audit: type=1800 audit(1589367280.032:29044): pid=16600 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="syz-executor.3" name="bus" dev="sda1" ino=15948 res=0
hub 9-0:1.0: USB hub found
hub 9-0:1.0: 8 ports detected
BUG: unable to handle kernel NULL pointer dereference at           (null)
IP: do_syscall_64+0x1e3/0x640 arch/x86/entry/common.c:292
PGD 816d1067 P4D 816d1067 PUD 816d2067 PMD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 6356 Comm: syz-executor.0 Not tainted 4.14.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8880817d2400 task.stack: ffff8880817d8000
RIP: 0010:do_syscall_64+0x1e3/0x640 arch/x86/entry/common.c:292
RSP: 0018:ffff8880817dff00 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffffffff81371150 RCX: 1ffff110102fbf8e
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8880817dffa8
RBP: ffff8880817dff58 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff87d16698
R13: ffff8880817dffd0 R14: ffff8880817d2400 R15: 0000000000000000
FS:  00000000025cc940(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000816d0000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
invalid opcode: 0000 [#2] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 6356 Comm: syz-executor.0 Not tainted 4.14.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8880817d2400 task.stack: ffff8880817d8000
RIP: 0010:warn_bad_vsyscall arch/x86/entry/vsyscall/vsyscall_64.c:79 [inline]
RIP: 0010:warn_bad_vsyscall.cold+0x39/0x189 arch/x86/entry/vsyscall/vsyscall_64.c:73
RSP: 0018:ffff8880817df560 EFLAGS: 00010082
RAX: ffff8880817d2400 RBX: 1ffff110102fbeb5 RCX: ffff8880817df5c8
RDX: 0000000000000000 RSI: ffff8880817df608 RDI: 00000000004166ca
RBP: 00000000004166ca R08: ffff8880817df690 R09: fffffbfff14a9552
R10: fffffbfff14a9551 R11: ffffffff8a54aa8b R12: ffff8880817df690
R13: ffff8880817df5c8 R14: ffff8880817df608 R15: ffff8880817df5e8
FS:  00000000025cc940(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000816d0000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 2a 48 c1 <ea> 03 80 3c 02 00 74 05 e8 60 f2 82 00 48 8d 7b 50 b8 ff ff 37 
RIP: warn_bad_vsyscall arch/x86/entry/vsyscall/vsyscall_64.c:79 [inline] RSP: ffff8880817df560
RIP: warn_bad_vsyscall.cold+0x39/0x189 arch/x86/entry/vsyscall/vsyscall_64.c:73 RSP: ffff8880817df560
---[ end trace 752cb45f7d66ed52 ]---