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: 1 PID: 7762 Comm: rsyslogd Not tainted 5.1.0-rc7-next-20190501 #34
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:fire_user_return_notifiers+0xae/0x160 kernel/user-return-notifier.c:41
Code: 00 00 00 00 fc ff df 75 10 eb 4a e8 dc 64 e6 ff 48 83 eb 08 49 89 dc 74 3c e8 ce 64 e6 ff 49 8d 7c 24 08 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 75 71 4c 89 e0 49 8b 5c 24 08 48 c1 e8 03 42 80 3c
RSP: 0018:ffff88808db27eb0 EFLAGS: 00010a02
RAX: 1bd5a00000000020 RBX: dead0000000000f8 RCX: ffffffff810bbdf7
RDX: 0000000000000000 RSI: ffffffff818aa512 RDI: dead000000000100
RBP: ffff88808db27ed0 R08: ffff8880a853e380 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: dead0000000000f8
R13: dffffc0000000000 R14: ffff88808db27f58 R15: ffff8880a853e380
FS:  00007f073c45c700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c428305000 CR3: 0000000094ebc000 CR4: 00000000001406e0
Call Trace:
 exit_to_usermode_loop+0x1a4/0x2c0 arch/x86/entry/common.c:172
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:276 [inline]
 do_syscall_64+0x57e/0x670 arch/x86/entry/common.c:301
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f073eebc1fd
Code: d1 20 00 00 75 10 b8 00 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e fa ff ff 48 89 04 24 b8 00 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 a7 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:00007f073c45be30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: 00000000000000c0 RBX: 0000000001c47ce0 RCX: 00007f073eebc1fd
RDX: 0000000000000fff RSI: 00007f073dc905a0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000001c33260 R09: 0000000000000000
R10: 63697665642f2720 R11: 0000000000000293 R12: 000000000065e420
R13: 00007f073c45c9c0 R14: 00007f073f501040 R15: 0000000000000003
Modules linked in:
---[ end trace 5a0a3e45a9624020 ]---
RIP: 0010:fire_user_return_notifiers+0xae/0x160 kernel/user-return-notifier.c:41
Code: 00 00 00 00 fc ff df 75 10 eb 4a e8 dc 64 e6 ff 48 83 eb 08 49 89 dc 74 3c e8 ce 64 e6 ff 49 8d 7c 24 08 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 75 71 4c 89 e0 49 8b 5c 24 08 48 c1 e8 03 42 80 3c
RSP: 0018:ffff88808db27eb0 EFLAGS: 00010a02
RAX: 1bd5a00000000020 RBX: dead0000000000f8 RCX: ffffffff810bbdf7
RDX: 0000000000000000 RSI: ffffffff818aa512 RDI: dead000000000100
RBP: ffff88808db27ed0 R08: ffff8880a853e380 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: dead0000000000f8
R13: dffffc0000000000 R14: ffff88808db27f58 R15: ffff8880a853e380
FS:  00007f073c45c700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c428305000 CR3: 0000000094ebc000 CR4: 00000000001406e0