Oops: general protection fault, probably for non-canonical address 0xdffffc0000000012: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000090-0x0000000000000097]
CPU: 1 UID: 0 PID: 5952 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:copy_creds+0x473/0xd10
Code: 6a 8b e8 a0 76 0f 00 48 c7 c7 e0 cd 13 8e 48 89 de e8 81 5c 0f 00 e8 6c 01 19 00 ba 01 00 00 00 4c 89 f7 31 f6 e8 6d 99 00 00 <41> 80 7c 24 12 00 74 0a bf 90 00 00 00 e8 eb bc 97 00 4c 8b 34 25
RSP: 0018:ffffc900045d7938 EFLAGS: 00010286
RAX: 0000000000000131 RBX: ffffffff818e8499 RCX: ffff88810d1ad700
RDX: 0000000000000000 RSI: 7fffffffffffffff RDI: 0000000000000131
RBP: 0000000000000001 R08: ffffffff8dfef75f R09: 1ffffffff1bfdeeb
R10: dffffc0000000000 R11: fffffbfff1bfdeec R12: dffffc0000000000
R13: 0000000000010000 R14: ffffffff8dfef6c0 R15: 1ffff110216064bd
FS:  000055558d65c500(0000) GS:ffff8882a9d02000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd1e15c36f0 CR3: 000000011b786000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 copy_process+0x964/0x3c00
 kernel_clone+0x21e/0x840
 __se_sys_clone3+0x256/0x2d0
 do_syscall_64+0xfa/0xfa0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd1e15c3709
Code: d6 08 00 48 8d 3d bc d6 08 00 e8 02 29 f6 ff 66 90 b8 ea ff ff ff 48 85 ff 74 2c 48 85 d2 74 27 49 89 c8 b8 b3 01 00 00 0f 05 <48> 85 c0 7c 18 74 01 c3 31 ed 48 83 e4 f0 4c 89 c7 ff d2 48 89 c7
RSP: 002b:00007fff0ae99118 EFLAGS: 00000202 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007fd1e1545b10 RCX: 00007fd1e15c3709
RDX: 00007fd1e1545b10 RSI: 0000000000000058 RDI: 00007fff0ae99160
RBP: 00007fd1e13ff6c0 R08: 00007fd1e13ff6c0 R09: 00007fff0ae99247
R10: 0000000000000008 R11: 0000000000000202 R12: ffffffffffffffa8
R13: 0000000000000009 R14: 00007fff0ae99160 R15: 00007fff0ae99248
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:copy_creds+0x473/0xd10
Code: 6a 8b e8 a0 76 0f 00 48 c7 c7 e0 cd 13 8e 48 89 de e8 81 5c 0f 00 e8 6c 01 19 00 ba 01 00 00 00 4c 89 f7 31 f6 e8 6d 99 00 00 <41> 80 7c 24 12 00 74 0a bf 90 00 00 00 e8 eb bc 97 00 4c 8b 34 25
RSP: 0018:ffffc900045d7938 EFLAGS: 00010286
RAX: 0000000000000131 RBX: ffffffff818e8499 RCX: ffff88810d1ad700
RDX: 0000000000000000 RSI: 7fffffffffffffff RDI: 0000000000000131
RBP: 0000000000000001 R08: ffffffff8dfef75f R09: 1ffffffff1bfdeeb
R10: dffffc0000000000 R11: fffffbfff1bfdeec R12: dffffc0000000000
R13: 0000000000010000 R14: ffffffff8dfef6c0 R15: 1ffff110216064bd
FS:  000055558d65c500(0000) GS:ffff8882a9d02000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fed5f717d60 CR3: 000000011b786000 CR4: 00000000000006f0