[  58.0043678] panic: cpu1: softints stuck for 16 seconds
[  58.0043678] cpu1: Begin traceback...
[  58.3840544] usb2 at vhci2: USB revision 2.0
[  58.6140937] uhub2 at usb2: NetBSD (0x0000) VHCI root hub (0x0000), class 9/0, rev 2.00/1.00, addr 1
[  58.7040425] vpanic() at [  59.0840556] netbsd:vpanic+0x27a
[  60.0641395] panic() at netbsd:panic+0x9d sys/kern/subr_prf.c:1084
[  61.0540784] heartbeat() at netbsd:heartbeat+0x759 heartbeat_timecounter_suspended sys/kern/kern_heartbeat.c:232 [inline]
[  61.0540784] heartbeat() at netbsd:heartbeat+0x759 sys/kern/kern_heartbeat.c:672
[  61.8741479] hardclock() at netbsd:hardclock+0x182 sys/kern/kern_clock.c:347
[  62.6486689] Xresume_lapic_ltimer() at netbsd:Xresume_lapic_ltimer+0x1e
[  62.9441527] --- interrupt ---
[  63.6040212] _kernel_lock() at netbsd:_kernel_lock+0x477 __SIMPLELOCK_LOCKED_P sys/arch/amd64/compile/obj/GENERIC_SYZKALLER/./x86/lock.h:44 [inline]
[  63.6040212] _kernel_lock() at netbsd:_kernel_lock+0x477 sys/kern/kern_lock.c:268
[  64.4340392] frag6_fasttimo() at netbsd:frag6_fasttimo+0x30 sys/netinet6/frag6.c:662
[  65.2740236] pffasttimo() at netbsd:pffasttimo+0x68 sys/kern/uipc_domain.c:770
[  66.1340192] callout_softclock() at netbsd:callout_softclock+0x1a6 sys/kern/kern_timeout.c:873
[  67.0440325] softint_dispatch() at netbsd:softint_dispatch+0x37a softint_execute sys/kern/kern_softint.c:605 [inline]
[  67.0440325] softint_dispatch() at netbsd:softint_dispatch+0x37a sys/kern/kern_softint.c:848
address 0xffffa0022fcc30b8 is invalid
address 0xffffa0022fcc30b0 is invalid
address 0xffffa0022fcc30c0 is invalid
address 0xffffa0022fcc30b8 is invalid
address 0usbffat 22fic3:c8SBs eviaiid[ address 4x2fffa 2.22fcc30c0 is iuhvba3 ad 
  dre1740040f a0032:cNe0B0 is xn00li [
ad8.e55 04fffVaC0 root30u8 is in0a)i c
  68.2558343] lass 9/0, rev 2.00/1.00, addr 1
[  68.2558343] DDB lost frame for [  68.7939978] netbsd:Xsoftintr+0x57, trying 0xffffa0022fcc2ff0
[  69.3740076] Xsoftintr() at netbsd:Xsoftintr+0x57
[  69.6641511] --- interrupt ---
address 0xffffa0022fcc30c8 is invalid
address 0xffffa0022fcc3080 is invalid
[  69.9540958] 41b58ab3:
[  70.0240608] cpu1: End traceback...
[  70.1441255] fatal breakpoint trap in supervisor mode
[  70.3040431] trap type 1 code 0 rip 0xffffffff8023240d cs 0x8 rflags 0x246 cr2 0 ilevel 0x7 rsp 0xffffa0022fcc28b8
[  70.6040079] curlwp 0xffffa00010cac240 pid 0.26 lowest kstack 0xffffa0022fcbb2c0
Stopped in pid 0.26 (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 ---
_kernel_lock() at netbsd:_kernel_lock+0x477 __SIMPLELOCK_LOCKED_P sys/arch/amd64/compile/obj/GENERIC_SYZKALLER/./x86/lock.h:44 [inline]
_kernel_lock() at netbsd:_kernel_lock+0x477 sys/kern/kern_lock.c:268
frag6_fasttimo() at netbsd:frag6_fasttimo+0x30 sys/netinet6/frag6.c:662
pffasttimo() at netbsd:pffasttimo+0x68 sys/kern/uipc_domain.c:770
callout_softclock() at netbsd:callout_softclock+0x1a6 sys/kern/kern_timeout.c:873
--db_more--