RAX: ffffffffffffffda RBX: 00007fdceff8dc90 RCX: 0000000000459519
RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802123001ff6
RBP: 000000000075bf20 R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdceff8e6d4
R13: 00000000004bf97d R14: 00000000004d1358 R15: 0000000000000004
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: 12539 Comm: syz-executor.2 Not tainted 5.2.0-rc7-next-20190701 #26
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:task_pid_ptr kernel/pid.c:277 [inline]
RIP: 0010:get_task_pid+0xa7/0x2e0 kernel/pid.c:376
Code: e8 de 18 26 00 85 db 0f 85 fa 00 00 00 e8 51 17 26 00 49 8d bd 40 05 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 0a 02 00 00 4d 8b a5 40 05 00 00 e8 23 17 26 00
RSP: 0018:ffff88805bcb7cf8 EFLAGS: 00010203
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000a21b000
RDX: 00000000000000a8 RSI: ffffffff814c3c5f RDI: 0000000000000545
RBP: ffff88805bcb7d10 R08: ffff8880a23fa2c0 R09: ffffed1015d26c84
R10: ffffed1015d26c83 R11: ffff8880ae93641b R12: 0000000000000001
R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fdceff8e700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000625208 CR3: 00000000920b4000 CR4: 00000000001526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 _do_fork+0x1f7/0xfa0 kernel/fork.c:2380
 __do_sys_clone kernel/fork.c:2510 [inline]
 __se_sys_clone kernel/fork.c:2490 [inline]
 __x64_sys_clone+0x186/0x250 kernel/fork.c:2490
 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459519
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fdceff8dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fdceff8dc90 RCX: 0000000000459519
RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802123001ff6
RBP: 000000000075bf20 R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdceff8e6d4
R13: 00000000004bf97d R14: 00000000004d1358 R15: 0000000000000004
Modules linked in:
---[ end trace cb4f1090b579ced1 ]---
RIP: 0010:task_pid_ptr kernel/pid.c:277 [inline]
RIP: 0010:get_task_pid+0xa7/0x2e0 kernel/pid.c:376
Code: e8 de 18 26 00 85 db 0f 85 fa 00 00 00 e8 51 17 26 00 49 8d bd 40 05 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 0a 02 00 00 4d 8b a5 40 05 00 00 e8 23 17 26 00
RSP: 0018:ffff88805bcb7cf8 EFLAGS: 00010203
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000a21b000
RDX: 00000000000000a8 RSI: ffffffff814c3c5f RDI: 0000000000000545
RBP: ffff88805bcb7d10 R08: ffff8880a23fa2c0 R09: ffffed1015d26c84
R10: ffffed1015d26c83 R11: ffff8880ae93641b R12: 0000000000000001
R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fdceff8e700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000738000 CR3: 00000000920b4000 CR4: 00000000001526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400