------------[ cut here ]------------ WARNING: CPU: 1 PID: 4773 at crypto/rsa-pkcs1pad.c:538 pkcs1pad_verify+0x4f8/0x680 crypto/rsa-pkcs1pad.c:538 Modules linked in: CPU: 0 PID: 4773 Comm: syz.0.164 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:pkcs1pad_verify+0x4f8/0x680 crypto/rsa-pkcs1pad.c:538 Code: 89 df 89 ee 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d e9 eb 0d 00 00 e8 a6 71 c2 fd 0f 0b b8 ea ff ff ff eb c6 e8 98 71 c2 fd <0f> 0b b8 ea ff ff ff eb b8 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c RSP: 0018:ffffc900031df7c0 EFLAGS: 00010283 RAX: ffffffff83b68b18 RBX: ffff888060ee0e00 RCX: 0000000000080000 RDX: ffffc90004b69000 RSI: 00000000000011eb RDI: 00000000000011ec RBP: 0000000000000000 R08: ffffc900031df917 R09: ffffc900031df908 R10: dffffc0000000000 R11: fffff5200063bf23 R12: ffff88805e0b5680 R13: dffffc0000000000 R14: ffff888060ee0e44 R15: dffffc0000000000 FS: 00007f88bf7fd6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3dd34d72f8 CR3: 000000001f52a000 CR4: 00000000003506f0 Call Trace: crypto_akcipher_verify include/crypto/akcipher.h:370 [inline] public_key_verify_signature+0x87f/0xd40 crypto/asymmetric_keys/public_key.c:460 asymmetric_key_verify_signature+0x171/0x210 crypto/asymmetric_keys/asymmetric_type.c:582 keyctl_pkey_verify+0x40e/0x430 security/keys/keyctl_pkey.c:326 __do_sys_keyctl security/keys/keyctl.c:2017 [inline] __se_sys_keyctl+0x684/0xa20 security/keys/keyctl.c:1886 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f88c15a50d9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f88bf7fd028 EFLAGS: 00000246 ORIG_RAX: 00000000000000fa RAX: ffffffffffffffda RBX: 00007f88c182cfa0 RCX: 00007f88c15a50d9 RDX: 0000200000000040 RSI: 0000200000000000 RDI: 000000000000001c RBP: 00007f88c163c024 R08: 0000200000000440 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f88c182d038 R14: 00007f88c182cfa0 R15: 00007ffea9eb8618