[   6.5890934] panic: kernel debugging assertion "rw_lock_held(&map->lock)" failed: file "/syzkaller/managers/ci2-netbsd-kmsan/kernel/sys/uvm/uvm_map.c", line 1703 
[   6.6027884] cpu0: Begin traceback...
[   6.6190873] vpanic() at netbsd:vpanic+0xc9d
[   6.6690922] kern_assert() at netbsd:kern_assert+0x228
[   6.7190874] uvm_map_lookup_entry() at netbsd:uvm_map_lookup_entry+0x291
[   6.7690884] uvm_unmap_remove() at netbsd:uvm_unmap_remove+0x82e sys/uvm/uvm_map.c:2333
[   6.8290872] uvmspace_free() at netbsd:uvmspace_free+0x39a sys/uvm/uvm_map.c:4425
[   6.8990892] exit1() at netbsd:exit1+0xe1e sys/kern/kern_exit.c:349
[   6.9690919] sys_exit() at netbsd:sys_exit+0x1d6
[   7.0490899] syscall() at netbsd:syscall+0x576 sy_invoke sys/sys/syscallvar.h:94 [inline]
[   7.0490899] syscall() at netbsd:syscall+0x576 sys/arch/x86/x86/syscall.c:137
[   7.0690892] --- syscall (number 1) ---
[   7.0890980] netbsd:syscall+0x576:
[   7.0890980] cpu0: End traceback...
[   7.0890980] fatal breakpoint trap in supervisor mode
[   7.0890980] trap type 1 code 0 rip 0xffffffff80236885 cs 0x8 rflags 0x282 cr2 0xffffc580c77ed000 ilevel 0 rsp 0xffffc580c7801730
[   7.0996782] curlwp 0xffffc580123106c0 pid 200.200 lowest kstack 0xffffc580c77fa2c0
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         ffffc580c7801730
rbx         0
rdx         1
rcx         ffffc580123106c0
rax         ffffc58012378918
--db_more--