kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 4378 Comm: hwclock Not tainted 5.4.0-rc7-next-20191114 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__do_sys_settimeofday kernel/time/time.c:210 [inline]
RIP: 0010:__se_sys_settimeofday kernel/time/time.c:199 [inline]
RIP: 0010:__x64_sys_settimeofday+0x170/0x320 kernel/time/time.c:199
Code: 85 50 ff ff ff 85 c0 0f 85 50 01 00 00 e8 b8 cd 10 00 48 8b 85 48 ff ff ff 48 c1 e8 03 48 89 c2 48 b8 00 00 00 00 00 fc ff df <80> 3c 02 00 0f 85 8a 01 00 00 49 8b 74 24 08 bf 40 42 0f 00 48 89
RSP: 0018:ffff888093e77e58 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 1ffff110127cefcd RCX: ffffffff8162e915
RDX: 00000ffff9ae1021 RSI: ffffffff8162e928 RDI: 0000000000000005
RBP: ffff888093e77f10 R08: ffff8880958aa300 R09: ffff8880958aab98
R10: fffffbfff1390d30 R11: ffffffff89c86987 R12: 00007fffcd708100
R13: ffff888093e77ee8 R14: 00007fffcd7080c0 R15: 0000000000072de7
FS:  00007fe83f39d700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f08f1366000 CR3: 00000000a888b000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_syscall_64+0xfa/0x760 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fe83ee98047
Code: ff ff 73 05 48 83 c4 08 c3 48 8b 0d eb 7d 2e 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb e6 90 90 90 90 90 b8 a4 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 7d 2e 00 31 d2 48 29 c2 64
RSP: 002b:00007fffcd708028 EFLAGS: 00000206 ORIG_RAX: 00000000000000a4
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe83ee98047
RDX: 000000005dcd1ee0 RSI: 00007fffcd7080c0 RDI: 00007fffcd708100
RBP: 0000000000000000 R08: 00007fffcd724080 R09: 0000000000000e8a
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace b92e32383a4529d3 ]---
RIP: 0010:__do_sys_settimeofday kernel/time/time.c:210 [inline]
RIP: 0010:__se_sys_settimeofday kernel/time/time.c:199 [inline]
RIP: 0010:__x64_sys_settimeofday+0x170/0x320 kernel/time/time.c:199
Code: 85 50 ff ff ff 85 c0 0f 85 50 01 00 00 e8 b8 cd 10 00 48 8b 85 48 ff ff ff 48 c1 e8 03 48 89 c2 48 b8 00 00 00 00 00 fc ff df <80> 3c 02 00 0f 85 8a 01 00 00 49 8b 74 24 08 bf 40 42 0f 00 48 89
RSP: 0018:ffff888093e77e58 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 1ffff110127cefcd RCX: ffffffff8162e915
RDX: 00000ffff9ae1021 RSI: ffffffff8162e928 RDI: 0000000000000005
RBP: ffff888093e77f10 R08: ffff8880958aa300 R09: ffff8880958aab98
R10: fffffbfff1390d30 R11: ffffffff89c86987 R12: 00007fffcd708100
R13: ffff888093e77ee8 R14: 00007fffcd7080c0 R15: 0000000000072de7
FS:  00007fe83f39d700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f08f1366000 CR3: 00000000a888b000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400