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: 7879 Comm: io_uring-sq Not tainted 5.4.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:creds_are_invalid kernel/cred.c:792 [inline]
RIP: 0010:__validate_creds include/linux/cred.h:187 [inline]
RIP: 0010:override_creds+0x86/0x150 kernel/cred.c:550
Code: 03 0f 8e b5 00 00 00 81 7b 10 64 65 73 43 0f 85 d7 2c 00 00 49 8d 7c 24 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 8c 00 00 00 41 81 7c 24 10 64
RSP: 0018:ffff88808dacfd68 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff8880a0a7fc00 RCX: ffffffff81bba0d4
RDX: 0000000000000002 RSI: 0000000000000008 RDI: 0000000000000010
RBP: ffff88808dacfd80 R08: ffffed1012ece4a1 R09: ffffed1012ece4a1
R10: ffffed1012ece4a0 R11: ffff888097672507 R12: 0000000000000000
R13: ffff88808dacfed8 R14: ffff888097672500 R15: ffff8880a3a7f000
FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004eca80 CR3: 000000009437a000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 io_sq_thread+0x1c4/0x950 fs/io_uring.c:3283
 kthread+0x331/0x3f0 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Modules linked in:
---[ end trace fb661ba05a641bee ]---
RIP: 0010:creds_are_invalid kernel/cred.c:792 [inline]
RIP: 0010:__validate_creds include/linux/cred.h:187 [inline]
RIP: 0010:override_creds+0x86/0x150 kernel/cred.c:550
Code: 03 0f 8e b5 00 00 00 81 7b 10 64 65 73 43 0f 85 d7 2c 00 00 49 8d 7c 24 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 8c 00 00 00 41 81 7c 24 10 64
RSP: 0018:ffff88808dacfd68 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff8880a0a7fc00 RCX: ffffffff81bba0d4
RDX: 0000000000000002 RSI: 0000000000000008 RDI: 0000000000000010
RBP: ffff88808dacfd80 R08: ffffed1012ece4a1 R09: ffffed1012ece4a1
R10: ffffed1012ece4a0 R11: ffff888097672507 R12: 0000000000000000
R13: ffff88808dacfed8 R14: ffff888097672500 R15: ffff8880a3a7f000
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000001079e80 CR3: 000000009feb2000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400