general protection fault, probably for non-canonical address 0xdffffc0000000017: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x00000000000000b8-0x00000000000000bf]
CPU: 0 PID: 19047 Comm: syz-executor.0 Not tainted 5.6.0-rc3-next-20200228-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:skb_put+0x2d/0x1c0 net/core/skbuff.c:1860
Code: 56 41 55 41 54 41 89 f4 55 48 89 fd 4c 8d ad b8 00 00 00 53 e8 44 5e 65 fb 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 36
RSP: 0018:ffffc90001d37b90 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffffc90001d37d38 RCX: ffffc90002ac9000
RDX: 0000000000000017 RSI: ffffffff860d373c RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff888048b1e240 R09: ffffed1013fb8056
R10: ffffed1013fb8055 R11: ffff88809fdc02af R12: 0000000000000001
R13: 00000000000000b8 R14: dffffc0000000000 R15: ffff88809fdc02a8
FS:  00007f63d1436700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f63d1435db8 CR3: 0000000090587000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 skb_put_data include/linux/skbuff.h:2282 [inline]
 h5_unslip_one_byte drivers/bluetooth/hci_h5.c:523 [inline]
 h5_recv+0x373/0x490 drivers/bluetooth/hci_h5.c:559
 hci_uart_tty_receive+0x275/0x750 drivers/bluetooth/hci_ldisc.c:613
 tiocsti drivers/tty/tty_io.c:2200 [inline]
 tty_ioctl+0x906/0x1440 drivers/tty/tty_io.c:2576
 vfs_ioctl fs/ioctl.c:47 [inline]
 ksys_ioctl+0x11a/0x180 fs/ioctl.c:763
 __do_sys_ioctl fs/ioctl.c:772 [inline]
 __se_sys_ioctl fs/ioctl.c:770 [inline]
 __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:770
 do_syscall_64+0xf6/0x790 arch/x86/entry/common.c:295
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c4a9
Code: ad b6 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 b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f63d1435c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f63d14366d4 RCX: 000000000045c4a9
RDX: 00000000200000c0 RSI: 0000000000005412 RDI: 0000000000000003
RBP: 000000000076c060 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000583 R14: 00000000004c7ddd R15: 000000000076c06c
Modules linked in:
---[ end trace e149bf5031098708 ]---
RIP: 0010:skb_put+0x2d/0x1c0 net/core/skbuff.c:1860
Code: 56 41 55 41 54 41 89 f4 55 48 89 fd 4c 8d ad b8 00 00 00 53 e8 44 5e 65 fb 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 36
RSP: 0018:ffffc90001d37b90 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffffc90001d37d38 RCX: ffffc90002ac9000
RDX: 0000000000000017 RSI: ffffffff860d373c RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff888048b1e240 R09: ffffed1013fb8056
R10: ffffed1013fb8055 R11: ffff88809fdc02af R12: 0000000000000001
R13: 00000000000000b8 R14: dffffc0000000000 R15: ffff88809fdc02a8
FS:  00007f63d1436700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efcee337330 CR3: 0000000090587000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600