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: 2016 Comm: syz-executor.0 Not tainted 5.2.0-rc7 #39 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:task_pid_ptr kernel/pid.c:273 [inline] RIP: 0010:get_task_pid+0xa7/0x2e0 kernel/pid.c:372 Code: e8 6e 78 25 00 85 db 0f 85 fa 00 00 00 e8 e1 76 25 00 49 8d bd 38 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 38 05 00 00 e8 b3 76 25 00 RSP: 0018:ffff888056487da0 EFLAGS: 00010203 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90005e23000 RDX: 00000000000000a7 RSI: ffffffff814b4c5f RDI: 000000000000053d RBP: ffff888056487db8 R08: ffff88808e19a4c0 R09: ffffed1015d26c70 R10: ffffed1015d26c6f R11: ffff8880ae93637b R12: 0000000000000001 R13: 0000000000000005 R14: 0000000000000000 R15: ffffffffffffffea FS: 00007feb088e9700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000046eb20 CR3: 000000005bb47000 CR4: 00000000001406e0 Call Trace: _do_fork+0x2f2/0xfe0 kernel/fork.c:2364 __do_sys_clone kernel/fork.c:2458 [inline] __se_sys_clone kernel/fork.c:2452 [inline] __x64_sys_clone+0xbf/0x150 kernel/fork.c:2452 do_syscall_64+0xfd/0x680 arch/x86/entry/common.c:301 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:00007feb088e8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007feb088e8c90 RCX: 0000000000459519 RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000003102001ffd RBP: 000000000075bf20 R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007feb088e96d4 R13: 00000000004bf97d R14: 00000000004d1358 R15: 0000000000000004 Modules linked in: ---[ end trace af45ca381d519fc8 ]--- RIP: 0010:task_pid_ptr kernel/pid.c:273 [inline] RIP: 0010:get_task_pid+0xa7/0x2e0 kernel/pid.c:372 Code: e8 6e 78 25 00 85 db 0f 85 fa 00 00 00 e8 e1 76 25 00 49 8d bd 38 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 38 05 00 00 e8 b3 76 25 00 RSP: 0018:ffff888056487da0 EFLAGS: 00010203 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90005e23000 RDX: 00000000000000a7 RSI: ffffffff814b4c5f RDI: 000000000000053d RBP: ffff888056487db8 R08: ffff88808e19a4c0 R09: ffffed1015d26c70 R10: ffffed1015d26c6f R11: ffff8880ae93637b R12: 0000000000000001 R13: 0000000000000005 R14: 0000000000000000 R15: ffffffffffffffea FS: 00007feb088e9700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e224000 CR3: 000000005bb47000 CR4: 00000000001406e0