[   7.8217204] panic: kernel debugging assertion "rw_lock_held(&map->lock)" failed: file "/syzkaller/managers/ci2-netbsd-kmsan/kernel/sys/uvm/uvm_map.c", line 1703 
[   7.8217204] cpu0: Begin traceback...
[   7.8417064] vpanic() at netbsd:vpanic+0xc9d
[   7.8917116] kern_assert() at netbsd:kern_assert+0x228
[   7.9417051] uvm_map_lookup_entry() at netbsd:uvm_map_lookup_entry+0x291
[   7.9917063] uvm_unmap_remove() at netbsd:uvm_unmap_remove+0x82e sys/uvm/uvm_map.c:2333
[   8.0417102] uvmspace_free() at netbsd:uvmspace_free+0x39a sys/uvm/uvm_map.c:4425
[   8.0917105] exit1() at netbsd:exit1+0xe1e sys/kern/kern_exit.c:349
[   8.1417088] sys_exit() at netbsd:sys_exit+0x1d6
[   8.1917121] syscall() at netbsd:syscall+0x576 sy_invoke sys/sys/syscallvar.h:94 [inline]
[   8.1917121] syscall() at netbsd:syscall+0x576 sys/arch/x86/x86/syscall.c:137
[   8.2017076] --- syscall (number 1) ---
[   8.2217070] netbsd:syscall+0x576:
[   8.2217070] cpu0: End traceback...
[   8.2217070] fatal breakpoint trap in supervisor mode
[   8.2217070] trap type 1 code 0 rip 0xffffffff80236885 cs 0x8 rflags 0x282 cr2 0xfffff700c77ed000 ilevel 0 rsp 0xfffff700c7801730
[   8.2217070] curlwp 0xfffff700123106c0 pid 200.200 lowest kstack 0xfffff700c77fa2c0
Stopped in pid 200.200 (sysctl) at      netbsd:breakpoint+0x5:  leave
breakpoint() at netbsd:breakpoint+0x5
vpanic() at netbsd:vpanic+0xc9d
kern_assert() at netbsd:kern_assert+0x228
uvm_map_lookup_entry() at netbsd:uvm_map_lookup_entry+0x291
uvm_unmap_remove() at netbsd:uvm_unmap_remove+0x82e sys/uvm/uvm_map.c:2333
uvmspace_free() at netbsd:uvmspace_free+0x39a sys/uvm/uvm_map.c:4425
exit1() at netbsd:exit1+0xe1e sys/kern/kern_exit.c:349
sys_exit() at netbsd:sys_exit+0x1d6
syscall() at netbsd:syscall+0x576 sy_invoke sys/sys/syscallvar.h:94 [inline]
syscall() at netbsd:syscall+0x576 sys/arch/x86/x86/syscall.c:137
--- syscall (number 1) ---
netbsd:syscall+0x576:
ds          8918
es          6473
fs          1720
gs          0
rdi         5
rsi         0
rbp         fffff700c7801730
rbx         0
rdx         1
rcx         fffff700123106c0
rax         fffff70012378918
--db_more--