BUG: unable to handle kernel paging request at ffffffff9f7e8e91
PGD 9470067 P4D 9470067 PUD 9471063 PMD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 6492 Comm: syz-executor.1 Not tainted 4.19.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:syscall_return_slowpath arch/x86/entry/common.c:267 [inline]
RIP: 0010:do_syscall_64+0x1ab/0x670 arch/x86/entry/common.c:296
Code: 25 00 02 00 00 31 ff 48 89 c3 48 89 c6 e8 bd 1e 71 00 48 85 db 0f 84 38 03 00 00 e8 1f 1d 71 00 00 00 00 31 ff 81 e3 91 00 00 <10> 89 de e8 7d 1e 71 00 85 db 0f 85 9c 03 00 00 e8 00 1d 71 00 48
RSP: 0018:ffff8880a532ff28 EFLAGS: 00010202
RAX: ffff8880a52302c0 RBX: 0000000000000200 RCX: ffffffff8100a5b3
RDX: 0000000000000000 RSI: ffffffff8100a5c1 RDI: 0000000000000007
RBP: ffff8880a532ff58 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000000
R13: ffffffff896389b8 R14: 0000000000000000 R15: 0000000000000000
FS:  000000000299c940(0000) GS:ffff8880ae300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff9f7e8e91 CR3: 00000000a616b000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c641
Code: 75 14 b8 23 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 64 cd fb ff c3 48 83 ec 08 e8 ea 46 00 00 48 89 04 24 b8 23 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 33 47 00 00 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:00007ffe4565d430 EFLAGS: 00000293 ORIG_RAX: 0000000000000023
RAX: 0000000000000000 RBX: 000000000004885f RCX: 000000000045c641
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffe4565d440
RBP: 0000000000000109 R08: 0000000000000000 R09: 000000000299c940
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000010
R13: 00007ffe4565d490 R14: 000000000004845f R15: 00007ffe4565d4a0
Modules linked in:
CR2: ffffffff9f7e8e91
---[ end trace 1f3a148720490eba ]---
BUG: unable to handle kernel paging request at ffffffff9f7e8e91
RIP: 0010:syscall_return_slowpath arch/x86/entry/common.c:267 [inline]
RIP: 0010:do_syscall_64+0x1ab/0x670 arch/x86/entry/common.c:296
PGD 9470067 
Code: 25 00 02 00 00 31 ff 48 89 c3 48 89 c6 e8 bd 1e 71 00 48 85 db 0f 84 38 03 00 00 e8 1f 1d 71 00 00 00 00 31 ff 81 e3 91 00 00 <10> 89 de e8 7d 1e 71 00 85 db 0f 85 9c 03 00 00 e8 00 1d 71 00 48
P4D 9470067 
RSP: 0018:ffff8880a532ff28 EFLAGS: 00010202
PUD 9471063 
PMD 0 
RAX: ffff8880a52302c0 RBX: 0000000000000200 RCX: ffffffff8100a5b3
RDX: 0000000000000000 RSI: ffffffff8100a5c1 RDI: 0000000000000007
Oops: 0002 [#2] PREEMPT SMP KASAN
RBP: ffff8880a532ff58 R08: 0000000000000000 R09: 0000000000000000
CPU: 0 PID: 6498 Comm: syz-executor.4 Tainted: G      D           4.19.148-syzkaller #0
R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000000
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
R13: ffffffff896389b8 R14: 0000000000000000 R15: 0000000000000000
RIP: 0010:syscall_return_slowpath arch/x86/entry/common.c:267 [inline]
RIP: 0010:do_syscall_64+0x1ab/0x670 arch/x86/entry/common.c:296
FS:  000000000299c940(0000) GS:ffff8880ae300000(0000) knlGS:0000000000000000
Code: 25 00 02 00 00 31 ff 48 89 c3 48 89 c6 e8 bd 1e 71 00 48 85 db 0f 84 38 03 00 00 e8 1f 1d 71 00 00 00 00 31 ff 81 e3 91 00 00 <10> 89 de e8 7d 1e 71 00 85 db 0f 85 9c 03 00 00 e8 00 1d 71 00 48
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
RSP: 0018:ffff888053777f28 EFLAGS: 00010202
CR2: ffffffff9f7e8e91 CR3: 00000000a616b000 CR4: 00000000001426e0
RAX: ffff88805376c440 RBX: 0000000000000200 RCX: ffffffff8100a5b3
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8100a5c1 RDI: 0000000000000007
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
RBP: ffff888053777f58 R08: 0000000000000000 R09: 0000000000000000