Hi Mike,
I'm getting core files from vmds. Here's the most recent one. Should I
start collecting more stack traces and sending them to you?
ci-openbsd$ doas /usr/local/bin/egdb /syzkaller/src/usr.sbin/vmd/obj/vmd
/var/crash/vmd/89501.core
Reading symbols from /syzkaller/src/usr.sbin/vmd/obj/vmd...done.
[New process 178128]
[New process 294426]
[New process 350865]
Core was generated by `vmd'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00000c07a64148bd in virtio_shutdown (vm=0xc09e1418000) at
/syzkaller/src/usr.sbin/vmd/virtio.c:2018
2018 vioscsi->file.close(vioscsi->file.p, 0);
[Current thread is 1 (process 178128)]
(gdb) where
#0 0x00000c07a64148bd in virtio_shutdown (vm=0xc09e1418000) at
/syzkaller/src/usr.sbin/vmd/virtio.c:2018
#1 0x00000c07a640cb0a in start_vm (vm=0xc09e1418000, fd=<optimized out>)
at /syzkaller/src/usr.sbin/vmd/vm.c:376
#2 0x00000c07a640c09e in vmm_start_vm (imsg=<optimized out>,
id=0x7f7ffffe75e4, pid=0x7f7ffffe75e0) at
/syzkaller/src/usr.sbin/vmd/vmm.c:686
#3 0x00000c07a640b7eb in vmm_dispatch_parent (fd=<optimized out>,
p=<optimized out>, imsg=0x7f7ffffe7d58) at
/syzkaller/src/usr.sbin/vmd/vmm.c:299
#4 0x00000c07a6408b2f in proc_dispatch (fd=3, event=<optimized out>,
arg=0xc09d0d61000) at /syzkaller/src/usr.sbin/vmd/proc.c:660
#5 0x00000c09f915c64d in event_process_active (base=<optimized out>) at
/usr/src/lib/libevent/event.c:350
#6 event_base_loop (base=0xc0a4b11e800, flags=0) at
/usr/src/lib/libevent/event.c:502
#7 0x00000c07a6409538 in proc_run (ps=0xc0a4b11a000, p=0xc07a6633080
<procs+128>, procs=0xc07a6633160 <procs>, nproc=1,
run=0xc07a640af80 <vmm_run>, arg=0x0) at
/syzkaller/src/usr.sbin/vmd/proc.c:602
#8 0x00000c07a640850b in proc_init (ps=0xc09e1418000, procs=0xc07a6633000
<procs>, nproc=3, debug=-538846004, argc=1258557984, argv=0x0,
proc_id=PROC_VMM) at /syzkaller/src/usr.sbin/vmd/proc.c:260
#9 0x00000c07a6403a1d in main (argc=<optimized out>, argv=0x7f7ffffe8008)
at /syzkaller/src/usr.sbin/vmd/vmd.c:812
Thanks
Greg
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