[ 11615.7277435] panic: LOCKDEBUG: Reader / writer lock error: rw_destroy,242: assertion failed: (rw->rw_owner & ~RW_NODEBUG) == 0
[ 11615.7822919] cpu0: Begin traceback...
[ 11615.9457559] vpanic() at netbsd:vpanic+0x265 syzkaller/managers/netbsd/kernel/sys/kern/subr_prf.c:290
[ 11616.3257520] snprintf() at netbsd:snprintf
[ 11616.7157598] lockdebug_more() at netbsd:lockdebug_more
[ 11617.1457674] rw_abort() at netbsd:rw_abort+0x5c syzkaller/managers/netbsd/kernel/sys/kern/kern_rwlock.c:204
[ 11617.5357660] rw_destroy() at netbsd:rw_destroy+0x9c syzkaller/managers/netbsd/kernel/sys/kern/kern_rwlock.c:242
[ 11617.8957679] rw_obj_free() at netbsd:rw_obj_free+0x9f syzkaller/managers/netbsd/kernel/sys/kern/kern_rwlock_obj.c:154
[ 11618.2657814] amap_copy() at netbsd:amap_copy+0x194 syzkaller/managers/netbsd/kernel/sys/uvm/uvm_amap.c:933
[ 11618.6357788] uvm_fault_internal() at netbsd:uvm_fault_internal+0x3991 uvmfault_amapcopy syzkaller/managers/netbsd/kernel/sys/uvm/uvm_fault.c:244 [inline]
[ 11618.6357788] uvm_fault_internal() at netbsd:uvm_fault_internal+0x3991 uvm_fault_check syzkaller/managers/netbsd/kernel/sys/uvm/uvm_fault.c:1061 [inline]
[ 11618.6357788] uvm_fault_internal() at netbsd:uvm_fault_internal+0x3991 syzkaller/managers/netbsd/kernel/sys/uvm/uvm_fault.c:897
[ 11618.9857878] trap() at netbsd:trap+0xb3a syzkaller/managers/netbsd/kernel/sys/arch/amd64/amd64/trap.c:520
[ 11619.0596422] --- trap (number 6) ---
[ 11619.2157866] 73d827c0ae09:
[ 11619.2326133] cpu0: End traceback...
[ 11619.2499290] fatal breakpoint trap in supervisor mode
[ 11619.2725642] trap type 1 code 0 rip 0xffffffff80220a2d cs 0x8 rflags 0x286 cr2 0x73d827e13908 ilevel 0 rsp 0xffffda019e1a76f0
[ 11619.3241493] curlwp 0xffffda00156178c0 pid 16783.16783 lowest kstack 0xffffda019e1a02c0
Stopped in pid 16783.16783 (syz-executor.5) at  netbsd:breakpoint+0x5:  leave
?
breakpoint() at netbsd:breakpoint+0x5
serialport: VM disconnected.