------------[ cut here ]------------ Bad FPU state detected at copy_kernel_to_xregs arch/x86/include/asm/fpu/internal.h:344 [inline], reinitializing FPU registers. Bad FPU state detected at __copy_kernel_to_fpregs arch/x86/include/asm/fpu/internal.h:419 [inline], reinitializing FPU registers. Bad FPU state detected at copy_kernel_to_fpregs+0x99/0xe0 arch/x86/include/asm/fpu/internal.h:443, reinitializing FPU registers. WARNING: CPU: 1 PID: 25736 at arch/x86/mm/extable.c:65 ex_handler_fprestore+0xf0/0x110 arch/x86/mm/extable.c:65 Modules linked in: CPU: 1 PID: 25736 Comm: syz-executor.0 Not tainted 5.13.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ex_handler_fprestore+0xf0/0x110 arch/x86/mm/extable.c:65 Code: e8 c5 07 41 00 b8 01 00 00 00 5b 5d 41 5c c3 e8 b6 07 41 00 48 89 de 48 c7 c7 c0 0c 69 89 c6 05 78 30 81 0c 01 e8 a3 0e a1 07 <0f> 0b eb 90 48 89 df e8 04 09 86 00 e9 3d ff ff ff e8 8a 09 86 00 RSP: 0018:ffffc90001c3fcd0 EFLAGS: 00010082 RAX: 0000000000000000 RBX: ffffffff812aa3f9 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff815cdf95 RDI: fffff52000387f8c RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff815c7dfe R11: 0000000000000000 R12: ffffffff8b24bc28 R13: 000000000000000d R14: 0000000000000000 R15: 0000000000000000 FS: 00007ff7e6d43700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2fa22000 CR3: 0000000075007000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: fixup_exception+0x9a/0xd0 arch/x86/mm/extable.c:183 __exc_general_protection arch/x86/kernel/traps.c:567 [inline] exc_general_protection+0xed/0x2f0 arch/x86/kernel/traps.c:531 asm_exc_general_protection+0x1e/0x30 arch/x86/include/asm/idtentry.h:571 RIP: 0010:copy_kernel_to_fpregs+0x99/0xe0 arch/x86/include/asm/fpu/internal.h:444 Code: 44 24 20 e8 e9 34 4a 00 48 8b 6c 24 20 0f 1f 44 00 00 e8 da 34 4a 00 e8 d5 34 4a 00 b8 ff ff ff ff 48 89 ef 89 c2 48 0f ae 2f c2 34 4a 00 48 b8 00 00 00 00 00 fc ff df 48 c7 04 03 00 00 00 RSP: 0018:ffffc90001c3fe70 EFLAGS: 00010012 RAX: 00000000ffffffff RBX: 1ffff92000387fce RCX: ffffc90001901000 RDX: 00000000ffffffff RSI: ffffffff812aa3eb RDI: ffff88807bf3b440 RBP: ffff88807bf3b440 R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff812aa4a3 R11: 0000000000000000 R12: 0000000000000001 R13: ffff88807bf3b400 R14: 0000000000000000 R15: 0000000000000000 __fpregs_load_activate arch/x86/include/asm/fpu/internal.h:514 [inline] switch_fpu_return+0x92/0x390 arch/x86/kernel/fpu/core.c:406 arch_exit_to_user_mode_prepare arch/x86/include/asm/entry-common.h:58 [inline] exit_to_user_mode_prepare+0x1eb/0x280 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline] syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:301 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:57 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ff7e6d43218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 000000000056bf88 RCX: 00000000004665d9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000056bf88 RBP: 000000000056bf80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf8c R13: 00007fff026b4b7f R14: 00007ff7e6d43300 R15: 0000000000022000