login: panic: kernel diagnostic assertion "dupe == NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 144 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *169759 22267 0 0 0 0 syz-executor 156139 83723 0 0 0 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830e1b4d) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff83095bc7,ffffffff8303c1b4,90,ffffffff8309c0cb) at __assert+0x29 uvm_pagealloc_pg(fffffd800732d780,fffffd8069915328,5a3e30000,0) at uvm_pagealloc_pg+0x521 sys/uvm/uvm_page.c:695 uvm_pagealloc(fffffd8069915328,5a3e30000,0,3) at uvm_pagealloc+0x23e sys/uvm/uvm_page.c:912 pmap_get_ptp(fffffd80699152f8,b47c6073000) at pmap_get_ptp+0x1c6 pmap_enter(fffffd80699152f8,b47c6073000,72b3a000,3,22) at pmap_enter+0x389 uvm_fault_upper(ffff80002a0c48f0,ffff80002a0c4928,ffff80002a0c47f0,0) at uvm_fault_upper+0x376 sys/uvm/uvm_fault.c:1056 uvm_fault(fffffd8078692538,b47c6073000,0,2) at uvm_fault+0x1b2 sys/uvm/uvm_fault.c:608 upageflttrap(ffff80002a0c4a70,b47c6073028) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002a0c4a70) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x717e7a2c8540, 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: kernel diagnostic assertion "dupe == NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 144 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830e1b4d) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff83095bc7,ffffffff8303c1b4,90,ffffffff8309c0cb) at __assert+0x29 uvm_pagealloc_pg(fffffd800732d780,fffffd8069915328,5a3e30000,0) at uvm_pagealloc_pg+0x521 sys/uvm/uvm_page.c:695 uvm_pagealloc(fffffd8069915328,5a3e30000,0,3) at uvm_pagealloc+0x23e sys/uvm/uvm_page.c:912 pmap_get_ptp(fffffd80699152f8,b47c6073000) at pmap_get_ptp+0x1c6 pmap_enter(fffffd80699152f8,b47c6073000,72b3a000,3,22) at pmap_enter+0x389 uvm_fault_upper(ffff80002a0c48f0,ffff80002a0c4928,ffff80002a0c47f0,0) at uvm_fault_upper+0x376 sys/uvm/uvm_fault.c:1056 uvm_fault(fffffd8078692538,b47c6073000,0,2) at uvm_fault+0x1b2 sys/uvm/uvm_fault.c:608 upageflttrap(ffff80002a0c4a70,b47c6073028) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002a0c4a70) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x717e7a2c8540, count: -12 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a0c4420 rbx 0xffffffff83487d87 cpu_info_full_primary+0x2d87 rdx 0 rcx 0xffff8000ffffccb8 rax 0xffffffff83486ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xeaafe1556b2b65b4 r11 0xa51916766a073744 r12 0xffffffff83487b88 cpu_info_full_primary+0x2b88 r13 0 r14 0 r15 0x1 rip 0xffffffff819facd5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a0c4410 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=169759 pid=22267 tcnt=3 stat=onproc flags process=0 proc=0 runpri=32, usrpri=85, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a1647e8,0xffff80002a165c38 process=0xffff8000ffff71f0 user=0xffff80002a0bf000, vmspace=0xfffffd8078692538 estcpu=35, cpticks=1, pctcpu=0.2, user=2, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 15626 234885 97596 0 2 0 syz-executor 15626 135433 97596 0 2 0x4000000 syz-executor 50453 301484 59784 0 2 0x480 syz-executor 50453 171865 59784 0 3 0x4000080 sbwait syz-executor 50453 74409 59784 0 3 0x4000080 fsleep syz-executor 14404 252944 66917 0 2 0x480 syz-executor 14404 147675 66917 0 3 0x4000080 ttyout syz-executor 14404 182002 66917 0 3 0x4000080 ttyout syz-executor 14404 231423 66917 0 3 0x4000080 fsleep syz-executor *22267 169759 53790 0 7 0 syz-executor 22267 474591 53790 0 3 0x4000080 kqsel syz-executor 22267 442133 53790 0 3 0x4000080 fsleep syz-executor 65653 44886 81211 0 2 0x480 syz-executor 65653 453447 81211 0 3 0x4000080 netacc syz-executor 65653 235273 81211 0 3 0x4000080 vgalk syz-executor 65653 112943 81211 0 3 0x4000080 fsleep syz-executor 83723 156139 81701 0 7 0 syz-executor 83723 83958 81701 0 3 0x4000080 fsleep syz-executor 83723 4684 81701 0 3 0x4000080 fsleep syz-executor 83723 497784 81701 0 3 0x4000080 fsleep syz-executor 74705 286786 54533 0 2 0x480 syz-executor 74705 217383 54533 0 3 0x4000080 kqsel syz-executor 74705 64930 54533 0 3 0x4000080 fsleep syz-executor 68404 253782 1 0 3 0x100083 ttyin getty 59784 325239 86820 0 2 0x2 syz-executor 66917 463067 86820 0 2 0x482 syz-executor 53790 188972 86820 0 2 0x482 syz-executor 81211 129393 86820 0 2 0x482 syz-executor 97596 439909 86820 0 2 0x482 syz-executor 94288 172164 86820 0 3 0x2 biowait syz-executor 54533 384234 86820 0 2 0x2 syz-executor 81701 294517 86820 0 2 0x482 syz-executor 24781 41783 0 0 3 0x14200 bored sosplice 86820 8539 96170 0 3 0x82 kqread syz-executor 96170 281845 49832 0 3 0x10008a sigsusp ksh 49832 153532 59681 0 3 0x98 kqread sshd-session 59681 328012 69947 0 3 0x92 kqread sshd-session 69947 255795 1 0 3 0x88 kqread sshd 21505 219989 3882 74 3 0x1100092 bpf pflogd 3882 125490 1 0 3 0x80 sbwait pflogd 12021 296061 67228 73 3 0x1100090 kqread syslogd 67228 348545 1 0 3 0x100082 sbwait syslogd 64665 203423 1 0 3 0x100080 kqread resolvd 63917 496081 42124 77 3 0x100092 kqread dhcpleased 6842 262562 42124 77 3 0x100092 kqread dhcpleased 42124 116430 1 0 3 0x80 kqread dhcpleased 76279 135571 0 0 3 0x14200 bored smr 29298 23215 0 0 3 0x14200 pgzero zerothread 58482 403430 0 0 3 0x14200 aiodoned aiodoned 60006 284836 0 0 2 0x14600 update 14176 77544 0 0 3 0x14200 cleaner cleaner 43651 191454 0 0 3 0x14200 reaper reaper 55580 76392 0 0 3 0x14200 pgdaemon pagedaemon 7117 522156 0 0 3 0x14200 bored viomb 24564 409914 0 0 3 0x40014200 acpi0 acpi0 25355 473762 0 0 3 0x40014200 idle1 34964 10969 0 0 3 0x14200 bored softnet3 45619 162795 0 0 3 0x14200 bored softnet2 85910 119762 0 0 3 0x14200 bored softnet1 43998 92831 0 0 3 0x14200 bored softnet0 6817 83808 0 0 2 0x14200 systqmp 90398 101389 0 0 3 0x14200 bored systq 7147 441404 0 0 3 0x14200 tmoslp softclockmp 81275 24767 0 0 3 0x40014200 tmoslp softclock 25527 280752 0 0 3 0x40014200 idle0 1 351044 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd8069915308) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 pmap_enter+0x246 rcr3 machine/cpufunc.h:139 [inline] #3 pmap_enter+0x246 pmap_map_ptes sys/arch/amd64/amd64/pmap.c:430 [inline] #3 pmap_enter+0x246 sys/arch/amd64/amd64/pmap.c:2756 #4 uvm_fault_upper+0x376 sys/uvm/uvm_fault.c:1056 #5 uvm_fault+0x1b2 sys/uvm/uvm_fault.c:608 #6 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #7 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #8 recall_trap+0x8 Process 22267 (syz-executor) thread 0xffff8000ffffccb8 (169759) Process 94288 (syz-executor) thread 0xffff80002a1662b8 (172164) ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10240 10190K 10673K 166960K 16304 0 pcb 19 16K 18K 166960K 794 0 rtable 191 14K 16K 166960K 4181 0 pf 43 19K 83K 166960K 456 0 ifaddr 40 8K 9K 166960K 562 0 ifgroup 67 2K 3K 166960K 666 0 sysctl 3 0K 4K 166960K 16 0 counters 70 37K 37K 166960K 390 0 ioctlops 0 0K 8K 166960K 1875 0 iov 0 0K 32K 166960K 193 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1659 104K 104K 166960K 6202 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 41 0 VM map 2 1K 1K 166960K 2 0 sem 21 10K 10K 166960K 36 0 dirhash 15 2K 3K 166960K 54 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 17 61K 97K 166960K 4316 0 sigio 0 0K 0K 166960K 41 0 proc 70 91K 140K 166960K 3928 0 subproc 104 6K 7K 166960K 1573 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 387 0 in_multi 71 5K 7K 166960K 1431 0 ether_multi 2 0K 0K 166960K 38 0 mrt 3 0K 0K 166960K 9 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 271 1208K 1208K 166960K 271 0 exec 0 0K 1K 166960K 2286 0 pfkey data 0 0K 0K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 265 87K 101K 166960K 35998 0 UVM aobj 131 6K 6K 166960K 137 0 pinsyscall 42 84K 110K 166960K 8321 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 232 0 NDP 15 0K 2K 166960K 416 0 temp 77 6824K 6956K 166960K 124649 0 kqueue 14 22K 31K 166960K 456 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 120 624 0 617 6 5 1 3 0 8 0 rtentry 112 1470 0 1389 5 2 3 4 0 8 0 unpcb 144 3395 0 3374 32 26 6 6 0 8 4 syncache 336 3 0 3 2 2 0 1 0 8 0 tcpcb 808 1532 0 1526 58 53 5 11 0 8 4 arp 120 264 0 247 1 0 1 1 0 8 0 ipq 40 7 0 2 1 0 1 1 0 8 0 ipqe 40 93 0 88 1 0 1 1 0 8 0 inpcb 336 5019 0 5004 64 56 8 12 0 8 5 nd6 136 386 0 367 1 0 1 1 0 8 0 pkpcb 40 17 0 17 9 8 1 1 0 8 1 kcovpl 48 121 0 113 1 0 1 1 0 8 0 ppxss 1168 30 0 30 13 12 1 1 0 8 1 pfstscr 40 3 0 3 1 1 0 1 0 8 0 pffrag 232 6 0 6 1 1 0 1 0 482 0 pffrnode 88 6 0 6 1 1 0 1 0 8 0 pffrent 40 52 0 52 1 1 0 1 0 8 0 pfosfp 40 1429 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1429 0 714 21 0 21 21 0 8 0 pfrktable 1344 3 0 3 1 1 0 1 0 8 0 pftag 88 4 0 2 1 0 1 1 0 8 0 pfqueue 264 1 0 1 1 1 0 1 0 8 0 pfstitem 24 167 0 165 1 0 1 1 0 8 0 pfstkey 128 173 0 171 3 2 1 3 0 8 0 pfstate 376 170 0 168 9 8 1 8 0 8 0 pfrule 1344 24 0 19 2 1 1 2 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 5645 0 5307 49 20 29 30 0 8 3 art_table 32 5648 0 5307 5 1 4 4 0 8 0 art_node 16 1429 0 1355 1 0 1 1 0 8 0 sysvmsgpl 40 16 0 7 1 0 1 1 0 8 0 semupl 112 2 0 2 2 2 0 1 0 8 0 semapl 112 32 0 13 1 0 1 1 0 8 0 shmpl 112 134 0 6 4 0 4 4 0 8 0 dirhash 1024 45 0 26 3 0 3 3 0 8 0 dino2pl 256 6874 0 5142 109 0 109 109 0 8 0 ffsino 272 6874 0 5142 116 0 116 116 0 8 0 nchpl 144 10967 0 10207 68 38 30 68 0 8 0 uvmvnodes 80 8974 0 0 184 0 184 184 0 8 0 vnodes 216 8974 0 0 499 0 499 499 0 8 0 namei 1024 52390 0 52389 8 7 1 2 0 8 0 percpumem 16 209 0 160 1 0 1 1 0 8 0 vcpupl 3904 8 0 2 1 0 1 1 0 8 0 vmpool 696 14 0 8 1 0 1 1 0 8 0 kstatmem 264 350 0 320 4 1 3 3 0 8 0 scsiplug 72 11 0 11 6 5 1 1 0 8 1 scxspl 216 86859 0 86858 28 25 3 8 1 8 2 plimitpl 152 1214 0 1194 1 0 1 1 0 8 0 sigapl 424 4398 0 4348 8 1 7 7 0 8 0 futexpl 64 45015 0 45007 13 12 1 1 0 8 0 knotepl 120 754 0 0 19 1 18 18 0 8 0 kqueuepl 216 843 0 829 8 5 3 3 0 8 2 pipepl 320 855 0 828 19 16 3 8 0 8 0 fdescpl 496 4376 0 4345 7 2 5 6 0 8 0 filepl 152 30985 0 30719 88 69 19 22 0 8 7 lockfpl 104 1701 0 1698 5 3 2 2 0 8 1 lockfspl 48 624 0 621 1 0 1 1 0 8 0 sessionpl 144 140 0 131 1 0 1 1 0 8 0 pgrppl 48 308 0 290 1 0 1 1 0 8 0 ucredpl 104 5306 0 5292 1 0 1 1 0 8 0 zombiepl 144 4348 0 4348 2 1 1 1 0 8 1 processpl 1160 4398 0 4348 6 2 4 5 0 8 0 procpl 648 8870 0 8804 11 4 7 7 0 8 0 srpgc 96 23 0 23 8 7 1 1 0 8 1 sosppl 168 21 0 21 6 5 1 1 0 8 1 sockpl 664 9165 0 9124 102 89 13 19 0 8 8 mcl64k 65536 6 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 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 7 0 0 1 0 1 1 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 342 0 0 33 3 30 33 0 8 0 mtagpl 96 11 0 0 1 0 1 1 0 8 0 mbufpl 256 5729 0 0 357 0 357 357 0 8 0 bufpl 280 16033 0 7057 642 0 642 642 0 8 0 anonpl 24 640819 0 631888 127 73 54 80 0 185 0 amapchunkpl 152 117479 0 116641 70 37 33 43 0 158 0 amappl16 200 12140 0 12105 110 97 13 17 0 8 8 amappl15 192 16 0 16 1 1 0 1 0 8 0 amappl14 184 357 0 344 1 0 1 1 0 8 0 amappl13 176 9 0 9 1 1 0 1 0 8 0 amappl12 168 6807 0 6776 4 2 2 3 0 8 0 amappl11 160 75 0 61 1 0 1 1 0 8 0 amappl10 152 13 0 12 1 0 1 1 0 8 0 amappl9 144 138 0 138 1 1 0 1 0 8 0 amappl8 136 30 0 26 1 0 1 1 0 8 0 amappl7 128 346 0 333 1 0 1 1 0 8 0 amappl6 120 1317 0 1315 1 0 1 1 0 8 0 amappl5 112 586 0 574 1 0 1 1 0 8 0 amappl4 104 670 0 649 1 0 1 1 0 8 0 amappl3 96 23029 0 22898 5 1 4 4 0 8 0 amappl2 88 2213 0 2146 2 0 2 2 0 8 0 amappl1 80 27295 0 26707 19 6 13 15 0 8 0 amappl 88 34605 0 34409 7 2 5 5 0 92 0 dma65536 65536 1 0 1 1 0 1 1 0 8 1 dma32768 32768 3 0 3 2 2 0 1 0 8 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 7 0 7 2 2 0 1 0 8 0 dma128 128 255 0 255 3 3 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 72 136 0 6 3 0 3 3 0 8 0 uaddrrnd 24 4390 0 4353 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 4390 0 4353 1 0 1 1 0 8 0 vmmpekpl 168 36968 0 36916 4 0 4 4 0 8 0 vmmpepl 168 270002 0 268058 164 67 97 98 0 357 8 vmsppl 440 4389 0 4353 7 2 5 5 0 8 0 rwobjpl 56 83031 0 72934 153 7 146 146 0 8 2 pdppl 4096 8787 0 8712 256 179 77 87 0 8 2 pvpl 32 45933 0 0 370 0 370 370 0 265 0 pmappl 248 4389 0 4353 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1082 0 337 22 0 22 22 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830e1b4d) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff83095bc7,ffffffff8303c1b4,90,ffffffff8309c0cb) at __assert+0x29 uvm_pagealloc_pg(fffffd800732d780,fffffd8069915328,5a3e30000,0) at uvm_pagealloc_pg+0x521 sys/uvm/uvm_page.c:695 uvm_pagealloc(fffffd8069915328,5a3e30000,0,3) at uvm_pagealloc+0x23e sys/uvm/uvm_page.c:912 pmap_get_ptp(fffffd80699152f8,b47c6073000) at pmap_get_ptp+0x1c6 pmap_enter(fffffd80699152f8,b47c6073000,72b3a000,3,22) at pmap_enter+0x389 uvm_fault_upper(ffff80002a0c48f0,ffff80002a0c4928,ffff80002a0c47f0,0) at uvm_fault_upper+0x376 sys/uvm/uvm_fault.c:1056 uvm_fault(fffffd8078692538,b47c6073000,0,2) at uvm_fault+0x1b2 sys/uvm/uvm_fault.c:608 upageflttrap(ffff80002a0c4a70,b47c6073028) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002a0c4a70) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x717e7a2c8540, count: -12 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff836066f8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff836066f8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002a146ea0) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a146ea0) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x760eae0c3460, count: 9 ddb{1}> trace x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff836066f8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff836066f8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002a146ea0) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a146ea0) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x760eae0c3460, count: -6