------------[ cut here ]------------
WARNING: CPU: 0 PID: 5368 at crypto/rsa-pkcs1pad.c:540 pkcs1pad_verify+0x454/0x5ac crypto/rsa-pkcs1pad.c:540
Modules linked in:
CPU: 0 PID: 5368 Comm: syz.4.393 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : pkcs1pad_verify+0x454/0x5ac crypto/rsa-pkcs1pad.c:540
lr : pkcs1pad_verify+0x454/0x5ac crypto/rsa-pkcs1pad.c:540
sp : ffff800023427630
x29: ffff800023427640 x28: ffff0000cb9f4000 x27: ffff0000cf157c00
x26: ffff0000cf157c00 x25: ffff8000234277c0 x24: dfff800000000000
x23: ffff8000234279a0 x22: 0000000000000000 x21: ffff0000cb9f4038
x20: 0000000000000200 x19: ffff0000cb9f4000 x18: 1fffe00033e7277e
x17: ffff80000a76afc4 x16: ffff800011b90080 x15: 8a8992b545d160b9
x14: 0000000000000002 x13: 1ffff00004684eed x12: 0000000000080000
x11: 0000000000005a00 x10: ffff800029aff000 x9 : ffff80000a6632a8
x8 : 0000000000005a01 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000008 x3 : 0000000000000000
x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 pkcs1pad_verify+0x454/0x5ac crypto/rsa-pkcs1pad.c:540
 crypto_akcipher_verify include/crypto/akcipher.h:370 [inline]
 public_key_verify_signature+0x720/0xb30 crypto/asymmetric_keys/public_key.c:460
 public_key_verify_signature_2+0x48/0x58 crypto/asymmetric_keys/public_key.c:479
 verify_signature+0xe8/0x108 crypto/asymmetric_keys/signature.c:154
 asymmetric_key_verify_signature+0x154/0x1ec crypto/asymmetric_keys/asymmetric_type.c:614
 keyctl_pkey_verify+0x1c4/0x248 security/keys/keyctl_pkey.c:326
 __do_sys_keyctl security/keys/keyctl.c:2017 [inline]
 __se_sys_keyctl security/keys/keyctl.c:1886 [inline]
 __arm64_sys_keyctl+0x62c/0x8e0 security/keys/keyctl.c:1886
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
irq event stamp: 534
hardirqs last  enabled at (533): [<ffff800011c77b24>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (533): [<ffff800011c77b24>] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194
hardirqs last disabled at (534): [<ffff800011b8c2bc>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (346): [<ffff800008031254>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (344): [<ffff800008031220>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---