[ 64.2871173] panic: fpudna from kernel, ip 0xffffffff80263f9b, trapframe 0xffffcd80c7b53740 [ 64.2971021] cpu1: Begin traceback... [ 64.3071032] vpanic() at netbsd:vpanic+0xc9d [ 64.3571037] panic() at netbsd:panic+0x1b3 sys/kern/subr_prf.c:209 [ 64.4071055] fpudna() at netbsd:fpudna+0x176 [ 64.4571100] Xtrap07() at netbsd:Xtrap07+0xbf [ 64.5071085] fpu_save() at netbsd:fpu_save+0x320 fpu_area_save sys/arch/x86/x86/fpu.c:273 [inline] [ 64.5071085] fpu_save() at netbsd:fpu_save+0x320 fpu_save_lwp sys/arch/x86/x86/fpu.c:159 [inline] [ 64.5071085] fpu_save() at netbsd:fpu_save+0x320 sys/arch/x86/x86/fpu.c:172 [ 64.5471061] process_write_fpregs_xmm() at netbsd:process_write_fpregs_xmm+0x207 fpu_lwp_area sys/arch/x86/x86/fpu.c:144 [inline] [ 64.5471061] process_write_fpregs_xmm() at netbsd:process_write_fpregs_xmm+0x207 sys/arch/x86/x86/fpu.c:702 [ 64.5971043] cpu_setmcontext() at netbsd:cpu_setmcontext+0x9bd [ 64.6471046] setucontext() at netbsd:setucontext+0x3de sys/kern/kern_sig.c:789 [ 64.6971114] sys_setcontext() at netbsd:sys_setcontext+0x272 sys/kern/sys_sig.c:355 [ 64.7471119] syscall() at netbsd:syscall+0x60c sy_invoke sys/sys/syscallvar.h:94 [inline] [ 64.7471119] syscall() at netbsd:syscall+0x60c sys/arch/x86/x86/syscall.c:138 [ 64.7671102] --- syscall (number 3) --- [ 64.7771077] netbsd:syscall+0x60c: [ 64.7871078] cpu1: End traceback... [ 64.7871078] fatal breakpoint trap in supervisor mode [ 64.7971043] trap type 1 code 0 rip 0xffffffff8023686d cs 0x8 rflags 0x82 cr2 0x7f7fd0c9d020 ilevel 0x6 rsp 0xffffcd80c7b53530 [ 64.8071026] curlwp 0xffffcd80135431c0 pid 1128.1211 lowest kstack 0xffffcd80c7b4c2c0 Stopped in pid 1128.1211 (syz-execprog) at netbsd:breakpoint+0x5: leave ? breakpoint() at netbsd:breakpoint+0x5 vpanic() at netbsd:vpanic+0xc9d panic() at netbsd:panic+0x1b3 sys/kern/subr_prf.c:209 fpudna() at netbsd:fpudna+0x176 Xtrap07() at netbsd:Xtrap07+0xbf fpu_save() at netbsd:fpu_save+0x320 fpu_area_save sys/arch/x86/x86/fpu.c:273 [inline] fpu_save() at netbsd:fpu_save+0x320 fpu_save_lwp sys/arch/x86/x86/fpu.c:159 [inline] fpu_save() at netbsd:fpu_save+0x320 sys/arch/x86/x86/fpu.c:172 process_write_fpregs_xmm() at netbsd:process_write_fpregs_xmm+0x207 fpu_lwp_area sys/arch/x86/x86/fpu.c:144 [inline] process_write_fpregs_xmm() at netbsd:process_write_fpregs_xmm+0x207 sys/arch/x86/x86/fpu.c:702 cpu_setmcontext() at netbsd:cpu_setmcontext+0x9bd setucontext() at netbsd:setucontext+0x3de sys/kern/kern_sig.c:789 sys_setcontext() at netbsd:sys_setcontext+0x272 sys/kern/sys_sig.c:355 syscall() at netbsd:syscall+0x60c sy_invoke sys/sys/syscallvar.h:94 [inline] syscall() at netbsd:syscall+0x60c sys/arch/x86/x86/syscall.c:138 --- syscall (number 3) --- netbsd:syscall+0x60c: Panic string: fpudna from kernel, ip 0xffffffff80263f9b, trapframe 0xffffcd80c7b53740 PID LID S CPU FLAGS STRUCT LWP * NAME WAIT 2249 2356 2 0 0 ffffcd801340f140 syz-executor.1 2249 2104 2 0 100 ffffcd8013619ac0 syz-executor.1 2249 2249 2 0 10000000 ffffcd8013619680 syz-executor.1 2260 2260 3 0 180 ffffcd8013619240 syz-executor.4 pipe_rd 2255 2271 2 0 0 ffffcd80135295c0 syz-executor.2 2255 1356 3 0 180 ffffcd8013529180 syz-executor.2 parked 2255 1473 3 0 180 ffffcd8013601a80 syz-executor.2 parked 2255 2255 2 0 10000000 ffffcd8013601640 syz-executor.2 1355 1355 2 0 0 ffffcd80133fd980 syz-executor.1 2014 2014 2 1 0 ffffcd80133fd540 syz-executor.3 2248 >2248 7 0 0 ffffcd8013543a40 syz-executor.2 1128 >1211 7 1 40 ffffcd80135431c0 syz-execprog 1128 1206 3 0 180 ffffcd8013601200 syz-execprog parked 1128 1200 3 0 180 ffffcd8013543600 syz-execprog parked 1128 1205 3 1 180 ffffcd8013529a00 syz-execprog wait 1128 1239 3 1 180 ffffcd80133fd100 syz-execprog wait 1128 1386 3 0 180 ffffcd8012c64940 syz-execprog parked 1128 1241 3 0 180 ffffcd8012c64500 syz-execprog parked 1128 829 3 1 180 ffffcd8012c640c0 syz-execprog parked 1128 929 2 1 140 ffffcd8012ba5900 syz-execprog 1128 1243 3 1 180 ffffcd8012ba54c0 syz-execprog parked 1128 942 3 0 180 ffffcd8012ba5080 syz