------------[ cut here ]------------ WARNING: CPU: 1 PID: 10889 at arch/arm64/kernel/fpsimd.c:370 task_fpsimd_load arch/arm64/kernel/fpsimd.c:370 [inline] WARNING: CPU: 1 PID: 10889 at arch/arm64/kernel/fpsimd.c:370 fpsimd_restore_current_state+0x4cc/0x708 arch/arm64/kernel/fpsimd.c:1746 Modules linked in: CPU: 1 UID: 0 PID: 10889 Comm: syz.7.856 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : task_fpsimd_load arch/arm64/kernel/fpsimd.c:370 [inline] pc : fpsimd_restore_current_state+0x4cc/0x708 arch/arm64/kernel/fpsimd.c:1746 lr : task_fpsimd_load arch/arm64/kernel/fpsimd.c:370 [inline] lr : fpsimd_restore_current_state+0x4cc/0x708 arch/arm64/kernel/fpsimd.c:1746 sp : ffff80009d777de0 x29: ffff80009d777de0 x28: ffff0000c6999ec0 x27: 0000000000000000 x26: 0000000000000000 x25: 0000000000000008 x24: 0000000000000040 x23: 00000000000020ff x22: dfff800000000000 x21: 1fffe00018d333d8 x20: 0000000000000000 x19: ffff0000c6999ec0 x18: 1fffe000337dfe90 x17: ffff80008f57e000 x16: ffff80008052ae04 x15: 0000000000000001 x14: 1fffe00018d333d8 x13: 0000000000000000 x12: 0000000000000000 x11: ffff600018d333d9 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c6999ec0 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000801f8344 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: task_fpsimd_load arch/arm64/kernel/fpsimd.c:370 [inline] (P) fpsimd_restore_current_state+0x4cc/0x708 arch/arm64/kernel/fpsimd.c:1746 (P) arch_exit_to_user_mode_work arch/arm64/include/asm/entry-common.h:25 [inline] exit_to_user_mode_loop+0xe4/0x178 kernel/entry/common.c:46 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:747 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:765 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 79 hardirqs last enabled at (77): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (77): [] _raw_spin_unlock_irq+0x30/0x80 kernel/locking/spinlock.c:202 hardirqs last disabled at (79): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (8): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (78): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---