[  36.0066474] panic: cpu1: softints stuck for 16 seconds
[  36.0066474] cpu1: Begin traceback...
[  36.8862997] vpanic() at netbsd:vpanic+0x27a sys/kern/subr_prf.c:288
[  38.0363153] panic() at netbsd:panic+0x9d sys/kern/subr_prf.c:1084
[  38.9863194] heartbeat() at netbsd:heartbeat+0x759 heartbeat_timecounter_suspended sys/kern/kern_heartbeat.c:232 [inline]
[  38.9863194] heartbeat() at netbsd:heartbeat+0x759 sys/kern/kern_heartbeat.c:672
[  39.8363340] hardclock() at netbsd:hardclock+0x182 sys/kern/kern_clock.c:347
[  40.6263391] Xresume_lapic_ltimer() at netbsd:Xresume_lapic_ltimer+0x1e
[  40.9663619] --- interrupt ---
[  41.8064037] trace_cmp() at netbsd:trace_cmp+0x25 sys/kern/subr_kcov.c:627
[  42.7363528] mutex_enter() at netbsd:mutex_enter+0x1f1 sys/kern/kern_mutex.c:535
[  43.7163355] uvm_fault_lower_enter() at netbsd:uvm_fault_lower_enter+0x645 uvm_fault_lower_done sys/uvm/uvm_fault.c:2570 [inline]
[  43.7163355] uvm_fault_lower_enter() at netbsd:uvm_fault_lower_enter+0x645 sys/uvm/uvm_fault.c:2548
[  44.6963564] uvm_fault_internal() at netbsd:uvm_fault_internal+0x1f7e uvm_fault_lower_direct sys/uvm/uvm_fault.c:2302 [inline]
[  44.6963564] uvm_fault_internal() at netbsd:uvm_fault_internal+0x1f7e uvm_fault_lower sys/uvm/uvm_fault.c:1962 [inline]
[  44.6963564] uvm_fault_internal() at netbsd:uvm_fault_internal+0x1f7e sys/uvm/uvm_fault.c:946
[  45.6163953] uvm_fault_wire() at netbsd:uvm_fault_wire+0xaa sys/uvm/uvm_fault.c:2634
[  46.5464001] uvm_map_pageable() at netbsd:uvm_map_pageable+0x494 sys/uvm/uvm_map.c:3575
[  47.5764614] kcov_allocbuf.part.0() at netbsd:kcov_allocbuf.part.0+0x80
[  48.5663763] kcov_remote_register() at netbsd:kcov_remote_rserialport: Connected to syzkaller.us-central1-b.ci2-netbsd-2 port 1 (session ID: 4ca4c45af38921289fbcbce3bb6fb174cf0e25307038964cc7d4a173c1f802b8, active connections: 1).
egister+0xa8
[  49.5963950] vhci_attach() at netbsd:vhci_attach+0x1b7 sys/dev/usb/vhci.c:1281
[  50.5464201] config_attach_pseudo_acquire() at netbsd:config_attach_pseudo_acquire+0x179 sys/kern/subr_autoconf.c:1959
[  51.5564134] config_attach_pseudo() at netbsd:config_attach_pseudo+0x1b sys/kern/subr_autoconf.c:1997
[  52.4363950] vhciattach() at netbsd:vhciattach+0xbb sys/dev/usb/vhci.c:1231
[  53.3164480] config_finalize() at netbsd:config_finalize+0x1c7 sys/kern/subr_autoconf.c:2729
[  54.2464380] main() at netbsd:main+0x6d9 sys/kern/init_main.c:672
[  54.5164814] cpu1: End traceback...
[  54.6364458] fatal breakpoint trap in supervisor mode
[  54.8264376] trap type 1 code 0 rip 0xffffffff8023240d cs 0x8 rflags 0x246 cr2 0 ilevel 0x7 rsp 0xffffffff83886148
[  55.2064521] curlwp 0xffffffff83350980 pid 0.0 lowest kstack 0xffffffff8387f2c0
Stopped in pid 0.0 (system) at  netbsd:breakpoint+0x5:  leave
breakpoint() at netbsd:breakpoint+0x5
db_panic() at netbsd:db_panic+0x105 sys/ddb/db_panic.c:71
vpanic() at netbsd:vpanic+0x27a sys/kern/subr_prf.c:288
panic() at netbsd:panic+0x9d sys/kern/subr_prf.c:1084
heartbeat() at netbsd:heartbeat+0x759 heartbeat_timecounter_suspended sys/kern/kern_heartbeat.c:232 [inline]
heartbeat() at netbsd:heartbeat+0x759 sys/kern/kern_heartbeat.c:672
hardclock() at netbsd:hardclock+0x182 sys/kern/kern_clock.c:347
Xresume_lapic_ltimer() at netbsd:Xresume_lapic_ltimer+0x1e
--- interrupt ---
trace_cmp() at netbsd:trace_cmp+0x25 sys/kern/subr_kcov.c:627
mutex_enter() at netbsd:mutex_enter+0x1f1 sys/kern/kern_mutex.c:535
uvm_fault_lower_enter() at netbsd:uvm_fault_lower_enter+0x645 uvm_fault_lower_done sys/uvm/uvm_fault.c:2570 [inline]
uvm_fault_lower_enter() at netbsd:uvm_fault_lower_enter+0x645 sys/uvm/uvm_fault.c:2548
uvm_fault_internal() at netbsd:uvm_fault_internal+0x1f7e uvm_fault_lower_direct sys/uvm/uvm_fault.c:2302 [inline]
uvm_fault_internal() at netbsd:uvm_fault_internal+0x1f7e uvm_fault_lower sys/uvm/uvm_fault.c:1962 [inline]
uvm_fault_internal() at netbsd:uvm_fault_internal+0x1f7e sys/uvm/uvm_fault.c:946
uvm_fault_wire() at netbsd:uvm_fault_wire+0xaa sys/uvm/uvm_fault.c:2634
uvm_map_pageable() at netbsd:uvm_map_pageable+0x494 sys/uvm/uvm_map.c:3575
kcov_allocbuf.part.0() at netbsd:kcov_allocbuf.part.0+0x80
kcov_remote_register() at netbsd:kcov_remote_register+0xa8 sys/kern/subr_kcov.c:265
vhci_attach() at netbsd:vhci_attach+0x1b7 sys/dev/usb/vhci.c:1281
config_attach_pseudo_acquire() at netbsd:config_attach_pseudo_acquire+0x179 sys/kern/subr_autoconf.c:1959
config_attach_pseudo() at netbsd:config_attach_pseudo+0x1b sys/kern/subr_autoconf.c:1997
vhciattach() at netbsd:vhciattach+0xbb sys/dev/usb/vhci.c:1231
config_finalize() at netbsd:config_finalize+0x1c7 sys/kern/subr_autoconf.c:2729
main() at netbsd:main+0x6d9 sys/kern/init_main.c:672
--db_more--