panic: kernel diagnostic assertion "nlevel >= IPL_NONE" failed: file "/syzkaller/managers/multicore/kernel/sys/arch/amd64/amd64/intr.c", line 803 Starting stack trace... panic(ffffffff833b113f) at panic+0x1d0 sys/kern/subr_prf.c:229 __assert(ffffffff833ede98,ffffffff83433cdc,323,ffffffff83393ec2) at __assert+0x29 sys/kern/subr_prf.c:-1 splraise(b717b47c) at splraise+0xbd mtx_enter(fffffd806eab6d00) at mtx_enter+0xd4 sys/kern/kern_lock.c:407 pmap_page_remove(fffffd80088905c0) at pmap_page_remove+0xca rcr3 sys/arch/amd64/compile/SYZKALLER/obj/machine/cpufunc.h:139 [inline] pmap_page_remove(fffffd80088905c0) at pmap_page_remove+0xca pmap_map_ptes sys/arch/amd64/amd64/pmap.c:437 [inline] pmap_page_remove(fffffd80088905c0) at pmap_page_remove+0xca sys/arch/amd64/amd64/pmap.c:1974 uvm_anfree(fffffd807e0b0620) at uvm_anfree+0xd8 sys/uvm/uvm_anon.c:111 amap_wipeout(fffffd806cf3cc10) at amap_wipeout+0x246 sys/uvm/uvm_amap.c:-1 uvm_unmap_detach(ffff80002a342050,0) at uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 uvm_map_teardown(fffffd800b0633d0) at uvm_map_teardown+0x360 sys/uvm/uvm_map.c:2530 exit1(ffff8000ffffcf98,0,9,1) at exit1+0x6fc sys/kern/kern_exit.c:260 sigexit(ffff8000ffffcf98,9) at sigexit+0x116 postsig(ffff8000ffffcf98,9,ffff80002a342278) at postsig+0x68b sys/kern/kern_sig.c:1763 userret(ffff8000ffffcf98) at userret+0x23e sys/kern/kern_sig.c:2207 usertrap(ffff80002a342340) at usertrap+0x507 sys/arch/amd64/amd64/trap.c:646 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x77b63ebd1370, count: 242 End of stack trace.