BUG: unable to handle kernel NULL pointer dereference at           (null)
IP: do_syscall_64+0x1e3/0x640 arch/x86/entry/common.c:292
PGD 50735067 P4D 50735067 PUD 50736067 PMD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 6357 Comm: syz-executor.1 Not tainted 4.14.176-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88805074a280 task.stack: ffff888050750000
RIP: 0010:do_syscall_64+0x1e3/0x640 arch/x86/entry/common.c:292
RSP: 0018:ffff888050757f00 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffffffff814e0900 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff888050757fa8
RBP: ffff888050757f58 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff87d16698
R13: ffff888050757fd0 R14: ffff88805074a280 R15: 0000000000000000
FS:  0000000002c6a940(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000050734000 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: 6357 Comm: syz-executor.1 Not tainted 4.14.176-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88805074a280 task.stack: ffff888050750000
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:ffff888050757560 EFLAGS: 00010082
RAX: ffff88805074a280 RBX: 1ffff1100a0eaeb5 RCX: ffff8880507575c8
RDX: 0000000000000000 RSI: ffff888050757608 RDI: 000000000045ad30
RBP: 000000000045ad30 R08: ffff888050757690 R09: fffffbfff14a8f5a
R10: fffffbfff14a8f59 R11: ffffffff8a547acb R12: ffff888050757690
R13: ffff8880507575c8 R14: ffff888050757608 R15: ffff8880507575e8
FS:  0000000002c6a940(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000050734000 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 00 f0 82 00 48 8d 7b 50 b8 ff ff 37 
RIP: warn_bad_vsyscall arch/x86/entry/vsyscall/vsyscall_64.c:79 [inline] RSP: ffff888050757560
RIP: warn_bad_vsyscall.cold+0x39/0x189 arch/x86/entry/vsyscall/vsyscall_64.c:73 RSP: ffff888050757560
---[ end trace 524c59557b5db6df ]---