uvm_fault(0xffffffff82db48e0, 0xfffffd806b46a2e0, 0, 4) -> e kernel: page fault trap, code=11 Stopped at 0xfffffd806b46a2e0: lock std TID PID UID PRFLAGS PFLAGS CPU COMMAND 39510 92272 0 0x8000002 0 1 syz-executor.7 * 62781 31590 0 0x14000 0x200 0K reaper fffffd806b46a2e0(fffffd807e51fdf0,fffffd807e51fdf0,0,fffffd807e51fdf0,293,0) at 0xfffffd806b46a2e0 softclock_process_kclock_timeout(fffffd807e51fdf0,0) at softclock_process_kclock_timeout+0x1cf sys/kern/kern_timeout.c:696 softclock(0) at softclock+0x150 sys/kern/kern_timeout.c:749 softintr_dispatch(0) at softintr_dispatch+0xcd sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x27 Xspllower() at Xspllower+0x1d printf(ffffffff829418cc) at printf+0x88 sys/kern/subr_prf.c:532 uvm_fault_unwire_locked(fffffd806b216540,932ddb9e000,932ddd9d000) at uvm_fault_unwire_locked+0x211 uvm_unmap_kill_entry_withlock(fffffd806b216540,fffffd806b6c2248,0) at uvm_unmap_kill_entry_withlock+0x6b sys/uvm/uvm_map.c:1894 uvm_map_teardown(fffffd806b216540) at uvm_map_teardown+0x1c7 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd806b216540) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2534 uvmspace_free(fffffd806b216540) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3461 reaper(ffff80002a149488) at reaper+0x197 sys/kern/kern_exit.c:463 end trace frame: 0x0, count: 3 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: uvm_fault(0xffffffff82db48e0, 0xfffffd806b46a2e0, 0, 4) -> e ddb{0}> trace fffffd806b46a2e0(fffffd807e51fdf0,fffffd807e51fdf0,0,fffffd807e51fdf0,293,0) at 0xfffffd806b46a2e0 softclock_process_kclock_timeout(fffffd807e51fdf0,0) at softclock_process_kclock_timeout+0x1cf sys/kern/kern_timeout.c:696 softclock(0) at softclock+0x150 sys/kern/kern_timeout.c:749 softintr_dispatch(0) at softintr_dispatch+0xcd sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x27 Xspllower() at Xspllower+0x1d printf(ffffffff829418cc) at printf+0x88 sys/kern/subr_prf.c:532 uvm_fault_unwire_locked(fffffd806b216540,932ddb9e000,932ddd9d000) at uvm_fault_unwire_locked+0x211 uvm_unmap_kill_entry_withlock(fffffd806b216540,fffffd806b6c2248,0) at uvm_unmap_kill_entry_withlock+0x6b sys/uvm/uvm_map.c:1894 uvm_map_teardown(fffffd806b216540) at uvm_map_teardown+0x1c7 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd806b216540) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2534 uvmspace_free(fffffd806b216540) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3461 reaper(ffff80002a149488) at reaper+0x197 sys/kern/kern_exit.c:463 end trace frame: 0x0, count: -12 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80002a1555a0 rbx 0 rdx 0 rcx 0xffff80002a149488 rax 0x9 r8 0x101010101010101 r9 0x8080808080808080 r10 0x2b89d50ffd88b184 r11 0xfffffd806b46a2e0 r12 0 r13 0xffffffff82d1de30 timeout_spinlock_obj r14 0 r15 0xfffffd806b46a2e0 rip 0xfffffd806b46a2e0 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a155558 ss 0x10 0xfffffd806b46a2e0: lock std ddb{0}> show proc PROC (reaper) tid=62781 pid=31590 tcnt=1 stat=onproc flags process=14000 proc=200 runpri=86, usrpri=86, slppri=4, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a1499a8,0xffff80002a149208 process=0xffff80002a15b9b8 user=0xffff80002a150000, vmspace=0xffffffff82d61808 estcpu=36, cpticks=74, pctcpu=8.26, user=0, sys=30, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 8683 250425 57575 0 2 0x8000000 syz-executor.5 8683 7815 57575 0 3 0xc000080 bpf syz-executor.5 70461 50505 1 0 3 0x18100083 ttyin getty 57575 134413 99344 0 2 0x8000482 syz-executor.5 74973 497149 99344 0 2 0x8000482 syz-executor.6 14197 363234 0 0 3 0x14200 acct acct 17625 169136 99344 0 3 0x8000082 wait syz-executor.2 82734 344127 99344 0 2 0x8000482 syz-executor.4 92272 39510 99344 0 7 0x8000002 syz-executor.7 74314 495060 99344 0 2 0x8000002 syz-executor.0 97304 487107 99344 0 3 0x8000082 wait syz-executor.1 96716 111937 99344 0 2 0x8000482 syz-executor.3 79496 436349 0 0 3 0x14200 bored sosplice 99344 116088 44686 0 3 0x1a000082 thrsleep syz-fuzzer 99344 421387 44686 0 3 0x1e000082 thrsleep syz-fuzzer 99344 24983 44686 0 3 0x1e000082 wait syz-fuzzer 99344 243780 44686 0 3 0x1e000082 thrsleep syz-fuzzer 99344 483114 44686 0 3 0x1e000082 thrsleep syz-fuzzer 99344 456434 44686 0 3 0x1e000082 wait syz-fuzzer 99344 423768 44686 0 3 0x1e000082 kqread syz-fuzzer 99344 521004 44686 0 3 0x1e000082 wait syz-fuzzer 99344 365111 44686 0 3 0x1e000082 thrsleep syz-fuzzer 99344 367889 44686 0 3 0x1e000082 wait syz-fuzzer 99344 420607 44686 0 3 0x1e000082 thrsleep syz-fuzzer 99344 344735 44686 0 3 0x1e000082 wait syz-fuzzer 99344 365428 44686 0 3 0x1e000082 thrsleep syz-fuzzer 99344 316613 44686 0 3 0x1e000082 wait syz-fuzzer 99344 344460 44686 0 3 0x1e000082 wait syz-fuzzer 99344 237270 44686 0 3 0x1e000082 wait syz-fuzzer 44686 175673 29731 0 3 0x810008a sigsusp ksh 29731 414993 88409 0 3 0x1800009a kqread sshd 88409 235049 1 0 3 0x18000088 kqread sshd 84376 279182 30492 74 3 0x19100092 bpf pflogd 30492 101676 1 0 3 0x18000080 sbwait pflogd 66978 346127 87010 73 2 0x19100010 syslogd 87010 103830 1 0 3 0x18100082 sbwait syslogd 35436 516417 1 0 3 0x18100080 kqread resolvd 15587 307551 57937 77 3 0x18100092 kqread dhcpleased 9745 31818 57937 77 3 0x18100092 kqread dhcpleased 57937 301642 1 0 3 0x18000080 kqread dhcpleased 73565 131042 0 0 2 0x14200 smr 92200 103649 0 0 2 0x14200 zerothread 54904 121441 0 0 3 0x14200 aiodoned aiodoned 28349 47769 0 0 3 0x14200 syncer update 25649 308875 0 0 3 0x14200 cleaner cleaner *31590 62781 0 0 7 0x14200 reaper 38342 518780 0 0 3 0x14200 pgdaemon pagedaemon 16294 380296 0 0 3 0x14200 bored viomb 28780 197700 0 0 3 0x40014200 acpi0 acpi0 5861 335869 0 0 3 0x40014200 idle1 9409 89153 0 0 3 0x14200 bored softnet3 27890 488460 0 0 3 0x14200 bored softnet2 29128 79385 0 0 3 0x14200 bored softnet1 1666 210394 0 0 3 0x14200 bored softnet0 58824 400493 0 0 3 0x14200 bored systqmp 36933 385863 0 0 3 0x14200 bored systq 94636 157732 0 0 3 0x14200 tmoslp softclockmp 91606 266975 0 0 2 0x40014200 softclock 26835 25477 0 0 3 0x40014200 idle0 1 422282 0 0 3 0x8080082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: shared mutex timeout r = 0 (0xffffffff82d1de30) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 timeout_run+0xbb sys/kern/kern_timeout.c:662 #2 softclock_process_kclock_timeout+0x1cf sys/kern/kern_timeout.c:696 #3 softclock+0x150 sys/kern/kern_timeout.c:749 #4 softintr_dispatch+0xcd sys/arch/amd64/amd64/softintr.c:90 #5 Xsoftclock+0x27 #6 Xspllower+0x1d #7 printf+0x88 sys/kern/subr_prf.c:532 #8 uvm_fault_unwire_locked+0x211 #9 uvm_unmap_kill_entry_withlock+0x6b sys/uvm/uvm_map.c:1894 #10 uvm_map_teardown+0x1c7 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] #10 uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2534 #11 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3461 #12 reaper+0x197 sys/kern/kern_exit.c:463 #13 proc_trampoline+0x10 Process 66978 (syslogd) thread 0xffff8000ffffdc40 (346127) Process 31590 (reaper) thread 0xffff80002a149488 (62781) ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10243 6589K 7730K 166960K 20495 0 pcb 17 16K 18K 166960K 1626 0 rtable 255 9K 10K 166960K 2156 0 pf 41 11K 11K 166960K 346 0 ifaddr 49 17K 18K 166960K 338 0 ifgroup 72 3K 3K 166960K 578 0 sysctl 4 1K 3K 166960K 21 0 counters 72 37K 37K 166960K 360 0 ioctlops 0 0K 4K 166960K 2166 0 iov 0 0K 26K 166960K 843 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1503 94K 95K 166960K 8361 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 166 0 VM map 2 1K 1K 166960K 2 0 sem 15 1K 1K 166960K 20 0 dirhash 12 2K 2K 166960K 90 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 11 37K 85K 166960K 9970 0 sigio 0 0K 0K 166960K 283 0 proc 73 91K 128K 166960K 2682 0 subproc 104 6K 7K 166960K 663 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 2709 0 in_multi 97 7K 7K 166960K 958 0 ether_multi 1 0K 0K 166960K 63 0 mrt 2 0K 0K 166960K 30 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 259 1155K 1155K 166960K 259 0 exec 0 0K 1K 166960K 2350 0 pfkey data 0 0K 0K 166960K 13 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 360 224K 224K 166960K 92329 0 UVM aobj 120 11K 11K 166960K 124 0 pinsyscall 35 70K 108K 166960K 12330 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 1027 0 NDP 16 0K 2K 166960K 261 0 temp 77 6820K 7316K 166960K 245451 0 kqueue 12 18K 30K 166960K 1279 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 24 0 0 1 0 1 1 0 8 0 rtpcb 120 1222 0 1219 8 7 1 3 0 8 0 rtentry 112 699 0 586 4 0 4 4 0 8 0 unpcb 144 9257 0 9242 65 63 2 9 0 8 1 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpqe 32 41 0 41 3 3 0 1 0 8 0 tcpcb 808 4352 0 4347 95 87 8 9 0 8 7 arp 120 135 0 115 1 0 1 1 0 8 0 inpcb 384 14274 0 14261 151 142 9 18 0 8 7 nd6 136 189 0 158 3 1 2 2 0 8 0 pkpcb 40 47 0 47 18 17 1 1 0 8 1 kcovpl 48 50 0 42 1 0 1 1 0 8 0 ppxss 1168 44 0 44 19 18 1 1 0 8 1 pffrag 232 134 0 130 4 3 1 2 0 482 0 pffrnode 88 134 0 130 2 1 1 1 0 8 0 pffrent 40 343 0 339 2 1 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 519 0 442 1 0 1 1 0 8 0 pfstkey 128 519 0 442 3 0 3 3 0 8 0 pfstate 376 519 0 442 12 3 9 9 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 2597 0 2112 46 15 31 33 0 8 0 art_table 32 2598 0 2112 5 1 4 5 0 8 0 art_node 16 683 0 581 1 0 1 1 0 8 0 sysvmsgpl 40 14 0 7 1 0 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 14 0 1 1 0 1 1 0 8 0 shmpl 112 121 0 4 4 0 4 4 0 8 0 dirhash 1024 69 0 52 3 0 3 3 0 8 0 dino2pl 256 18037 0 16441 101 0 101 101 0 8 0 ffsino 272 18037 0 16441 108 1 107 107 0 8 0 nchpl 144 32715 0 30980 67 0 67 67 0 8 0 uvmvnodes 80 9954 0 0 204 0 204 204 0 8 0 vnodes 216 9954 0 0 553 0 553 553 0 8 0 namei 1024 118071 0 118071 9 8 1 2 0 8 1 percpumem 16 194 0 144 1 0 1 1 0 8 0 vcpupl 3904 31 0 2 4 0 4 4 0 8 0 vmpool 696 53 0 24 5 2 3 3 0 8 0 kstatmem 264 320 0 288 3 0 3 3 0 8 0 scsiplug 72 19 0 19 10 10 0 1 0 8 0 scxspl 216 132677 0 132677 45 42 3 8 1 8 3 plimitpl 152 1864 0 1847 1 0 1 1 0 8 0 sigapl 424 10249 0 10198 10 4 6 9 0 8 0 futexpl 64 139487 0 139487 10 9 1 1 0 8 1 knotepl 120 907 0 0 19 0 19 19 0 8 0 kqueuepl 216 2572 0 2564 12 11 1 5 0 8 0 pipepl 320 1630 0 1602 30 27 3 8 0 8 0 fdescpl 496 10197 0 10173 10 5 5 5 0 8 0 filepl 152 78090 0 77848 98 85 13 20 0 8 0 lockfpl 104 3815 0 3812 4 3 1 4 0 8 0 lockfspl 48 1332 0 1329 1 0 1 1 0 8 0 sessionpl 144 80 0 63 1 0 1 1 0 8 0 pgrppl 48 312 0 295 1 0 1 1 0 8 0 ucredpl 104 13616 0 13601 1 0 1 1 0 8 0 zombiepl 144 10205 0 10198 1 0 1 1 0 8 0 processpl 1136 10249 0 10198 6 1 5 6 0 8 0 procpl 656 23989 0 23908 13 6 7 9 0 8 0 srpgc 96 44 0 44 13 13 0 1 0 8 0 sosppl 168 136 0 136 18 18 0 1 0 8 0 sockpl 664 24917 0 24890 191 181 10 22 0 8 7 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 12 0 0 2 0 2 2 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 683 0 0 49 16 33 49 0 8 1 mtagpl 96 87 0 0 2 0 2 2 0 8 0 mbufpl 256 3116 0 0 170 0 170 170 0 8 0 bufpl 280 24938 0 14820 723 0 723 723 0 8 0 anonpl 24 1201908 0 1190230 227 142 85 117 0 186 13 amapchunkpl 152 309738 0 308661 170 128 42 61 0 158 0 amappl16 200 25140 0 24995 140 119 21 33 0 8 7 amappl15 192 13 0 13 2 2 0 1 0 8 0 amappl14 184 325 0 311 2 1 1 2 0 8 0 amappl13 176 17 0 15 1 0 1 1 0 8 0 amappl12 168 11534 0 11499 3 0 3 3 0 8 0 amappl11 160 61 0 47 1 0 1 1 0 8 0 amappl10 152 94 0 82 1 0 1 1 0 8 0 amappl9 144 367 0 367 2 2 0 1 0 8 0 amappl8 136 310 0 267 3 0 3 3 0 8 0 amappl7 128 81 0 63 1 0 1 1 0 8 0 amappl6 120 1036 0 1016 2 0 2 2 0 8 0 amappl5 112 417 0 402 1 0 1 1 0 8 0 amappl4 104 1027 0 982 3 1 2 3 0 8 0 amappl3 96 55953 0 55838 4 1 3 3 0 8 0 amappl2 88 10772 0 10693 5 3 2 5 0 8 0 amappl1 80 42631 0 42080 23 10 13 23 0 8 0 amappl 88 90818 0 90574 6 0 6 6 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 123 0 4 3 0 3 3 0 8 0 uaddrrnd 24 10252 0 10193 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 10252 0 10193 1 0 1 1 0 8 0 vmmpekpl 168 73957 0 73880 4 0 4 4 0 8 0 vmmpepl 168 607839 0 605669 242 134 108 121 0 357 5 vmsppl 440 10251 0 10192 7 0 7 7 0 8 0 rwobjpl 56 149428 0 138089 191 28 163 164 0 8 3 pdppl 4096 20511 0 20413 348 250 98 99 0 8 0 pvpl 32 49168 0 0 399 2 397 397 0 265 0 pmappl 248 10251 0 10192 4 0 4 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 958 0 398 17 0 17 17 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace fffffd806b46a2e0(fffffd807e51fdf0,fffffd807e51fdf0,0,fffffd807e51fdf0,293,0) at 0xfffffd806b46a2e0 softclock_process_kclock_timeout(fffffd807e51fdf0,0) at softclock_process_kclock_timeout+0x1cf sys/kern/kern_timeout.c:696 softclock(0) at softclock+0x150 sys/kern/kern_timeout.c:749 softintr_dispatch(0) at softintr_dispatch+0xcd sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x27 Xspllower() at Xspllower+0x1d printf(ffffffff829418cc) at printf+0x88 sys/kern/subr_prf.c:532 uvm_fault_unwire_locked(fffffd806b216540,932ddb9e000,932ddd9d000) at uvm_fault_unwire_locked+0x211 uvm_unmap_kill_entry_withlock(fffffd806b216540,fffffd806b6c2248,0) at uvm_unmap_kill_entry_withlock+0x6b sys/uvm/uvm_map.c:1894 uvm_map_teardown(fffffd806b216540) at uvm_map_teardown+0x1c7 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd806b216540) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2534 uvmspace_free(fffffd806b216540) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3461 reaper(ffff80002a149488) at reaper+0x197 sys/kern/kern_exit.c:463 end trace frame: 0x0, count: -12 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:589 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:158 __mp_lock(ffffffff82e700b0) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82e700b0) at __mp_lock+0x133 sys/kern/kern_lock.c:147 syscall(ffff800037404af0) at syscall+0x83b mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff800037404af0) at syscall+0x83b sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x79d96b6b3840, count: 8 ddb{1}> trace x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:589 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:158 __mp_lock(ffffffff82e700b0) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82e700b0) at __mp_lock+0x133 sys/kern/kern_lock.c:147 syscall(ffff800037404af0) at syscall+0x83b mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff800037404af0) at syscall+0x83b sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x79d96b6b3840, count: -7