[  23.0089153] panic: cpu0: softints stuck for 16 seconds
[  23.0089153] cpu0: Begin traceback...
[  23.0089153] vpanic() at netbsd:vpanic+0x2f0 sys/kern/subr_prf.c:288
[  23.0089153] panic() at netbsd:panic+0x49 sys/kern/subr_prf.c:1116
[  23.0089153] heartbeat() at netbsd:heartbeat+0x7c3 select_patient sys/kern/kern_heartbeat.c:549 [inline]
[  23.0089153] heartbeat() at netbsd:heartbeat+0x7c3 sys/kern/kern_heartbeat.c:706
[  23.0089153] hardclock() at netbsd:hardclock+0x1d9 sys/kern/kern_clock.c:348
[  23.0089153] Xresume_lapic_ltimer() at netbsd:Xresume_lapic_ltimer+0x1e
[  23.0089153] --- interrupt ---
[  23.0089153] _kernel_lock() at netbsd:_kernel_lock+0x46d __SIMPLELOCK_LOCKED_P sys/arch/amd64/compile/obj/GENERIC_SYZKALLER/./x86/lock.h:44 [inline]
[  23.0089153] _kernel_lock() at netbsd:_kernel_lock+0x46d sys/kern/kern_lock.c:268
[  23.0089153] ip_slowtimo() at netbsd:ip_slowtimo+0x1f sys/netinet/ip_input.c:828
[  23.0089153] pfslowtimo() at netbsd:pfslowtimo+0xc6 sys/kern/uipc_domain.c:754
[  23.0089153] callout_softclock() at netbsd:callout_softclock+0x2ab sys/kern/kern_timeout.c:873
[  23.0089153] softint_dispatch() at netbsd:softint_dispatch+0x40a softint_execute sys/kern/kern_softint.c:605 [inline]
[  23.0089153] softint_dispatch() at netbsd:softint_dispatch+0x40a sys/kern/kern_softint.c:848
[  23.0089153] DDB lost frame for netbsd:Xsoftintr+0x4c, trying 0xffff94022fa320f0
[  23.0089153] Xsoftintr() at netbsd:Xsoftintr+0x4c
[  23.0089153] --- interrupt ---
[  23.0089153] 0:
[  23.0089153] cpu0: End traceback...
[  23.0089153] fatal breakpoint trap in supervisor mode
[  23.0089153] trap type 1 code 0 rip 0xffffffff80235475 cs 0x8 rflags 0x246 cr2 0 ilevel 0x7 rsp 0xffff94022fa31c18
[  23.0089153] curlwp 0xffff8ec839bc2080 pid 0.5 lowest kstack 0xffff94022fa2d2c0
Stopped in pid 0.5 (system) at  netbsd:breakpoint+0x5:  leave
breakpoint() at netbsd:breakpoint+0x5
db_panic() at netbsd:db_panic+0xec sys/ddb/db_panic.c:71
vpanic() at netbsd:vpanic+0x2f0 sys/kern/subr_prf.c:288
panic() at netbsd:panic+0x49 sys/kern/subr_prf.c:1116
heartbeat() at netbsd:heartbeat+0x7c3 select_patient sys/kern/kern_heartbeat.c:549 [inline]
heartbeat() at netbsd:heartbeat+0x7c3 sys/kern/kern_heartbeat.c:706
hardclock() at netbsd:hardclock+0x1d9 sys/kern/kern_clock.c:348
Xresume_lapic_ltimer() at netbsd:Xresume_lapic_ltimer+0x1e
--- interrupt ---
_kernel_lock() at netbsd:_kernel_lock+0x46d __SIMPLELOCK_LOCKED_P sys/arch/amd64/compile/obj/GENERIC_SYZKALLER/./x86/lock.h:44 [inline]
_kernel_lock() at netbsd:_kernel_lock+0x46d sys/kern/kern_lock.c:268
ip_slowtimo() at netbsd:ip_slowtimo+0x1f sys/netinet/ip_input.c:828
pfslowtimo() at netbsd:pfslowtimo+0xc6 sys/kern/uipc_domain.c:754
callout_softclock() at netbsd:callout_softclock+0x2ab sys/kern/kern_timeout.c:873
softint_dispatch() at netbsd:softint_dispatch+0x40a softint_execute sys/kern/kern_softint.c:605 [inline]
softint_dispatch() at netbsd:softint_dispatch+0x40a sys/kern/kern_softint.c:848
DDB lost frame for netbsd:Xsoftintr+0x4c, trying 0xffff94022fa320f0
Xsoftintr() at netbsd:Xsoftintr+0x4c
--- interrupt ---
0:
ds          1bd8
es          1c28
fs          10
gs          3b34
rdi         0
--db_more--