffffffffffd6
binder_alloc: binder_alloc_mmap_handler: 17687 20001000-20004000 already mapped failed -16
#PF error: [normal kernel read fault]
PGD 8874067 P4D 8874067 PUD 8876067 PMD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 17698 Comm: syz-executor.2 Not tainted 5.0.0-rc8+ #89
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:ffff8880a4577a30 EFLAGS: 00010246
RAX: ffffffffffffffac RBX: 0000000000000000 RCX: ffffffffffffffd6
RDX: dffffc0000000000 RSI: ffffffff84ed33a2 RDI: 0000000000000005
RBP: ffff8880a4577ab8 R08: ffff88804e5a8080 R09: 0000000000000003
R10: ffffed1015d25bcf R11: ffff8880ae92de7b R12: 000000000000001c
R13: ffff8880a0c0b500 R14: ffff8880a4577b98 R15: 0000000000000001
FS:  00007ff875b79700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
binder: 17686:17691 ioctl 40046207 0 returned -16
CR2: ffffffffffffffd6 CR3: 000000008c287000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 h4_recv+0xe4/0x200 drivers/bluetooth/hci_h4.c:131
binder_alloc: binder_alloc_mmap_handler: 17703 20001000-20004000 already mapped failed -16
 hci_uart_tty_receive+0x22b/0x530 drivers/bluetooth/hci_ldisc.c:607
 tiocsti drivers/tty/tty_io.c:2193 [inline]
 tty_ioctl+0x936/0x14d0 drivers/tty/tty_io.c:2569
binder: BINDER_SET_CONTEXT_MGR already set
binder: 17703:17704 ioctl 40046207 0 returned -16
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:509 [inline]
 do_vfs_ioctl+0xd6e/0x1390 fs/ioctl.c:696
binder_alloc: binder_alloc_mmap_handler: 17706 20001000-20004000 already mapped failed -16
binder: BINDER_SET_CONTEXT_MGR already set
 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
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
binder: 17706:17707 ioctl 40046207 0 returned -16
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457e29
binder_alloc: binder_alloc_mmap_handler: 17709 20001000-20004000 already mapped failed -16
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:00007ff875b78c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e29
RDX: 0000000020000180 RSI: 0000000000005412 RDI: 0000000000000004
binder: BINDER_SET_CONTEXT_MGR already set
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
binder: 17709:17710 ioctl 40046207 0 returned -16
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff875b796d4
R13: 00000000004c2117 R14: 00000000004d4a78 R15: 00000000ffffffff
Modules linked in:
CR2: ffffffffffffffd6
---[ end trace f944165e6064fea2 ]---
binder_alloc: binder_alloc_mmap_handler: 17712 20001000-20004000 already mapped failed -16
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
binder: BINDER_SET_CONTEXT_MGR already set
RSP: 0018:ffff8880a4577a30 EFLAGS: 00010246
RAX: ffffffffffffffac RBX: 0000000000000000 RCX: ffffffffffffffd6
binder: 17712:17713 ioctl 40046207 0 returned -16
RDX: dffffc0000000000 RSI: ffffffff84ed33a2 RDI: 0000000000000005
RBP: ffff8880a4577ab8 R08: ffff88804e5a8080 R09: 0000000000000003
R10: ffffed1015d25bcf R11: ffff8880ae92de7b R12: 000000000000001c
R13: ffff8880a0c0b500 R14: ffff8880a4577b98 R15: 0000000000000001
binder_alloc: binder_alloc_mmap_handler: 17715 20001000-20004000 already mapped failed -16
FS:  00007ff875b79700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000008c287000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
binder: BINDER_SET_CONTEXT_MGR already set
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400