kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 22047 Comm: syz-executor.5 Not tainted 5.5.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:skb_put+0x35/0x1d0 net/core/skbuff.c:1861 Code: 89 f5 41 54 49 89 fc 53 4d 8d b4 24 b8 00 00 00 48 83 ec 08 e8 3c 60 63 fb 4c 89 f2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 4c RSP: 0018:ffffc900045b79d8 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffffc900045b7b98 RCX: ffffc90014f12000 RDX: 0000000000000017 RSI: ffffffff8611cb74 RDI: 0000000000000000 RBP: ffffc900045b7a08 R08: ffff88809707a1c0 R09: ffffed1011c58b5a R10: ffffed1011c58b59 R11: ffff88808e2c5acf R12: 0000000000000000 R13: 0000000000000001 R14: 00000000000000b8 R15: ffff88808e2c5ac8 FS: 00007fd60fab4700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe0bfd8b8c CR3: 00000000948f8000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: skb_put_data include/linux/skbuff.h:2233 [inline] h5_unslip_one_byte drivers/bluetooth/hci_h5.c:521 [inline] h5_recv+0x3c2/0x500 drivers/bluetooth/hci_h5.c:557 hci_uart_tty_receive+0x279/0x6d0 drivers/bluetooth/hci_ldisc.c:613 tiocsti drivers/tty/tty_io.c:2200 [inline] tty_ioctl+0x949/0x14f0 drivers/tty/tty_io.c:2576 vfs_ioctl fs/ioctl.c:47 [inline] file_ioctl fs/ioctl.c:545 [inline] do_vfs_ioctl+0x977/0x14e0 fs/ioctl.c:732 ksys_ioctl+0xab/0xd0 fs/ioctl.c:749 __do_sys_ioctl fs/ioctl.c:756 [inline] __se_sys_ioctl fs/ioctl.c:754 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:754 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a6f9 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:00007fd60fab3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a6f9 RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000003 RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd60fab46d4 R13: 00000000004c5817 R14: 00000000004db9b8 R15: 00000000ffffffff Modules linked in: ---[ end trace a081271fe06cb751 ]--- RIP: 0010:skb_put+0x35/0x1d0 net/core/skbuff.c:1861 Code: 89 f5 41 54 49 89 fc 53 4d 8d b4 24 b8 00 00 00 48 83 ec 08 e8 3c 60 63 fb 4c 89 f2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 4c RSP: 0018:ffffc900045b79d8 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffffc900045b7b98 RCX: ffffc90014f12000 RDX: 0000000000000017 RSI: ffffffff8611cb74 RDI: 0000000000000000 RBP: ffffc900045b7a08 R08: ffff88809707a1c0 R09: ffffed1011c58b5a R10: ffffed1011c58b59 R11: ffff88808e2c5acf R12: 0000000000000000 R13: 0000000000000001 R14: 00000000000000b8 R15: ffff88808e2c5ac8 FS: 00007fd60fab4700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdc0b825000 CR3: 00000000948f8000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400