------------[ cut here ]------------ kernel BUG at kernel/cred.c:456! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 3851 Comm: syz-executor.3 Not tainted 5.18.0-rc2-next-20220414-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:commit_creds+0xf33/0x1360 kernel/cred.c:456 Code: 84 d2 0f 85 94 03 00 00 45 8b 74 24 2c 89 de 44 89 f7 e8 80 d8 29 00 41 39 de 0f 85 03 f8 ff ff e9 10 f8 ff ff e8 6d d5 29 00 <0f> 0b e8 66 d5 29 00 0f 0b e8 5f d5 29 00 0f 0b 48 89 cf e8 15 68 RSP: 0018:ffffc90002e9fc58 EFLAGS: 00010212 RAX: 0000000000000269 RBX: dffffc0000000000 RCX: ffffc90005b72000 RDX: 0000000000040000 RSI: ffffffff81502c83 RDI: ffff88801a9f8800 RBP: ffff88801a9f8800 R08: 0000000000000000 R09: 00000000086e0500 R10: ffffffff83b21be5 R11: 0000000000000000 R12: ffff88801a9f8b00 R13: ffff88802aad8000 R14: ffff88802aad8000 R15: ffffed100555b104 FS: 00007f13e83ff700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f13e83de718 CR3: 000000001ad8d000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: install_process_keyring security/keys/process_keys.c:306 [inline] lookup_user_key+0x534/0x1270 security/keys/process_keys.c:653 __do_sys_add_key+0x1d3/0x430 security/keys/keyctl.c:126 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f13e72890e9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f13e83ff168 EFLAGS: 00000246 ORIG_RAX: 00000000000000f8 RAX: ffffffffffffffda RBX: 00007f13e739bf60 RCX: 00007f13e72890e9 RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000020000080 RBP: 00007f13e72e308d R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000000048 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcd8c71ddf R14: 00007f13e83ff300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:commit_creds+0xf33/0x1360 kernel/cred.c:456 Code: 84 d2 0f 85 94 03 00 00 45 8b 74 24 2c 89 de 44 89 f7 e8 80 d8 29 00 41 39 de 0f 85 03 f8 ff ff e9 10 f8 ff ff e8 6d d5 29 00 <0f> 0b e8 66 d5 29 00 0f 0b e8 5f d5 29 00 0f 0b 48 89 cf e8 15 68 RSP: 0018:ffffc90002e9fc58 EFLAGS: 00010212 RAX: 0000000000000269 RBX: dffffc0000000000 RCX: ffffc90005b72000 RDX: 0000000000040000 RSI: ffffffff81502c83 RDI: ffff88801a9f8800 RBP: ffff88801a9f8800 R08: 0000000000000000 R09: 00000000086e0500 R10: ffffffff83b21be5 R11: 0000000000000000 R12: ffff88801a9f8b00 R13: ffff88802aad8000 R14: ffff88802aad8000 R15: ffffed100555b104 FS: 00007f13e83ff700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f39bed691b8 CR3: 000000001ad8d000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400